01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
(1) Chemicals for use in industry; chemicals for use in mining; chemicals used in the manufacture of paper and wood pulp; chemicals for processing animal hides and furs; tanning agents for use in the manufacture of leather; chemicals for use in the manufacture of dyestuffs; chemicals for purification of industrial metals; chemicals used as sulfidizing agent to treat oxide ores; sodium hydrosulfides; sodium sulfides; sulfides
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
Chemicals for use in industry; chemicals for use in mining; chemicals used in the manufacture of paper and wood pulp; Chemicals for processing animal hides and furs; Tanning agents for use in the manufacture of leather; chemicals for use in the manufacture of dyestuffs; Chemicals for purification of industrial metals; Chemicals used as sulfidizing agent to treat oxide ores; sodium hydrosulfides; sodium sulfides; sulfides
A process for recovering a first mineral comprising the steps of: (a) providing a pulp comprising solids and water, wherein the solids comprise the first mineral; (b) adding a first depressant to the pulp; (c) subjecting the pulp to a froth flotation process to produce a froth comprising the first mineral; and (d) recovering the froth; characterized in that the first mineral is a sulfide mineral, and the first depressant consists of one or more dithiocarbamic acids or salts thereof of formula (I). A composition comprising the first depressant, and further comprising one, two or three of a collector, a second depressant and a mineral. The use of a dithiocarbamic acid or salt thereof of formula (I). The dithiocarbamic acid or salt thereof of formula (I) which is 3-ammo-1,2-propanediol dithiocarbamic acid or a salt thereof, 2-amino-2-methyl-1,3,-propanediol dithiocarbamic acid or a salt thereof, or N-phenylethylenediamine dithiocarbamic acid or a salt thereof.
Methods for removing a soluble heavy metal-sulfur complex from a process solution comprise contacting the process solution with an oxidant to oxidize the heavy metal-sulfur complex and form an oxidized complex precipitate, or with an acid to acidify the heavy metal-sulfur complex and form an acidified complex precipitate, and removing the precipitate from the process solution to provide a heavy metal-reduced solution. The method is advantageous for removing heavy metals such as mercury, cadmium, barium, iron, vanadium and/or manganese from process solutions, for example originating from natural gas production, petroleum production, water treatment or mining.
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
Fertilizers; Chemicals for use in agriculture, horticulture and forestry except fungicides, herbicides, insecticides and parasiticides; Plant growth nutrients; Soil additives; Soil amendments; Soil conditioners for agricultural and horticultural use; Soil improving preparations; Soil wetting agents and soil penetrants; Organic fertilizers
01 - Chemical and biological materials for industrial, scientific and agricultural use
37 - Construction and mining; installation and repair services
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
Chemicals for use in industry; chemicals for use in mining;
chemicals for the treatment of water, wastewater and gas;
chemicals for remediation, namely, soil remediation,
drinking water treatment, and for use as a remediation agent
by accelerating the decomposition of organic material;
chemicals for purification of industrial metals; chemicals
used in the manufacture of paper and wood pulp; chemical
additives for use in the manufacture of a wide variety of
goods; chemical additives for use in the manufacture and
processing of food; chemicals for processing animal hides
and furs; tanning agents for use in the manufacture of
leather; chemical agents for impregnating, binding or
coating of textiles, furs and leather, non-wovens and
fabrics. Consulting services for the construction of plants and
facilities in the fields of mining, oil and gas production
and treatment, water treatment and purification, solid waste
treatment and other municipal infrastructure facilities;
consulting services in the field of mining extraction;
technical consulting services regarding the installation of
equipment, control systems, and machinery in the fields of
mining, oil and gas production and treatment, water
treatment and purification, solid waste treatment,
environmental remediation, paper and wood pulp
manufacturing, textile manufacturing, and leather tanning;
consulting services in the field of offshore oil and gas
facility construction. Technical consulting services regarding the manufacturing of
equipment, control systems, and machinery in the fields of
mining, oil and gas production and processing; consulting
services in the field of water treatment; consulting
services in the field of wastewater treatment; consulting
services in the field of food processing and treatment;
consulting services in the field of processing animal hides
and leather; consulting services in the field of industrial
toxic waste treatment; providing information relating to
material treatment; custom additive manufacturing for
others; custom additive manufacturing in the mining, water,
wastewater and gas treatment, pharmaceuticals and household
chemicals industries; technical consulting services
