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US20130341268 METHOD AND SYSTEM FOR TREATING WASTEWATER  
Treating distilled water with bacteria and other micro-organisms to remove nitrogen compounds from the distilled water. The distilled water may be produced from pretreating and distilling...
US20110315626 METHOD AND SYSTEM FOR TREATING DOMESTIC SEWAGE AND ORGANIC GARBAGE  
A method and system for treating domestic sewage and organic garbage are provided. The method comprises the steps of: multi-phase separation, retting, generating sewage gas, and optional...
US20100018919 SYSTEM FOR TREATING RECIRCULATION NUTRIENT USING FLOATING MEDIA  
A system for treating recirculating nutrients using floating media is disclosed. The system is operated in such way that wastewater influent path is changed between a first mode and a second mode...
US20140083934 Biological two-stage contaminated water treatment system  
The systems may be used for treatment of water that contains contaminants. Water containing at least one of a nitrate, percholate, chromate, selenate and a volatile organic chemical is combined...
US20120006745 Methods and Systems for Producing Granules of Biomass in the Treatment of Wastewater  
Methods and systems for the production of granules of biomass in the treatment of wastewater. Organic matter is removed from wastewater in an anaerobic zone and then in an aerobic zone. Waste...
US20050274669 Wastewater treatment system  
A modular, fully integrated, automatically controlled and transportable wastewater treatment system, including a support member, a bioreactor located on the support member, an aeration device, a...
US20140319053 METHOD AND A SYSTEM FOR OUT-COMPETING GLYCOGEN-ACCUMULATING ORGANISMS IN A SUBSTANCE  
A method and a substance treatment system for reducing a ratio of Glycogen-Accumulating Organisms relative to the total amount of Glycogen-Accumulating Organisms and Polyphosphate-Accumulating...
US20100072131 MEMBRANE BIOREACTOR  
The present invention relates to wastewater treatment facilities, and more particularly to an improved membrane bioreactor for treatment of wastewater. In one embodiment, a membrane bioreactor for...
US20140027374 HYBRID AEROBIC AND ANAEROBIC WASTEWATER AND SLUDGE TREATMENT SYSTEMS AND METHODS  
A hybrid method and system of treating wastewater with reduced energy usage is disclosed. The treatment system has a sorption system, an anaerobic digester that digests or converts at least a...
US20140021130 HYBRID AEROBIC AND ANAEROBIC WASTEWATER AND SLUDGE TREATMENT SYSTEMS AND METHODS  
A hybrid method and system of treating wastewater with reduced energy usage is disclosed. The treatment system has a sorption system, an anaerobic digester that digests or converts at least a...
US20110089105 HYBRID AEROBIC AND ANAEROBIC WASTEWATER AND SLUDGE TREATMENT SYSTEMS AND METHODS  
A hybrid method and system of treating wastewater with reduced energy usage is disclosed. The treatment system has a sorption system, an anaerobic digester that digests or converts at least a...
US20140116937 APPARATUS AND METHOD FOR SEWAGE SLUDGE TREATMENT AND ADVANCED SEWAGE TREATMENT  
A sludge treatment apparatus includes an aeration tank serving to degrade microorganisms other than Bacillus sp. in sludge to produce organic matter to thereby activate Bacillus sp.; a poor...
US20130015124 APPARATUS AND METHOD FOR ALTERNATIVE AERATION-EFFLUENT WASTEWATER TREATMENT USING CERAMIC MEMBRANE  
Disclosed are apparatus and method for alternative aeration-effluent wastewater treatment using a ceramic membrane, which allows the biological treatment to be performed sufficiently in an...
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....
US20130327709 METHOD AND SYSTEM FOR TREATING WASTEWATER AND SLUDGES BY OPTIMIZING sCO2 FOR ANAEROBIC AUTOTROPHIC MICROBES  
The present invention describes a method of optimizing CO2 concentration to increase the specific growth rate of Anammox bacteria and methanogens in wastewater and sludge treatment, as well as...
US20140034573 HYBRID AEROBIC AND ANAEROBIC WASTEWATER AND SLUDGE TREATMENT SYSTEMS AND METHODS  
A hybrid method and system of treating wastewater with reduced energy usage is disclosed. The treatment system has a sorption system and an anaerobic digester that digests or converts at least a...
