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US20140311972 NITRIFICATION METHOD AND SYSTEM  
A method and nitrification system for nitrifying a centrate stream produced from dewatering sludge within a wastewater treatment facility in which the centrate stream into a nitrification reactor...
US20080296220 Water Treatment  
An apparatus for the biological treatment of saltwater-based domestic wastewater, the apparatus having an inlet for the introduction of the saltwater-based domestic wastewater, an outlet for the...
US20120223012 WASTE SLUDGE DIGESTION PROCESS BY SEQUENTIAL INTERMITTENT OZONE DOSING  
This invention is developed by including the intermittent sequential ozonation process to the commonly employed aerobic biological sludge digestion process, which is used for reducing the amounts...
US20050126993 Aerator alarm unit  
The Aerator Alarm Unit (“AAU”) is a device which simultaneously aerates the aerobic tank of a sewage treatment device, while monitoring the performance of both the sewage treatment device and the...
US20130277302 WATER TREATMENT SYSTEM  
A treatment system for removing a plurality of pollutants from wastewater includes a removal device for removing a plurality of gross solids from the wastewater, an aeration device for reducing a...
US20100038311 Entrapping immobilization pellets, wastewater treatment system using the entrapping immobilization pellets and wastewater treatment method  
The entrapping immobilization pellets satisfy conditions: (A) the deformation rate expressed by (H0−H1)/H0×100 is 70% or more, where the thickness of the pellets before compression is H0 and the...
US20140263045 GASIFICATION WASTE WATER TREATMENT USING AIR SEPARATION UNIT OXYGEN  
In one embodiment, a method includes gasifying a fuel source using a first oxygen stream supplied from an air separation unit (ASU), discharging a gasifier blowdown from a gasification and...
US20140246369 WASTEWATER TREATMENT PROCESS AND SYSTEM  
A process and system for treating wastewater is described. The invention degrades sludge produced by treatment of the wastewater to reduce or eliminate the need for sludge dewatering and disposal....
US20110042309 SOLAR POWERED AERATION AND MICROBIAL INCUBATION SYSTEM  
Disclosed is a system and method for treating a body of water, without the necessity of being connected to an electrical grid, that includes photovoltaic collectors and a battery bank that is...
US20070181495 Method of operating a sewage system and such a sewage system  
The invention relates to a method for operating a sewage system for draining waste water. According to the invention, oxygen is artificially and periodically added to the waste water, for example...
US20150108068 MICROBIAL FUEL CELL AERATOR  
A device for mixing and aerating a body of water, the device includes a microbial fuel cell comprising an anode and a cathode; an electricity management subsystem electrically connecting the anode...
US20100072130 CONTAMINATED INFLOW TREATMENT WITH MEMBRANE DISTILLATION BIOREACTOR  
A membrane distillation bioreactor (100) is provided for treating contaminated inflow such as wastewater. A contaminated inflow may be treated by biodegrading a contaminant in the inflow with a...
US20140339157 Systems and Methods for Achieving Partial Nitrification in a Biological Nitrogen Removal Reactor  
Methods of controlling a nitrification reaction in a biological nitrogen removal reactor to favor partial nitrification of ammonia to nitrite instead of complete oxidation of ammonia to nitrate...
US20140076803 "IN-SITU" BALLAST WATER TREATMENT METHOD AND SYSTEM  
A method and system for ballast water treatment is provided for a vessel with a ballast water tank system that pumps water from a local environment through a conduit into at least one tank on the...
US20140353252 Method of Supplying Engineered Waters for Drilling and Hydraulic Fracturing Operations for Wells and Recapturing Minerals and Other Components from Oil and Gas Production Waste Waters  
A method of supplying engineered water for drilling or hydraulic fracturing of wells, where the water comes from either fresh sources or is recycled from drilling or hydraulic fracturing...
US20120118820 Septic System with Pressure Gradient Transport  
Septic system design, installation, maintenance and use are described and provided. In embodiments, design, installation, and maintenance of pressure gradients in a septic system serve to...
US20080000832 MEMBRANE BIOREACTOR HAVING SINGLE HEADER MEMBRANE MODULE  
A cartridge apparatus for water treatment includes a header having a permeate cavity, a plurality of support elements spaced apart from the header, and a plurality of subgroups of hollow fiber...