regarding the manufacture of equipment, control systems, and
machinery in the fields of mining, oil and gas production
and treatment, water treatment and purification, solid waste
treatment, environmental remediation, paper and wood pulp
manufacturing, textile manufacturing, and leather tanning. Engineering; testing of products, reactants, process
parameters, and equipment in the fields of chemistry,
chemical processes, industrial processes, mining, oil and
gas production and treatment and storage, water treatment,
wastewater treatment, solid waste treatment and hazardous
materials management; technical consultation in the field of
environmental science, engineering services and design for
others in the field of environmental engineering; chemistry
consultation; custom design and engineering of mining and
industrial chemical treatment and holding structures;
consulting services in the field of design and development
of engineering processes; consultation in the field of
auxiliary design for oil and gas industrial machines;
environmental services, namely, technical consultation in
the field of environmental science, engineering services and
design for others in the field of environmental engineering;
consulting services in the field of industrial engineering;
technical consulting in the field of environmental
engineering; scientific consulting services relating to
hazardous materials management; research and development,
and consultation related thereto in the field of mining
extraction; research and development and consultation
related thereto in the fields of chemistry relating to
manufacture, chemical processes related to manufacturing,
industrial processes related to manufacturing, mining, oil
and gas production and treatment, water treatment,
wastewater treatment, solid waste treatment, environmental
remediation in the field of hazardous materials management
and regarding the treatment of soil, waste, and waste water,
paper and wood pulp manufacturing regarding chemical
process, textile manufacturing regarding chemical process,
and leather tanning regarding chemical process, and
hazardous materials management, namely, decontamination and
detoxification.
13.
Polysulfide Compositions and Processes for Making Same
An aqueous polysulfide composition comprises one or more inorganic polysulfides, wherein the amount of polysulfides in the composition is at least 30% by weight, preferably at least 35% by weight, more preferably at least 40% by weight, and wherein the amount of thiosulfate anions in the composition is at most 5% by weight, relative to the total weight of the composition. In one embodiment the weight ratio of polysulfides to thiosulfates in the aqueous composition is from 55/1 to 1.5/1. In another embodiment, the aqueous polysulfide composition has a pH of at least 10. A process for preparing an aqueous polysulfide composition comprises reacting a sulfide salt (c) with elemental sulfur to form one or more polysulfide salts. The compositions have many uses and are in particular useful in metal capturing, cyanide scavenging, soil remediation, water treatment, petroleum processing, leather processing, and making of paper pulp.
A process for recovering a first mineral comprising the steps of: (a) providing a pulp comprising solids and water, wherein the solids comprise the first mineral; (b) adding a first depressant to the pulp; (c) subjecting the pulp to a froth flotation process to produce a froth comprising the first mineral; and (d) recovering the froth; characterized in that the first mineral is a sulfide mineral, and the first depressant consists of one or more dithiocarbamic acids or salts thereof of formula (I). A composition comprising the first depressant, and further comprising one, two or three of a collector, a second depressant and a mineral. The use of a dithiocarbamic acid or salt thereof of formula (I). The dithiocarbamic acid or salt thereof of formula (I) which is 3-ammo-l,2-propanediol dithiocarbamic acid or a salt thereof, 2-amino-2-methyl-l, 3, -propanediol dithiocarbamic acid or a salt thereof, or N- phenylethylenediamine dithiocarbamic acid or a salt thereof.
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
(1) Fertilizers; Chemicals for use in agriculture, horticulture and forestry except fungicides, herbicides, insecticides and parasiticides; Plant nutrients; Plant growth nutrients; Soil enhancement liquids and preparations; Soil amendments for agricultural, horticultural and forestry purposes; Soil conditioners for agricultural and horticultural use; Soil conditioning preparations; Soil improving agents; Soil improving preparations; Surfactant soil wetting agent; Soil surfactants used to promote uniform movement of water in soil
Methods for removing a soluble heavy metal-sulfur complex from a process solution comprise contacting the process solution with an oxidant to oxidize the heavy metal-sulfur complex and form an oxidized complex precipitate, or with an acid to acidify the heavy metal-sulfur complex and form an acidified complex precipitate, and removing the precipitate from the process solution to provide a heavy metal-reduced solution. The method is advantageous for removing heavy metals such as mercury, cadmium, barium, iron, vanadium and/or manganese from process solutions, for example originating from natural gas production, petroleum production, water treatment or mining.