US20120043277 CONTACT-STABILIZATION/PRIME-FLOAT HYBRID  
Systems and methods for treating wastewater including a dissolved air flotation operation performed upon a portion of a mixed liquor output from a contact tank prior to the mixed liquor entering a...
US20140124440 METHOD FOR REMOVING GENES ENCODING ANTIBIOTIC RESISTANCE  
A method for removing antibiotic resistance genes (ARGs). The method includes the following steps: 1) coagulation and sedimentation of waste water; 2) biochemical treatment; 3) disinfection by...
US20090014383 On/off site water reclamation system  
This on/off-site WATER RECLAMATION SYSTEM is disclosed suitable for domestic or other sewage. After separation of the settleable solids, the effluent is passed into a basin holding particles of a...
US20140263042 SIMULTANEOUS ANOXIC BIOLOGICAL PHOSPHORUS AND NITROGEN REMOVAL  
Methods and systems are provided for treating wastewater to simultaneously remove nitrogen, carbon, and phosphorus. The process includes an anoxic tank that receives at least two streams,...
US20120067816 SIMULTANEOUS ANOXIC BIOLOGICAL PHOSPHORUS AND NITROGEN REMOVAL  
Methods and systems are provided for treating wastewater to simultaneously remove nitrogen, carbon, and phosphorus. The process includes an anoxic tank that receives at least two streams,...
US20140197097 Simultaneous Anoxic Biological Phosphorus and Nitrogen Removal with Energy Recovery  
Methods and systems are provided for treating wastewater to simultaneously remove nitrogen, carbon, and phosphorus, while recovering energy in the form of methane and carbon dioxide. An...
US20120067817 SIMULTANEOUS ANOXIC BIOLOGICAL PHOSPHORUS AND NITROGEN REMOVAL WITH ENERGY RECOVERY  
Methods and systems are provided for treating wastewater to simultaneously remove nitrogen, carbon, and phosphorus, while recovering energy in the form of methane and carbon dioxide. An...
US20120012525 REFUSE LANDFILL LEACHATE WASTEWATER TREATMENT SYSTEM AND TECHNOLOGY  
This invention relates to a refuse landfill leachate wastewater treatment system comprising a collection well, an adjustment tank, a filter, a comprehensive treatment system having a multi-stage...
US20130092628 Wastewater Treatment Method, System and Pollutant Decomposition Activity Measuring Method  
The wastewater treatment method includes, when raw water is subjected to an activated sludge treatment, performing a first sludge returning step: a step of returning sludge, which was previously...
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...
US20110079554 METHOD FOR TREATING MIXED WASTEWATER FROM PHARMACEUTICAL CHEMICAL INDUSTRY PARK  
A method for treating mixed wastewater from pharmaceutical chemical industry parks including introducing mixed wastewater into a regulation tank for regulation of water flow and water quality, and...
US20120305476 TREATMENT METHOD FOR REDUCING THE PRODUCTION OF AN H2S COMPOUND IN AQUEOUS EFFLUENTS PASSING INTO A PIPE  
A treatment method for reducing or preventing the production of sulfide compounds of hydrogen such as H2S dissolved in aqueous effluent constituents of waste water passing through a conduit of a...
US20140217015 USE OF PRIMARY SLUDGE FOR CARBON SOURCE IN AN AERATED-ANOXIC BIOREACTOR SYSTEM  
A method and system of treating wastewater using primary sludge is disclosed. The treatment system includes a primary separator that separates a carbon source comprising non-solubilized suspended...
US20120187042 Method of biological phosphorus removal with maximum nitrogen removal in wastewater  
A method for removing phosphorus and nitrogen from an activated sludge wastewater treatment system is provided consisting of one or more anaerobic zones followed by two or more activated sludge...
US20130341267 TREATMENT FOR MOLASSES SPENT WASH AND OTHER WASTEWATERS  
Disclosed is a process and apparatus that uses multiple stages or unit processes to treat wastewater, such as distillery spent wash which may be molasses spent wash (MSW). The stages include one...
US20150014245 MODULAR WASTEWATER TREATMENT PLANT  
The invention relates to a wastewater treatment plant, specifically a modular plant for the treatment of organic wastewater, in which the number of devices depends on the amount of water to be...