US20150122732 METHOD OF TREATING WATER USING PETROLEUM COKE AND A pH-LOWERING AGENT  
A process for treating water containing dissolved organic compounds, including naphthenic acids, for example, oil sands process water, using petroleum coke is provided, comprising: removing...
US20140183129 MIXING SYSTEMS AND METHODS OF MIXING  
A system for mixing and mixing processes and structures are disclosed. In addition a nozzle used for mixing is disclosed.
US20120312745 MIXING SYSTEMS AND METHODS OF MIXING  
A system for mixing and mixing processes and structures are disclosed. In addition a nozzle used for mixing is disclosed.
US20110084416 MIXING SYSTEMS AND METHODS OF MIXING  
A system for mixing and mixing processes and structures are disclosed. In addition a nozzle used for mixing is disclosed.
US20110000850 WATER TREATMENT  
A process for the treatment of water comprising at least the steps of: (a) providing the water in laminar flow; and (b) providing bubblefree aeration to the water. The present invention introduces...
US20120085705 Wastewater chemical/biological treatment method for open water discharge  
A wastewater treatment method employing chemicals for disinfection, and precipitation of suspended solids, heavy metals and phosphates before subsequent aerobic bacterial biological treatment...
US20110011800 BIOLOGICAL NITROGEN REMOVAL  
The present invention relates to a method of treating a liquid to extract at least one of carbon, sulphur, nitrogen or phosphate from liquids such as waste water. Preferably, the invention is...
US20140315716 Novel Bacillus Strains and Compositions  
In one aspect, the present invention relates to novel Bacillus strains ENV 734 (NRRL B-50800), ENV 735 (NRRL B-50801), ENV 736 (NRRL B-50802), and ENV 737 (NRRL B-50803). These strains possess a...
US20090039015 Method of Wastewater Treatment with Excess Sludge Withdrawal Reduced  
A method of wastewater treatment that reduced equipment cost and running cost and realizes high efficiency implementation and further tank miniaturization, and that reduces excess sludge...
US20090145844 SEQUENCING BATCH MEMBRANE BIOREACTOR AND METHOD THEREOF  
A sequencing batch membrane bioreactor is provided, comprising a wastewater reservoir, at least one sequencing batch bioreactor, and a membrane reactor. The wastewater reservoir collects and...
US20110100908 Waste Water Treatment  
In the treatment of domestic and municipal waste water environmental pollutants, such as ammonia, oxides of nitrogen, organic matter which gives rise to what is known as chemical oxygen demand...
US20150021264 TREATMENT METHODS AND TREATMENT SYSTEMS FOR PLANT EFFLUENTS  
A plant effluent treatment method includes a mixing treatment step that mixes a microorganism activating agent into plant effluent containing organic compounds as discharged from a chemical plant,...
US20130189765 ALGAL BIO-FLOCCULATION BY INACTIVATION OF PHOTORECEPTORS  
The present invention relates to a method to induce alga and/or diatom cell bio-flocculation comprising inactivation of the expression of at least one photoreceptor in said alga and/or diatom,...
US20140360934 AERATION OF LIQUID SUITABLE FOR AQUEOUS WASTE TREATMENT  
Aerator kit comprising a body defining a fluid-flow channel, and a nozzle insert disposed inside said body as such forming together a venturi aerator which is useful for aerating aqueous waste....
US20120152836 PROCESS TO PRODUCE BIOFUELS FROM BIOMASS  
Biofuels can be produced by: (i) providing a biomass containing celluloses, hemicelluloses, lignin, nitrogen compounds and sulfur compounds; (ii) removing sulfur compounds and nitrogen compounds...
US20110278221 INSTALLATION FOR THE TREATMENT OF UREA-CONTAINING WATER, TOILET, STABLE, AND METHOD  
The invention relates to a device for treating urea-containing water. The invention also relates to a domestic toilet provided with such a device. The invention also relates to an animal...
US20100252500 TREATMENT OF SPENT CAUSTIC WASTE  
Systems and methods are provided for the treatment of caustic wastewater. Specifically, systems and methods are provided for combining refinery spent caustic and ethylene spent caustic solutions...