C02F 103/10 - Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
C02F 1/00 - Treatment of water, waste water, or sewage
C02F 103/36 - Nature of the water, waste water, sewage or sludge to be treated from the chemical industry not provided for in groups from the manufacture of organic compounds
The present invention relates to an aqueous liquid fertilizer composition having a 4 wt % to 30 wt % nitrogen content and 8 wt % to 27 wt % sulfur content comprising more than 20 wt % ammonium thiosulfate, calculated as dry matter, and at least 2 wt %, calculated as dry matter, of one other compound selected from the group consisting of a sulfite, bisulfite, urea-triazone compound and zinc sulfate hexahydrate or mixtures thereof, wherein the composition has a salt out temperature of about 0 C or less as measured with the FFF-method. The aqueous liquid fertilizer composition of the present invention can have an amount of sulfur of about 21 wt % or higher, for example 22-26 wt %.
01 - Chemical and biological materials for industrial, scientific and agricultural use
04 - Industrial oils and greases; lubricants; fuels
37 - Construction and mining; installation and repair services
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
(1) Chemicals for use in industry; chemicals for use in mining; chemicals for the treatment of water, wastewater and gas; chemicals for remediation; chemicals for purification of industrial metals; chemicals used in the manufacture and treatment of paper and wood pulp; chemical additives for use in the manufacture of a wide variety of goods; chemical additives for use in the manufacture and processing of food; chemicals for processing animal hides and furs; tanning agents for use in the manufacture of leather; chemicals agents for impregnating, binding or coating of textiles, furs and leather, non-wovens and fabrics (1) Consulting services for the construction of plants and facilities in the fields of mining, oil and gas production and treatment, water treatment and purification, solid waste treatment and other municipal infrastructure facilities; consulting services in the field of mining extraction; technical consulting services regarding the manufacture, installation and operation of equipment, control systems, and machinery; consulting services in the field of offshore oil and gas facility construction
(2) Technical consulting services in the fields of mining, oil and gas production and processing, manufacturing of mining and oil and gas equipment, control systems, and machinery; consulting services in the field of water treatment; consulting services in the field of wastewater treatment; consulting services in the field of food processing and treatment; consulting services in the field of processing animal hides and leather; consulting services in the field of industrial toxic waste treatment; providing information relating to material treatment; custom additive manufacturing for others; custom additive manufacturing in the fields of industry, mining, water, wastewater and gas treatment, pharmaceuticals and household chemicals
(3) Engineering; research and development and testing and consultation related thereto in the fields of chemistry, chemical processes, industrial processes, mining, oil and gas production and treatment and storage, water treatment, wastewater treatment, solid waste treatment and hazardous materials management; technical consultation in the field of environmental science, engineering services and design for others in the field of environmental engineering; chemistry consultation; custom design and engineering of mining and industrial chemical treatment and holding structures; consulting services in the field of design and development of engineering processes; consultation in the field of auxiliary design for oil and gas industrial machines; environmental services, namely, technical consultation in the field of environmental science, engineering services and design for others in the field of environmental engineering; consulting services in the field of industrial engineering; technical consulting in the field of environmental engineering; scientific consulting services relating to hazardous materials management
01 - Chemical and biological materials for industrial, scientific and agricultural use
37 - Construction and mining; installation and repair services
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
Chemicals for use in industry; Chemicals for use in mining; Chemicals for the treatment of water, wastewater and gas; Chemicals for remediation, namely, soil remediation, drinking water treatment, and for use as a remediation agent by accelerating the decomposition of organic material; Chemicals for purification of industrial metals; Chemicals used in the manufacture of paper and wood pulp; Chemical additives for use in the manufacture of a wide variety of goods; Chemical additives for use in the manufacture and processing of food; Chemicals for processing animal hides and furs; Tanning agents for use in the manufacture of leather; Chemical agents for impregnating, binding or coating of textiles, furs and leather, non-wovens and fabrics Consulting services for the construction of plants and facilities in the fields of mining, oil and gas production and treatment, water treatment and purification, solid waste treatment and other municipal infrastructure facilities; Consulting services in the field of mining extraction; Technical consulting services regarding the installation of equipment, control systems, and machinery in the fields of mining, oil and gas production and treatment, water treatment and purification, solid waste treatment, environmental remediation, paper and wood pulp manufacturing, textile manufacturing, and leather tanning; Consulting services in the field of offshore oil and gas facility construction; research and development, and