The present invention is directed to systems and methods of treating wastewater. The present invention may include a method of treating such wastewater comprising selenium in the form of water soluble selenates, selenites, and/or selenides, the method including: a chemical/biological treatment process, causing the water soluble selenates, selenites, and/or selenides in the wastewater to be converted into insoluble elemental selenium; and a physical treatment process, trapping the insoluble elemental selenium in a filtration device. Systems and methods in accordance with the present invention may also include a system for including: one or more chemical/biological treatment reactors, the one or more chemical/biological treatment reactors configured to cause the water soluble selenates, selenites, and/or selenides in the wastewater to be converted into insoluble elemental selenium; and one or more physical treatment devices, the one more physical treatment devices configured to trap the insoluble elemental selenium in a filtration device.
The invention is directed to systems and methods of biological and chemical treatment of wastewater comprising organic nitrogen compounds. Systems may include: an aerobic reactor, a first separation module for separating liquid and solid components of the wastewater; an oxidation module for removing organic materials from the wastewater; and a post-anoxic reactor for denitrifying at least a portion of the wastewater. Systems may include a second separation module and various feedback recycle lines between the components. Methods may include: degrading by the aerobic reactor more than 95% of organic compounds to ammonia, oxidizing by the oxidation module at least a portion of the ammonia to nitrates, and degrading by the post-anoxic reactor at least a portion of the nitrates to nitrogen gas and water. Systems and methods may reduce total organic carbon of the wastewater by more than 90%, and total nitrogen of the wastewater by more than 90%.
The present invention is generally directed to a split drive assembly for an ultraviolet (UV) disinfection module comprising one or more UV lamps extending between one or more headers and a cleaning plate having openings therein arranged to substantially coincide with the UV lamps to permit movement of the cleaning plate along the UV lamps, the split drive assembly operatively connected to a moving device, the split drive assembly including a split drive nut having an internal bore for attachment to the moving device, the drive nut comprising at least two portions attached together around the moving device. Other aspects of the invention may include a sleeve guide including an attachment plate to attach the sleeve guide to a surface of the cleaning plate; a sleeve extended from the attachment plate; and an alignment device in contact with a UV lamp, the alignment device attached to the sleeve.
The invention is directed to systems and methods of biological and chemical treatment of wastewater comprising organic nitrogen compounds. Systems may include: an aerobic reactor, a first separation module for separating liquid and solid components of the wastewater; an oxidation module for removing organic materials from the wastewater; and a post-anoxic reactor for denitrifying at least a portion of the wastewater. Systems may include a second separation module and various feedback recycle lines between the components. Methods may include: degrading by the aerobic reactor more than 95% of organic compounds to ammonia, oxidizing by the oxidation module at least a portion of the ammonia to nitrates, and degrading by the post- anoxic reactor at least a portion of the nitrates to nitrogen gas and water. Systems and methods may reduce total organic carbon of the wastewater by more than 90%, and total nitrogen of the wastewater by more than 90%.
The present invention is generally directed to a versatile fluid treatment system which includes: a mobile device; a track system connected to the mobile device; one or more treatment vessels removably attached to the track system, each treatment vessel comprising a treatment material disposed inside the treatment vessel, at least one fluid inlet, and at least one fluid outlet; an input conduit that receives a fluid to be treated, the input conduit in fluid communication with the fluid inlet on the treatment vessel; and an output conduit in fluid communication with the fluid outlet on the treatment vessel, the output conduit receives treated fluid from the treatment vessels via the fluid outlet.
In general, the present invention is directed to systems for treating water or wastewater. In accordance with some embodiments of the present invention, the system may utilize a vessel with a plurality of filter beds, at least one inlet, and at least one outlet, and the system may include: a first filtration bed comprising a first granular and/or angular media, the first media having a high surface area and configured for biological and physical treatment of the water or wastewater; a second filtration bed including a second granular and/or angular media, the second media having a lower surface area than the first media; wherein the water or wastewater enters the vessel via the at least one inlet, flows through the first filtration bed and the second filtration bed, and exits the vessel through the at least one outlet.
B01D 24/00 - Filtres à substance filtrante non agglomérée, c.-à-d. à substance filtrante sans aucun liant entre les particules ou les fibres individuelles qui la composent
B01D 24/46 - Régénération de la substance filtrante dans le filtre
B01D 29/62 - Régénération de la substance filtrante dans le filtre
In general, the present invention is directed to systems for treating water or wastewater. In accordance with some embodiments of the present invention, the system may utilize a vessel with a plurality of filter beds, at least one inlet, and at least one outlet, and the system may include: a first filtration bed comprising a first granular and/or angular media, the first media having a high surface area and configured for biological and physical treatment of the water or wastewater; a second filtration bed including a second granular and/or angular media, the second media having a lower surface area than the first media; wherein the water or wastewater enters the vessel via the at least one inlet, flows through the first filtration bed and the second filtration bed, and exits the vessel through the at least one outlet.
