Disclosed is a plasticizer for thermoplastic resin formulation, wherein the plasticizer is one or more nitroxylenes and a thermoplastic resin formulation that includes recycled thermoplastic material with a primary plasticizer (15–55 phr) and a secondary plasticizer, wherein the secondary plasticizer is a one or more nitroxylenes.
A system and process for continuous preparation of meta-cresol. The system may include one or more components such as a gas mixing unit, a reactor unit connected to a coiled reactor, a diazotization unit including a trickle bed reactor unit having a set of packed columns, an excess NOx removal unit, a hydrolysis reactor unit, a layer separation unit, a spent acid recovery unit, and a meta-cresol collection unit.
C07C 37/045 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis by substitution of a group bound to the ring by nitrogen
A present disclosure describes about an improved form of purified crystalline sodium nitrite. The said form of sodium nitrite may comprise a purity level between 99% to 99.2%. The form of sodium nitrite may also comprise an amount of sodium nitrate no greater than 0.7%. The present disclosure also relates to a method of obtaining an improved form of purified crystalline sodium nitrite with minimum impurities.
A free-flowing food grade sodium nitrite and production method thereof. The free flowing food grade sodium nitrite including sodium nitrate (SNI) having purity of 99.0-99.9%, wherein NaNO3 is no greater than 0.70%, wherein alkalinity as Na2CO3 is no greater than 600 ppm, wherein a chloride content is no greater than about 50 ppm, wherein a sulphate content is no greater than 50 ppm, wherein loss on drying is no greater than 0.2%, wherein a content of insoluble is no greater than 0.4%, wherein a content of a heavy metal is no greater than 10 ppm wherein a content of assay is within a range of 98.5% to 100.5%.
244) to obtain a diazotized sulfate salt of 3-amino hydroxybenzotrifluoride. Further, the second stage B may comprise hydrolysis of the diazotized sulfate salt of 3-aminobenzotrifluoride in presence of toluene to obtain crude meta-hydroxy benzo-trifluoride (MHBTF), and further recovery and reuse of the acid effluent (sulfuric acid) spent in the first stage of the process of preparation of meta-hydroxy benzo-trifluoride. The stage B may comprise the separation of the said crude meta-hydroxy benzo-trifluoride in an organic layer from an aqueous layer by alkali washing the organic layer The third stage C may comprise distillation of organic layer to obtain pure meta- hydroxy benzo-trifluoride.
Disclosed is a system (100) and process (300) for preparation of 3'-(Trifluoromethyl) acetophenone (TFMAP), wherein disclosed TFMAP provides appearance ranging from colourless to orange liquid, purity in the range of 99-99.9%, and yield in the range of 60-90%. The process (300) for preparation of the TFMAP include preparation of a diazo solution from reacting 3-aminobenzotrifluoride and sulfuric acid, followed by lot-wise addition of diazo solution with acetaldoxime to obtain 3'- (Trifluoromethyl)acetophenone oxime, which is further treated with 30% HCl solution and undergo distillation to obtain 3'-(Trifluoromethyl) acetophenone having enhanced yield and purity.
B01J 19/02 - Apparatus characterised by being constructed of material selected for its chemically-resistant properties
C02F 5/08 - Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
7.
A SYSTEM AND PROCESS OF PREPARATION OF MONO-NITRO BENZO TRIFLUORIDE (NBTF)
A system for the continuous manufacture of monitor-benzo trifluorides (NBTF). The system has a first reactor set up to mono-nitrate benzo trifluoride by converting reactants by 90-98% in reaction; a second reactor designed to mono-nitrate benzo trifluoride with a residual 2-10% reaction conversion of reactants; a third reactor that can separate the organic layer, which contains nitro-benzo trifluoride, from the aqueous layer, which contains mixed sulfuric acid. The system also includes a washing unit for washing the organic layer and separating the 4-nitro benzo trifluorides (4-NBTF), 2-nitro benzo trifluorides (2-NBTF), and 3-nitro benzo trifluorides (3- NBTF) in a particular ratio. The system enables high-yield, corrosion-free, rapid, compact, cheaper, and economically feasible production of NBTF by mono-nitration and also implements reusable recovery spent acid in the process to achieve environmental effectiveness and cost efficiency.