consultation related thereto in the field of mining extraction Technical consulting services regarding the manufacturing of equipment, control systems, and machinery in the fields of mining, oil and gas production and processing; Consulting services in the field of water treatment; Consulting services in the field of wastewater treatment; Consulting services in the field of food processing and treatment; Consulting services in the field of processing animal hides and leather; Consulting services in the field of industrial toxic waste treatment; Providing information relating to material treatment; Custom additive manufacturing for others; Custom additive manufacturing in the mining, water, wastewater and gas treatment, pharmaceuticals and household chemicals industries; Technical consulting services regarding the manufacture of equipment, control systems, and machinery in the fields of mining, oil and gas production and treatment, water treatment and purification, solid waste treatment, environmental remediation, paper and wood pulp manufacturing, textile manufacturing, and leather tanning; research and development and consultation related thereto in the fields of chemistry relating to manufacture, chemical processes related to manufacturing, industrial processes related to manufacturing, mining, oil and gas production and treatment, water treatment, wastewater treatment, solid waste treatment, environmental remediation in the field of hazardous materials management and regarding the treatment of soil, waste, and waste water, paper and wood pulp manufacturing regarding chemical process, textile manufacturing regarding chemical process, and leather tanning regarding chemical process, and hazardous materials management, namely, decontamination and detoxification Engineering; testing of products, reactants, process parameters, and equipment in the fields of chemistry, chemical processes, industrial processes, mining, oil and gas production and treatment and storage, water treatment, wastewater treatment, solid waste treatment and hazardous materials management; Technical consultation in the field of environmental science, engineering services and design for others in the field of environmental engineering; Chemistry consultation; Custom design and engineering of mining and industrial chemical treatment and holding structures; Consulting services in the field of design and development of engineering processes; Consultation in the field of auxiliary design for oil and gas industrial machines; Environmental services, namely, technical consultation in the field of environmental science, engineering services and design for others in the field of environmental engineering; Consulting services in the field of industrial engineering; Technical consulting in the field of environmental engineering; Scientific consulting services relating to hazardous materials management
2233), and at least about 0.1 mol % of contaminating refinery hydrocarbons. The aqueous compositions are suitable for use in fertilizers, mining and industrial applications.
An aqueous polysulfide composition comprises one or more inorganic polysulfides, wherein the amount of polysulfides in the composition is at least 30% by weight, preferably at least 35% by weight, more preferably at least 40% by weight, and wherein the amount of thiosulfate anions in the composition is at most 5% by weight, relative to the total weight of the composition. In one embodiment the weight ratio of polysulfides to thiosulfates in the aqueous composition is from 55/1 to 1.5/1. In another embodiment, the aqueous polysulfide composition has a pH of at least 10. A process for preparing an aqueous polysulfide composition comprises reacting a sulfide salt (c) with elemental sulfur to form one or more polysulfide salts. The compositions have many uses and are in particular useful in metal capturing, cyanide scavenging, soil remediation, water treatment, petroleum processing, leather processing, and making of paper pulp.
The present invention relates to an aqueous liquid fertilizer composition having a 4 wt% to 30 wt% nitrogen content and 8 wt% to 27 wt% sulfur content comprising more than 20 wt% ammonium thiosulfate, calculated as dry matter, and at least 2 wt%, calculated as dry matter, of one other compound selected from the group consisting of a sulfite, bisulfite, urea-triazone compound and zinc sulfate hexahydrate or mixtures thereof, wherein the composition has a salt out temperature of about 0 C or less as measured with the FFF-method. The aqueous liquid fertilizer composition of the present invention can have an amount of sulfur of about 21 wt% or higher, for example 22-26 wt%.
Provided in the invention are thiosulfate-urea based products (IIa) and/or a polysulfide-urea based products (IIb) and/or a (bi)sulfite-urea based products (IIc) suitable for use in fertilizers and comprising: one or more urea-containing compounds (a), one or more compounds (b), optionally, one or more urease (c1) and/or nitrification (c2) inhibitors that are different from compounds (b), and/or optionally, one or more additives (d) that are different from any of the above compounds, wherein the amount of water (e) in the product (II) is less than about 10 wt%, preferably less than about 5 wt%, wherein compounds (a) are selected from urea (a1) and/or from urea-aldehyde products (a2) and/or from urea-triazone compounds (a3), wherein compounds (b) are selected from thiosulfates (b1) and/or from polysulfides (b2) and/or from (bi)sulfites (b3). An advantage of products of the invention is that only minimal amounts of degradation products of compounds (b) are formed. Products of the invention can be made in various forms and in different ways. All of the materials of the invention are suitable for use in fertilizers and blend well with solid and liquid fertilizers standardly used.