The present invention is generally directed to a versatile fluid treatment system which includes: a mobile device; a track system connected to the mobile device; one or more treatment vessels removably attached to the track system, each treatment vessel comprising a treatment material disposed inside the treatment vessel, at least one fluid inlet, and at least one fluid outlet; an input conduit that receives a fluid to be treated, the input conduit in fluid communication with the fluid inlet on the treatment vessel; and an output conduit in fluid communication with the fluid outlet on the treatment vessel, the output conduit receives treated fluid from the treatment vessels via the fluid outlet.
A process removes boron from ion exchange system regeneration solution including introducing a borate precipitator into the regeneration solution in a precipitation zone to generate borate precipitate; introducing a coagulator into the regeneration solution that coagulates solids and/or borate precipitate generated by the borate precipitator and absorbs boron into the solids; introducing the regeneration solution, solids and borate precipitate into a separation zone; introducing anionic polymer into the regeneration solution adjacent to or in the separation zone to increase the propensity of borate precipitate and solids to separate from the regeneration solution; and filtering the regeneration solution to remove residual suspended solids from the regeneration solution. Another process removes boron from ion exchange system regeneration solution including introducing a caustic material into the regeneration solution; heating the regeneration solution to a selected temperature; introducing heated regeneration solution into an evaporation zone to remove at least a substantial portion of water from the regeneration solution and thereby form a slurry comprising boron salt(s); and introducing the slurry into a crystallizer zone to remove residual water.
A method controls mass and heat loading of sludge feed into a fluidized bed combustor (FBC) controlled via regulation of a polymer dosage or a sludge feed rate including: continuously monitoring at least one performance characteristic of the FBC; producing an input signal characteristic; analyzing the input signal and determining a first rate of change of the characteristic; generating an output signal based on the first rate of change to control addition of polymer to the FBC; generating a second output signal to control addition of sludge feed to the FBC; and determining a transition point between the addition of polymer and addition of sludge, which transition point is an upper limit of a first rate change to maintain flow so that the value of the characteristic is maintained proximate at the upper limit.
F23G 5/04 - Procédés ou appareils, p. ex. incinérateurs, spécialement adaptés à la combustion de déchets ou de combustibles pauvres comportant un traitement préalable consistant en un séchage
F23G 5/30 - Procédés ou appareils, p. ex. incinérateurs, spécialement adaptés à la combustion de déchets ou de combustibles pauvres avec combustion dans un lit fluidisé
(1) Water treatment and wastewater treatment system namely filters, filter underdrains, process equipment and disinfection equipment, all applicable to municipal and industrial waters namely electric pumps, reactors, mixers, decanters and filters for physical, chemical or biological treatment of water.
13.
APPARATUS AND METHODS FOR INCINERATING SLUDGE IN A COMBUSTOR
A method of incinerating sludge in a combustor is disclosed including establishing at least one target performance characteristic of the combustor; introducing the sludge into the combustor as primary fuel; monitoring at least one performance parameter of the combustor; calculating an actual performance characteristic based on the performance parameter; and adjusting the quantity and/or quality of fuel introduced into the combustor in response to a monitored performance characteristic to substantially maintain the target performance characteristic. The apparatus for incinerating sludge includes a combustor adapted to receive sludge as fuel and incinerate the sludge; a sensor that monitors at least one performance parameter of the combustor; and a controller connected to the combustor and the sensor that 1) establishes at least one target performance characteristic of the combustor, 2) calculates an actual performance characteristic based on the performance parameter and 3) adjusts quantity and/or quality of fuel introduced into the combustor in response to a monitored performance characteristic to substantially maintain the target performance characteristic.
F23G 5/30 - Procédés ou appareils, p. ex. incinérateurs, spécialement adaptés à la combustion de déchets ou de combustibles pauvres avec combustion dans un lit fluidisé
F23G 7/00 - Procédés ou appareils, p. ex. incinérateurs, spécialement adaptés à la combustion de déchets particuliers ou de combustibles pauvres, p. ex. des produits chimiques
14.
SYSTEMS AND METHODS FOR CONTRACTING WITH MULTIPLE PARTIES
Systems and methods for contracting with multiple parties, by which the multiple parties agree to a single contracting instrument, are presented. The systems generally comprise one or more computing devices connected to a data source, each of which are controlled by one or more entities interested in initiating a project. The data source has stored thereon a contracting instrument adapted for designating multiple parties. The systems also include a means for receiving the contracting instrument. The methods generally include the steps of identifying two or more contractors and identifying an owner interested in engaging the plurality of contractors to work on a project. After the contractors and owner have been identified, a single contracting instrument is prepared designating the contractors and the owner as executing parties to the single contracting instrument, which may then be executed.