C23C 16/00 - Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
C07C 201/08 - Preparation of nitro compounds by substitution of hydrogen atoms by nitro groups
8.
A SYSTEM AND PROCESS OF MANUFACTURING OF A SALT BRIQUETTE
A system and method of briquette formation of hygroscopic metallic salts. The system including a feed hopper unit, a vibrating sieve unit, a briquetting unit, a belt conveyer, a bucket elevator, a double deck vibrating sieve unit, a product hopper unit, a by-product hopper unit, and a product and by product packing unit. the briquetting unit comprising an inclined screw conveyer unit is configured for pushing hygroscopic salt material into the briquetting unit, one or more briquette rollers configured for compression of feed material into briquette stripes and a cutting assembly configured to cut briquette stripes and to obtain the briquette of hygroscopic metallic salt. Hygroscopic metallic salt briquette manufactured by the process is easy to handle, transportable, storage stable and causes minimum loss of salt before the end use.
C01D 13/00 - Compounds of sodium or potassium not provided for elsewhere
C01D 9/18 - Preparation in the form of shaped products, e.g. granules
B30B 11/18 - Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses or tabletting presses using profiled rollers
B30B 11/16 - Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses or tabletting presses using pocketed rollers, e.g. two co-operating pocketed rollers
Disclosed is a system (100) and a process (500) for the production and separation of 3-nitro-o-xylene (3-NoX) and 4-nitro-o-xylene (4-NoX). Further, the said system (100) comprises of a first reactor (101) and a second reactor (102) enabled for the nitration of o-xylene. Further, the said system (100) comprises a high-speed separator (HSS) (106) enabled for the separation of aqueous layer comprising 5 spent acid and organic layer comprising nitro mass Further, the said system (100) comprises a fractionation unit (108) comprising at least two columns (C1, C2) enabled to obtain the pure 3-NoX and 4-NoX from nitro mass.
Disclosed is a system (100), a process (300), and a process (400) for washing of slurry mixture of mono nitroxylene and recovery of ammonia and water from slurry mixture of mono nitroxylene. Further, the said system (100) comprises of plurality of water washing reactors (R1, R2, R3) (101, 103, 108), and one or more separator units (F1, F2, F3)(102, 104, 110), and a wastewater treatment unit (107) configured to recover ammonium hydroxide/ ammonia, and reusable water, and a third separator unit (F3) (110) is configured to separate organic nitro-mass and recycle slightly alkaline water to the first water washing reactor (R1) (101).
A present disclosure describes about an improved form of purified crystalline sodium nitrite. The said form of sodium nitrite may comprise a purity level between 99% to 99.2%. The form of sodium nitrite may also comprise an amount of sodium nitrate no greater than 0.7%. The present disclosure also relates to a method of obtaining an improved form of purified crystalline sodium nitrite with minimum impurities.
Disclosed is a system (100) and process (200) for continuous preparation of meta-cresol. The system (100) may comprise one or more components such as a gas mixing unit (101), a reactor unit (102) connected to a coiled reactor (103), a diazotization unit (104) comprising a trickle bed reactor unit having a set of packed columns, an excess NOx removal unit (105), a hydrolysis reactor unit (106), a layer separation unit (107), a spent acid recovery unit (108), and a meta-cresol collection unit (109).
C07C 37/05 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis by substitution of a group bound to the ring by nitrogen by substitution of a NH2 group
C07C 39/07 - Alkylated phenols containing only methyl groups as alkyl groups, e.g. cresols, xylenols
13.
A METHOD OF PREPARATION OF METHOXY AMINE HYDROCHLORIDE
The method (100) and a reactor assembly (200) for the synthesis of Methoxy amine hydrochloride (MAHCl) is disclosed. Methoxy amine hydrochloride is a primary reagent used for preparation of one or more oxime derivatives. The present disclosure is about developing a method (100) for preparing Methoxyamine hydrochloride product by utilizing a different reaction route, minimizing the time consumption, and is economic method, thereby minimizing the energy consumption of the overall process.