C05G 3/08 - Mixtures of one or more fertilisers with materials not having a specifically fertilising activity with agents affecting the nitrification of ammonium compounds or urea in the soil
27.
STABILIZED UREA FERTILIZER COMPOSITIONS AND METHODS FOR PREPARING SAME
Provided in the invention is a stabilized fertilizer composition (I) suitable for use in fertilizers and comprising: Urea (a), One or more compounds (b), One or more urease inhibitors (c1) and/or one or more nitrification inhibitors (c2), optionally provided in one or more carriers (d), said compounds (c) being different from compounds (b), Optionally one or more additives (e) different from any of the above, and Water (f) in an amount less than about 10 wt% and preferably less than about 5 wt%; wherein compounds (b) are selected from thiosulfates (b1) and/or from polysulfides (b2) and/or from (bi)sulfites (b3); and wherein the ratio of urea (a) to compounds (b) is from 1:99 to 99:1, preferably from 2:98 to 98:2. Products of the invention can be made in various forms and in different ways. All of the materials of the invention are suitable for use in fertilizers and blend well with solid and liquid fertilizers standardly used. They have excellent shelf life and provide good urea-N protection.
The present invention relates to additive solutions of at least one urease inhibitor and/or at least one nitrification inhibitor, wherein the solution comprises: urea, an urea-aldehyde adduct and/or an urea-triazone fertilizer, water and at least one co-solvent, and further at least about 2.5 wt%, preferably at least about 5 wt% of urease and/or nitrification inhibitors. Up to about 30 wt% and more of the inhibitors could be dissolved as such. Additive solutions of the invention are highly suitable for the adding to liquid N and/or S fertilizers. A liquid 28-0-0-5S fertilizer can for instance be made from materials of the invention.
C05G 3/08 - Mixtures of one or more fertilisers with materials not having a specifically fertilising activity with agents affecting the nitrification of ammonium compounds or urea in the soil
C05C 9/00 - Fertilisers containing urea or urea compounds
A stable concentrated solution of a metam salt and one or more of calcium thiosulfate, calcium chloride and calcium nitrate, can be used to treat for soil pathogens, including the pathogen responsible for potato early die. It is believed that the high concentrations of the compounds, that is, the high concentration of calcium thiosulfate, calcium chloride and/or calcium nitrate admixed with a metam, results in lower rates of degradation that result from calcareous soil, increased soil adsorption or retention, and improved distribution of metam or methyl isothiocyanate (MITC) in the soil.
A01N 25/02 - Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of applicationSubstances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
A01N 25/22 - Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of applicationSubstances for reducing the noxious effect of the active ingredients to organisms other than pests containing ingredients stabilising the active ingredients
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
Chemicals for use in agriculture, horticulture or forestry except fungicides, herbicides, insecticides and parasiticides; Fertilizers; Plant nutrients; Plant nutrient compositions; Plant growth agents
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
Chemicals for use in agriculture, horticulture or forestry except fungicides, herbicides, insecticides and parasiticides; Fertilizers; Plant nutrients; Plant nutrient compositions; Plant growth agents
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
Chemicals for use in agriculture, horticulture or forestry except fungicides, herbicides, insecticides and parasiticides; Fertilizers; Plant nutrients; Plant nutrient compositions; Plant growth agents
B01D 53/14 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by absorption
A stable concentrated solution of a metam salt and a polysulfide, particularly calcium polysulfide, can be used to treat for soil pathogens, including the pathogen responsible for potato early die. Calcium polysulfide alone in sufficient concentration and dosage provides activity against the same pathogen. It is believed that the high concentrations of the compounds, that is, the high concentration of lime sulfur admixed with a metam, results in lower rates of degradation that result from calcareous soil, increased soil adsorption or retention, and improved distribution of metam or methyl isothiocyanate (MITC) in the soil.
A01N 47/12 - Carbamic acid derivatives, i.e. containing the group —O—CO—NThio-analogues thereof containing a —O—CO—N group, or a thio-analogue thereof, neither directly attached to a ring nor the nitrogen atom being a member of a heterocyclic ring
A stable concentrated solution of a metam salt and a polysulfide, particularly calcium polysulfide, can be used to treat for soil pathogens, including the pathogen responsible for potato early die. Calcium polysulfide alone in sufficient concentration and dosage provides activity against the same pathogen. It is believed that the high concentrations of the compounds, that is, the high concentration of lime sulfur admixed with a metam, results in lower rates of degradation that result from calcareous soil, increased soil adsorption or retention, and improved distribution of metam or methyl isothiocyanate (MITC) in the soil.