US20080006576 Aquarium purifier and aquarium purification method  
The aquarium purifier of the invention includes a microaerophilic treatment tank and an aerobic treatment tank which microbiologically treat discharged water from an aquarium. Air in the...
US20070102355 Clarification process and decomposition arrangement  
A clarification process for the substantially aerobic purification of sewage containing biological waste, in particular kitchen and household waste, is described as well as in particular a...
US20140116939 METHOD FOR WASTEWATER TREATMENT BY URINE SEPARATION, SEAWATER ADDITION, AND NITRIFICATION AND IN-SEWER DENITRIFICATION  
A method for wastewater treatment which comprises (a) separating and/or collecting urine from the wastewater for pretreatment, (b) removing phosphorus from urine using seawater, (c) optionally...
US20120305478 Method of Treating Wastewater and Producing an Activated Sludge Having a High Biopolymer Production Potential  
A method or process is provided for treating wastewater and producing a polyhydroxyalkanote (PHA)-storing biomass. The method or process entails biologically treating wastewater and in one process...
US20130256224 Tanning wastewater treatment and reuse apparatus and method therefor  
A tanning wastewater treatment and reuse apparatus includes a coarse filter, a regulation pool, a hydraulic sieve, a desulfurization pool, a first nanocatalytic electrolyzer, a flocculation pool,...
US20130228512 High Performance Nitrifying Sludge for High Ammonium Concentration and Low Temperature Wastewater Treatment  
Compositions of bacteria which are effective for the nitrification of wastewater, particularly at low temperatures, are described. The compositions are comprised of 35 strains or populations of at...
US20130199997 Method of Treating Municipal Wastewater and Producing Biomass with Biopolymer Production Potential  
A method of biologically treating wastewater and removing contaminants from the wastewater is disclosed. In the course of treating the wastewater, biomass is produced. In addition to removing...
US20110000851 High Performance Nitrifying Sludge For High Ammonium Concentration and Low Temperature Wastewater Treatment  
Compositions of bacteria which are effective for the nitrification of wastewater, particularly at low temperatures, are described. The compositions are comprised of 35 strains or populations of at...
US20100227381 ENHANCED BIODEGRADATION OF NON-AQUEOUS PHASE LIQUIDS USING SURFACTANT ENHANCED IN-SITU CHEMICAL OXIDATION  
A method for in-situ reduction of contaminants in soil that uses chemical oxidation and biodegradation.
US20060070948 Aerobic bacterial generator for pond and fish culture facility water quality management  
The invention described herein provides a novel modification of an aerobic bacterial generator, typically used for sewage wastewater treatment. By providing a pre-filter one creates the equivalent...
US20150068977 INTEGRATED MEMBRANE SYSTEM FOR DISTRIBUTED WATER TREATMENT  
Integrated membrane treatment systems for treatment of an aqueous solution. In embodiments, components, such as an MBR, are integrated with means to recover energy from the system, for example...
US20130032533 INTEGRATED MEMBRANE SYSTEM FOR DISTRIBUTED WATER TREATMENT  
Integrated membrane treatment systems for treatment of an aqueous solution. In embodiments, components, such as an MBR, are integrated with means to recover energy from the system, for example...
US20150166379 Wastewater Treatment System  
A dual tank wastewater treatment system for performing an extended aeration process to provide a natural, biological breakdown of the organic matter in wastewater using, for example, but not...
US20130075327 REACTOR SETUP  
The present invention provides a process for reducing the start-up time of an aerobic granular sludge reactor, said process comprising starting said reactor with an active biomass comprising...
US20110290722 ACTIVATED SLUDGE PROCESS IN WASTEWATER TREATMENT  
The present disclosure relates to methods of treating highly contaminated wastewater using waste activated sludge as an adsorbent.
US20130256222 METHODS FOR ENHANCING A WASTEWATER TREATMENT PROCESS  
Methods for enhancing an activated sludge process including at least one biological reactor. A weighting agent impregnation subsystem is coupled to the biological reactor for mixing biological...
Matches 1 - 50 out of 157 1 2 3 4 >