Systems and methods of treating flue gas and wastewater generated by treating the flue gas are disclosed and include introducing the flue gas, a flue gas treatment fluid that removes sulfur dioxide from the flue gas; and an organic acid conditioning agent into a wet-oxidation scrubber /absorber; (16, 14) introducing FGD scrubber wastewater generated by the wet-oxidation scrubber/absorber into an anoxic biological reactor (54) to substantially denitrify the FGD scrubber wastewater; and introducing resulting substantially denitrified FGD scrubber wastewater into an anaerobic biological reactor (56) to substantially reduce the amount of sulfate and/or selected heavy metals in the FGD scrubber wastewater.
Systems and methods of treating flue gas and wastewater generated by treating the flue gas are disclosed and include introducing the flue gas, a flue gas treatment fluid that removes sulfur dioxide from the flue gas; and an organic acid conditioning agent into a wet-oxidation scrubber/absorber; introducing FGD scrubber wastewater generated by the wet-oxidation scrubber/absorber into an anoxic biological reactor to substantially denitrify the FGD scrubber wastewater; and introducing resulting substantially denitrified FGD scrubber wastewater into an anaerobic biological reactor to substantially reduce the amount of sulfate and/or selected heavy metals in the FGD scrubber wastewater.
(1) Screenings presses used in water and wastewater treatment to dewater, compact, convey and/or clean solids captured by influent screening equipment.
37 - Services de construction; extraction minière; installation et réparation
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
(1) Maintenance services in the field of water and wastewater treatment.
(2) Periodic inspection services in the field of water and wastewater treatment and laboratory analysis services in the field of water and wastewater treatment.
(1) Composite liquid treating plants namely machines for mixing and for chemical treatment and sterilization of liquids, and for the separation of solids from liquid, and taste and odor removal plants, and parts of such composite plants.
(1) Services relating to structuring business transactions namely consulting services in the field of water and wastewater treatment for business acquisition and merger; services relating to structuring agreements between two or more business entities namely business administration, management, networking consulting services in the field of water and wastewater treatment.
(1) Services relating to structuring business transactions namely consulting services in the field of water and wastewater treatment for business acquisition and merger; services relating to structuring agreements between two or more business entities namely business administration, management, networking consulting services in the field of water and wastewater treatment.
09 - Appareils et instruments scientifiques et électriques
11 - Appareils de contrôle de l'environnement
Produits et services
(1) Machines for slaking lime; machines for manufacturing carbon dioxide; machines for manufacturing of ozone; submerged turbine or paddle mixers for dispersion of air, carbon dioxide or ozone in water, waste water or sewage; turbine or paddle mixers for mixing or for inducing flocculation; comminuters; belt type sludge dewatering presses; aerators for water, waste water or sewage; filter systems to remove suspended materials, oil or other contaminants from water, and parts thereof; solids contact reactors for the clarification, color removal and/or softening of water; ion exchangers and their regeneration systems; reverse osmosis systems; solids contact reactors for the clarification, softening, phosphate reduction, metallic ion reduction, or combinations thereof of water, waste water or sewage; screens used in water purification; clarifier systems to remove suspended materials by sedimentation or flotation or combination of the two, and parts thereof; digester systems for wastewater or sewage sludges; activated sludge treatment systems; grit removers employing controlled settling to separate grit from the organics carried by wastewater or sewage; instruments namely, rate of flow meters; rate of flow controllers; liquid level gauges, pressure gauges and differential pressure gauges; system for dispensing chemicals or their solutions by weight or volume, comprising rotating auger-like screws, travelling belts, scales, storage and dilution tanks, and pumps; signalling and supervisory system for the automatic control of water treatment systems, comprising switches, indicating lights, electrical relays, time switches, programmable controllers, minicomputers and panels and boxes for housing them.
(2) Machines for slaking lime; machines for manufacturing carbon dioxide; machines for manufacturing of ozone; submerged turbine or paddle mixers for dispersion of air, carbon dioxide or ozone in water, waste water or sewage; turbine or paddle mixers for mixing or for inducing flocculation; comminuters; belt type sludge dewatering presses; aerators for water, waste water or sewage; filter systems to remove suspended materials, oil or other contaminants from water, and parts thereof; solids contact reactors for the clarification, color removal and/or softening of water; ion exchangers and their regeneration systems; reverse osmosis systems; solids contact reactors for the clarification, softening, phosphate reduction, metallic ion reduction, or combinations thereof of water, waste water or sewage; screens used in water purification; clarifier systems to remove suspended materials by sedimentation or flotation or combination of the two, and parts thereof; digester systems for wastewater or sewage sludges; activated sludge treatment systems; grit removers employing controlled settling to separate grit from the organics carried by wastewater or sewage; instruments namely, rate of flow meters; rate of flow controllers; liquid level gauges, pressure gauges and differential pressure gauges; system for dispensing chemicals or their solutions by weight or volume, comprising rotating auger-like screws, travelling belts, scales, storage and dilution tanks, and pumps; signalling and supervisory system for the automatic control of water treatment systems, comprising switches, indicating lights, electrical relays, time switches, programmable controllers, minicomputers and panels and boxes for housing them; sludge incineration systems (HTFB), biological treatment of water and wastewater and the UV treatment of water.