A01N 25/02 - Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of applicationSubstances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
A01N 25/18 - Vapour or smoke emitting compositions with delayed or sustained release
A01N 47/12 - Carbamic acid derivatives, i.e. containing the group —O—CO—NThio-analogues thereof containing a —O—CO—N group, or a thio-analogue thereof, neither directly attached to a ring nor the nitrogen atom being a member of a heterocyclic ring
Described herein is a method for slowing the progression of citrus greening disease. The method may substantially stop the progression of citrus greening disease, preventing the loss of all or part of a citrus harvest. The method comprises the application of one or more thiosulfates in irrigation water to the root zone of a citrus tree.
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
Treatment and management of cyanide and other contaminants in waste water effluent generated by oil refineries and consultation related thereto Engineering services and consultation for the detection and control of cyanide and other contaminants in waste water effluent generated by oil refineries
46.
Sulfur dioxide scrubbing system and process for producing potassium products
B01D 53/14 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by absorption
47.
Oxidation process for producing potassium thiosulfate
3) is described. Potassium hydroxide (KOH) and elemental sulfur (S) are converted to potassium polysulfide, which is subsequently oxidized. The process allows using specifically designed process conditions such as mole ratios of potassium hydroxide to sulfur, and temperature, to obtain an optimized formulation of desired polysulfide, and a specifically designed set of conditions such as temperature, pressure, rate and duration of the oxidant during the oxidation conditions, to obtain a relatively high concentration of soluble potassium thiosulfate product with high purity, with relatively low amounts of byproducts. The manufacturing process can either be a batch process or a continuous process utilizing Continuous Stirred Tank Reactors (CSTR). The CSTR process is dependent on several design parameters, including pressure, and temperature optimization to avoid product instability. The resulting potassium thiosulfate is a beneficial fertilizer with high potassium content as a 50% liquid source of potassium.
The invention relates to a process for preparing potassium thiosulfate, potassium sulfite or potassium bisulfite comprising the following steps: Step (1a): providing a potassium hydroxide or potassium carbonate solution for neutralizing acid forming components such as dissolving SO2 or H2S; Step (1b): providing an SO2 contacting solution, containing at least some potassium sulfite or potassium bisulfite or potassium thiosulfate; Step (2): providing SO2 gas; Step (3): reacting these to absorb the SO2 gas and to form an intermediate reaction mixture comprising potassium sulfite, or potassium bisulfite or a mixture thereof, and optionally recovering the potassium sulfite, or potassium bisulfite or a mixture thereof, and/or optionally using steps 4 and 5; Step (4): adding sulfur or sulfide containing compound containing sulfur having the oxidation state of 0, -2 or of between 0 and -2 to the reaction mixture and optionally potassium hydroxide or potassium carbonate, and reacting the mixture under suitable conditions to form potassium thiosulfate; and Step (5): recovering the potassium thiosulfate, and optionally concentrating the potassium thiosulfate.
An efficient process for preparation of potassium thiosulfate (K2S2O3) is described. Potassium hydroxide (KOH) and elemental sulfur (S) are converted to potassium polysulfide, which is subsequently oxidized. The process allows using specifically designed process conditions such as mole ratios of potassium hydroxide to sulfur, and temperature, to obtain an optimized formulation of desired polysulfide, and a specifically designed set of conditions such as temperature, pressure, rate and duration of the oxidant during the oxidation conditions, to obtain a relatively high concentration of soluble potassium thiosulfate product with high purity, with relatively low amounts of byproducts. The manufacturing process can either be a batch process or a continuous process utilizing Continuous Stirred Tank Reactors (CSTR). The CSTR process is dependent on several design parameters, including pressure, and temperature optimization to avoid product instability. The resulting potassium thiosulfate is a beneficial fertilizer with high potassium content as a 50% liquid source of potassium.
01 - Chemical and biological materials for industrial, scientific and agricultural use
05 - Pharmaceutical, veterinary and sanitary products
Goods & Services
Chemical preparations for use in agriculture, horticulture
and forestry, namely, chemical preparations for protecting
plants, trees, fruits and vegetables from sunburn and heat
stress. Pesticides and pest repellants for agriculture and domestic
use.