A61K 31/517 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with carbocyclic ring systems, e.g. quinazoline, perimidine
C07C 239/20 - Hydroxylamino compounds or their ethers or esters having oxygen atoms of hydroxylamino groups etherified
14.
Venturi air-ammonia mixer enabled for two burner system
b) is enclosed in the annular region 212 and connected to an ammonia inlet feed 206. Further the ammonia inlet feed 206 fills the annular region 212 with dry ammonia gas which further flows into the venturi air-ammonia mixer 200 through the perforated regions thereby enabling uniform mixing of the ammonia gas with air from the air inlet feed 208.
The present disclosure describes about a free flowing sodium nitrite and a method (200) of obtaining the free flowing for sodium nitrite. The method (200) may comprise various steps such as optimizing (202) the concentration of SNI, heating (206) of sodium nitrite slurry at 50 to 600 rpm, gradually cooling (208) the heated mass below 45° C., filtering (210) the wet mass, drying a filtered mass (212), and sieving (214) the dried mass to obtain the free flowing sodium nitrite comprising a spherical or oval shape granules. The spherical or oval shaped granules of SNI obtained has a moisture content of less than 0.15%, mesh size of more than 60 BSS in an amount 60-80% of the total content the particle size of at least 0.25 mm in an amount 60-80% of the total content, angle of repose between 25° to 37° and Hausner ratio of 1.03 to 1.17.
Disclosed is an apparatus for conversion of ammonia into oxides of nitrogen which may comprise an adiabatic burner (108), a set of platinum/rhodium alloy catalytic gauzes (102A), (102B), and (102C), a waste heat recovery boiler (WHRB) (110), an absorption tower (302A), (302B), (302C), (302D) and (302E), a NaOH tank (306) and a surge tank (304). Further, the adiabatic burner may be configured to carry out catalytic oxidation of air and ammonia, using catalytic gauzes (102A), (102B), and (102C) of platinum/rhodium alloy. Further, the mixture of air and ammonia may be selectively oxidized to oxides of nitrogen, which may be absorbed in an alkali medium in the absorption tower (302A), (302B), (302C), (302D) and (302E), to yield sodium nitrites and nitrates.
B01J 19/00 - Chemical, physical or physico-chemical processes in generalTheir relevant apparatus
B01J 20/04 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
F23C 13/08 - Apparatus in which combustion takes place in the presence of catalytic material characterised by the catalytic material
17.
A FREE-FLOWING FOOD GRADE SODIUM NITRITE AND PRODUCTION METHOD THEREOF
A present disclosure describes about a free-flowing food grade sodium nitrite and production method thereof. The free flowing food grade sodium nitrite comprising: sodium nitrite (SNI) having purity of 99.0-99.9%, wherein NaNO3 is no greater than 0.70%, wherein alkalinity as Na2CO3 is no greater than 600 ppm, wherein a chloride content is no greater than about 50 ppm, wherein a sulphate content is no greater than 50 ppm, wherein loss on drying is no greater than 0.2%, wherein a content of insoluble is no greater than 0.4%, wherein a content of a heavy metal is no greater than 10 ppm wherein a content of assay is within a range of 98.5% to 100. 5%.
A system and method of briquette formation of hygroscopic metallic salts is disclosed. The system (100) comprising a feed hopper unit (101), a vibrating sieve unit (102), a briquetting unit (104), a belt conveyer (105), a bucket elevator (106), a double deck vibrating sieve unit (107), a product hopper unit (108), a by-product hopper unit (109), and a product and by product packing unit (110). the briquetting unit (104) comprising an inclined screw conveyer unit (103) is configured for pushing hygroscopic salt material into the briquetting unit (104), one or more briquette rollers configured for compression of feed material into briquette stripes and a cutting assembly configured to cut briquette stripes and to obtain the briquette of hygroscopic metallic salt. Hygroscopic metallic salt briquette manufactured by the process (200) is easy to handle, transportable, storage stable and causes minimum loss of salt before the end use.