US20110100904 METHOD AND UNIT FOR THE PURIFICATION OF WASTEWATER WITH AEROBIC GRANULAR SLUDGE  
The invention relates to a biological wastewater purification method using a reactor including a first compartment (2) and a second compartment (4), the lower parts of which are communicated with...
US20120234751 WASTEWATER PRETREATMENT METHOD AND SEWAGE TREATMENT METHOD USING THE PRETREAMENT METHOD  
A pretreatment method is provided, which comprises the following steps: (1) wastewater feed is introduced into a first end of a first aeration basin, and is mixed with a first concentrated mixed...
US20120305477 SOLIDS RETENTION TIME UNCOUPLING BY SELECTIVE WASTING OF SLUDGE  
Fluorescence in situ hybridizations were used to identify and determine the abundance of nitrifying bacteria and Anammox bacteria (recycling bacteria) in freshly settled sludge of biological...
US20150068976 PROCESS FOR TREATING AN EFFLUENT FOR THE PURPOSE OF BRINGING DOWN THE PHOSPHATE CONTENT THEREOF, COMPRISING A STEP OF OPTIMIZED WET HEAT TREATMENT, AND CORRESPONDING EQUIPMENT  
The invention pertains to a method for treating an effluent to be treated in order to reduce its phosphates content, said method comprising a step of anoxic biological treatment of said effluent...
US20140138308 Optimized Process and Aeration Performance with an Advanced Control Algorithm  
An automatically controlled wastewater treatment process can include automatically controlling nitrification and denitrification capacity in a water source. The nitrification and denitrification...
US20150210577 PROCESS FOR REDUCING THE PRODUCTION OF SLUDGE BY MUNICIPAL OR INDUSTRIAL WASTEWATER PURIFICATION PLANTS, AND EQUIPMENT FOR THE IMPLEMENTATION THEREOF  
A process for reducing the production of sludge by municipal or industrial wastewater purification plants, comprising a step of mesophilic or thermophilic anaerobic digestion (20), or anaerobic...
US20100288696 METHOD FOR TREATMENT OF SLUDGE  
A method for treatment of sludge with a facultative-organism-adapted membrane bioreactor by providing a sludge treatment system comprising a facultative digestion tank, a membrane module, an...
US20130319936 METHOD FOR THE BIOLOGICAL TREATMENT OF WASTEWATER USING AN AEROBIC GRANULAR BIOMASS  
A method for the biological treatment of wastewater containing pollutants, using an aerobic biomass, includes a plurality of successive cycles of a predefined duration in order to achieve...
US20090008324 INTERMITTENT ANAEROBIC BIOLOGICAL TREATMENTS OF RAINFALL-INDUCED SEWERAGE  
The present invention relates to the application of the biological adsorption and biological oxidation ability of both conventional wastewater treatment biological selection technology and, if...
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...
US20060027496 Microbial manure treatment system  
In another form of the invention, there is provided a system for treating a manure slurry, comprising: a manure lagoon comprising: a lower anaerobic stratum comprising anaerobic microbes; an upper...
US20100059437 Passive Underground Drainfield For Septic Tank Nutrient Removal Using Functionalized Green Filtration Media  
Methods, systems and compositions for a green sorption media for bioretention soil amendments in drainfields for on-site waste water systems filled with the green sorption media to foster an...
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...
US20070209997 Continuous flow biosolids stabilization  
A continuous flow wastewater treatment process is implemented for stabilizing biosolids. Sludge from a mesophyllic digester flows through heat exchangers to raise the temperature to a...
US20070235385 Aerated Anoxic Membrane Bioreactor  
A process for treating biological oxygen demand (BOD), nitrogen and phosphorus containing wastewater, wherein the process includes providing wastewater influent to an oxygen-deficit aeration zone...
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,...
US20120006742 Treatment method reducing wastewater influent chemical/pharmaceuticals before biological reduction to enhance sewage treatment  
A sulfurous acid/alkalinization pre-treatment method for wastewaters to condition and remove a number of chemicals/pharmaceuticals and heavy metals before the recovered treated influent undergoes...
US20060124541 Treatment of waste activated sludge  
A process for treatment of waste activated sludge from a BNR process, which includes the steps of: (a) concentration of the activated sludge from a total solids content (dry weight) of 0.1-1.0%...

Matches 1 - 50 out of 206 1 2 3 4 5 >