51.
Depression of copper and iron sulfides in molybdenite flotation circuits
A method of depressing copper sulfides and iron sulfides in a molybdenite flotation recovery process that uses alkaline or alkaline earth polysulfides. The method of enriching molybdenite content from a slurry having molybdenite and at least one of iron sulfides and copper sulfides can include the steps of adding an effective amount of a depressing reagent selected from one or more alkaline polysulfides, alkaline earth polysulfides, or a mixture thereof, to the slurry, wherein the pH of the slurry is greater than about 8.0; and passing a gas through the slurry to separate material by selective flotation, and recovering the molybdenite from a froth.
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
Chemical preparations for use in agriculture, horticulture and forestry, namely, chemical preparations for protecting plants, trees, fruits and vegetables from sunburn and heat stress
A method of depressing copper sulfides and iron sulfides in a molybdenite floatation recovery process uses alkaline or alkaline earth potysulftdes at high concentrate pH. The method of enriching molybdenite content from a slurry having molybdenite and at least one of iron sulfides and copper sulfides can include the steps of adding an effective amount of a depressing reagent selected from one or more alkaline poly sulfides, alkaline earth polysulfides, or a mixture thereof, to the slurry, wherein the pH of the slurry is greater than about 8.0; and passing a gas through the slurry to separate material by selective flotation, recovering the molybdonite from a froth.
A method cleaning a contaminate solvent used to treat a gas stream, for example a contaminated glycol or a contaminated amine stream, by vacuum evaporation using a mechanically-maintained horizontally-orientated thin film evaporator, where the contaminant material is recovered from the thin film in solvent- free form, as either a heavy organic material or as free flowing salts.
The present invention provides a new liquid fertilizer comprised of potassium sulfite and potassium bisulfite, with neutral to slightly alkaline pH, relatively lower salt index and potentially lower phytotoxicity damage compared to other sources of potassium and sulfur products applied in equal amounts as a starter fertilizer. More specifically, the present invention further relates to methods for fertilizing using a composition of potassium sulfite and potassium bisulfite, particularly as a starter fertilizer, in-furrow fertilizer, side dress fertilizer, and for foliar, broadcast, soil injection and fertigation applications. The fertilizer composition is comprised primarily of potassium sulfite and potassium bisulfite (with the fertilizer grade of 0-0-23-8S).
The present invention provides a new liquid fertilizer comprised of potassium sulfite and potassium bisulfite, with neutral to slightly alkaline pH, relatively lower salt index and potentially lower phytotoxicity damage compared to other sources of potassium and sulfur products applied in equal amounts as a starter fertilizer. More specifically, the present invention further relates to methods for fertilizing using a composition of potassium sulfite and potassium bisulfite, particularly as a starter fertilizer, in-furrow fertilizer, side dress fertilizer, and for foliar, broadcast, soil injection and fertigation applications. The fertilizer composition is comprised primarily of potassium sulfite (with the fertilizer grade of 0-0-23-8S).
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF AGRICULTURE (USA)
Inventor
Glenn, David, Michael
Volker, Kurt, C.
Barrows, Peter, S.
Hayden, Christopher, G.
Abstract
A method of protecting plants from ozone by applying to the photosynthetically active portions of said plants a particle film containing particles, an effective amount of a volumizing and two or more of nitrogen-rich carbonaceous materials which destroy ozone, microbial fertilizer which promotes microbial growth in the particle film, and ozone-reactable carbonaceous materials coated on the particles.
3) from lime sulfur, through oxidation is described. The process involves oxidizing calcium polysulfide intermediate in a series of reactors to produce calcium thiosulfate as a clear liquid in high concentration with minimal byproducts. The process results in the complete destruction of polythionates, permitting the calcium thiosulfate produced to be useful in certain leaching processes for precious metals. The invention further makes it possible to recycle the process water from the leaching process for use as a raw material reactant in the process for calcium thiosulfate production.
3) from lime, sulfur or calcium polysulfide, and sulfur dioxide under elevated reaction temperature conditions is described. The product is an emulsion of liquid calcium thiosulfate and solid byproducts. Under the conditions of the art, including the mole ratios of lime to sulfur, the temperature of the reaction process and the sulfur dioxide reaction conditions, including rate and duration, the byproducts are reduced to about 2% by weight.