B30B 11/16 - Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses or tabletting presses using pocketed rollers, e.g. two co-operating pocketed rollers
C10L 5/02 - Briquettes consisting mainly of carbonaceous materials of mineral origin
19.
FORMS OF SODIUM NITRITE AND IMPURITY PROFILE THEREOF
A present disclosure describes about an improved form of purified crystalline sodium nitrite. The said form of sodium nitrite may comprise a purity level between 99% to 99.2%. The form of sodium nitrite may also comprise an amount of sodium nitrate no greater than 0.7%. The present disclosure also relates to a method of obtaining an improved form of purified crystalline sodium nitrite with minimum impurities.
Disclosed is a venturi air-ammonia mixer 200 enabled for a two-burner system. The venturi air-ammonia mixer 200 comprises a venturi body 204 and an annular region 212. Further the venturi body 204 comprises a convergent section 204(a) comprising an air inlet feed 208 a cylindrical section 204(b) comprising an inner hollow member 202, and a divergent section 204(c) comprising an air-ammonia gas outlet 210. Further the cylindrical section 204(b) and the inner hollow member 202 comprises a first perforated region and a second perforated region. Further the cylindrical section 204(b) is enclosed in the annular region 212 and connected to an ammonia inlet feed 206. Further the ammonia inlet feed 206 fills the annular region 212 with dry ammonia gas which further flows into the venturi air-ammonia mixer 200 through the perforated regions thereby enabling uniform mixing of the ammonia gas with air from the air inlet feed 208.
The present disclosure describes about a free flowing sodium nitrite and a method (200) of obtaining the free flowing for sodium nitrite. The method (200) may comprise various steps such as optimizing (202) the concentration of SNI, heating (206) of sodium nitrite slurry at 50 to 600 rpm, gradually cooling (208) the heated mass below 45°C, filtering (210) the wet mass, drying a filtered mass (212), and sieving (214) the dried mass to obtain the free flowing sodium nitrite comprising a spherical or oval shape granules. The spherical or oval shaped granules of SNI obtained has a moisture content of less than 0.15%, mesh size of more than 60 BSS in an amount 60-80%of the total content the particle size of at least 0.25 mm in an amount 60-80% of the total content, angle of repose between 25°to 37° and Hausner ratio of 1.03 to 1.17.
Disclosed is an apparatus for conversion of ammonia into oxides of nitrogen which may comprise an adiabatic burner (108), a set of platinum/rhodium alloy catalytic gauzes (102A), (102B), and (102C), a waste heat recovery boiler (WHRB) (110), an absorption tower (302A), (302B), (302C), (302D) and (302E), a NaOH tank (306) and a surge tank (304). Further, the adiabatic burner may be configured to carry out catalytic oxidation of air and ammonia, using catalytic gauzes (102A), (102B), and (102C) of platinum/rhodium alloy. Further, the mixture of air and ammonia may be selectively oxidized to oxides of nitrogen, which may be absorbed in an alkali medium in the absorption tower (302A), (302B), (302C), (302D) and (302E), to yield sodium nitrites and nitrates.
The present invention relates to a process for preparing disodium 4,4'-bis(4-anilino-6-morpholino-s- triazin-2-ylamino)-2,2'-stilbene disulphonate in the β crystal form, the process comprising subjecting disodium 4,4'-bis (4:anilino-6-morpholino-s-triazin-2-ylamino)-2,2'-stilbene disulphonate in the a crystal form to steam distillation. It also discloses a process to get formulations based on disodium 4,4'-bis(4- anilino-6-morpholino-s-triazin-2-ylamino)-2,2'-stilbene disulphonate, with substantially lower content of the hazardous amines such as aniline and morpholine.
The present invention relates to optical brighteners of Formula I and a process for preparing the same. The present invention also discloses aqueous solutions of optical brighteners of Formula I.