The present invention is directed to the conversion of gas streams comprising ammonia, hydrogen sulfide, and water in the form of liquids or gases that are generated by petroleum refineries and coke ovens to beneficiary agriculture products, by forming ammonium sulfide and then converting the ammonium sulfide, using sulfuric acid, to pure ammonium sulfate.
B01J 10/00 - Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particlesApparatus specially adapted therefor
B01J 19/00 - Chemical, physical or physico-chemical processes in generalTheir relevant apparatus
B01J 10/00 - Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particlesApparatus specially adapted therefor
B01J 19/00 - Chemical, physical or physico-chemical processes in generalTheir relevant apparatus
01 - Chemical and biological materials for industrial, scientific and agricultural use
05 - Pharmaceutical, veterinary and sanitary products
Goods & Services
Chemicals used in agriculture, horticulture and forestry, including plant growth regulating preparations; chemical additives for pesticides, including insecticides, herbicides and fungicides; fertilizers. Pesticides, including insecticides, herbicides and fungicides.
A method of improving turfgrass quality involves applying onto the turfgrass an effective amount of a composition which has been dissolved or dispersed in water, wherein the composition contains between 0.11 and 0.14 parts by weight of a phthalocyanine compound, preferably Pigment Green 7, per one part by weight of monoalkyl esters of phosphorous acid or salts thereof, preferably fosetyl aluminum or salts thereof.
A01N 57/12 - Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds containing acyclic or cycloaliphatic radicals
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Chemical processing, namely, the conversion of undesirable products of industrial chemical processes, to chemicals for industrial and agricultural use; chemical processing, namely, processing of sulfur and sulfur-containing compounds to produce chemicals for industrial and agricultural use; treatment of oil refinery off-gas
A method for separating ammonia and sulfides from a sour water stream is disclosed. The stripping of a sour water stream where it is stripped to create a sour water stripper overhead gas and then contacted with an alkali hydroxide in order to separate ammonia and make an alkali sulfide.
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
Adjuvants for use with pesticides; adjuvants for use in the manufacture of pesticides; chemical additives for use in connection with pesticides; chemical additives for use in the manufacture of pesticides
An apparatus and method for treating waste products produced by chemical processing plants. Steam stripping waste sour water results in a vapor including ammonia and hydrogen sulfide. A scrubber unit including a quenching column produces a concentrated ammonium sulfide solution. The concentrated ammonium sulfide allows for more efficient transfer from more than one refinery to a centralized purification facility for further processing.
A method for treating a waste product from a chemical processing plant. Chemical processing plants such as oil refineries produce sour water waste that includes ammonia and hydrogen sulfide. The sour water is typically steam stripped to form a vapor stream including water, the ammonia and the hydrogen sulfide. The vapor stream is converted into a concentrated ammonium sulfide solution using a scrubber unit that includes a cooling and quenching column. Concentrating the byproducts provides for more efficient transportation of the concentrate from several refineries to a remote, centralized purification facility.
The present composition is capable of forming a particle film and comprises: (a) less than 99.65% by weight of at least one particle; (b) at least one volumizing agent selected from the group consisting of: (i) cellulose selected from the group consisting of ethyl hydroxy ethyl cellulose, hydroxy ethyl cellulose, hydroxy propyl cellulose, hydroxy ethyl methyl cellulose, hydroxy propyl methyl cellulose, methyl cellulose, ethyl cellulose, and ethyl methyl cellulose and present in an amount greater than 0.35% by weight; and (ii) non-cellulosic component or cellulose other than said cellulose (i) present in an amount of at least 0.05% by weight; and optionally (c) at least one spreader.
The composition may be used to form agricultural films.
A01N 25/00 - Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of applicationSubstances for reducing the noxious effect of the active ingredients to organisms other than pests
A01N 25/24 - Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of applicationSubstances for reducing the noxious effect of the active ingredients to organisms other than pests containing ingredients to enhance the sticking of the active ingredients
87.
Compositions comprising particles resulting from processing in a slurry mix
The present invention provides a composition comprising functional mineral that is substantially free of crystalline silica. The agricultural particle film composition may be applied to horticultural plants and animals.
A01N 25/26 - Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of applicationSubstances for reducing the noxious effect of the active ingredients to organisms other than pests in coated particulate form
Use of urease-inhibiting amounts of calcium polysulfide, potassium polysulfide, calcium thiosulfate, magnesium thiosulfate, and blends thereof, in combination with urea-containing fertilizer to significantly reduce potential losses of nitrogen due to ammonia volatilization.
