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9039897 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...
9023209 Systems and methods for converting gaseous byproducts of wastewater treatment into energy  
A method for removing methane from biogas is described. The method includes: (i) receiving biogas including methane and other components into a first tank; (ii) receiving water into the first...
9005442 Anaerobic lagoon or tank design for eflluent carbon to nitrogen ratio control  
An anaerobic lagoon wastewater treatment system, which includes a plurality of wastewater treatment zones. The treatment zones are either formed by providing a plurality of separate lagoons or by...
9005443 Compartmentalized anaerobic digesters  
An anaerobic digestion device includes a digester body configured to receive organic waste and a plurality of plates coupled to one another so as to divide an interior volume of the digester body...
8999164 Process for the purification of an aqueous stream coming from the fischer-tropsch reaction  
Process for the purification of an aqueous stream coming from the Fischer-Tropsch reaction which comprises: —feeding said aqueous stream containing the organic by-products of the reaction to a...
8980089 High-rate anaerobic pool bioreactor  
The present application relates to a high-rate anaerobic pool bioreactor (“BLAAT”) as an improved processing unit for treating biodegradable wastewater, which allows the conversion of a...
8974669 Thermally enhanced integrated wastewater treatment system  
Novel methods and systems for efficient and economic treatment of wastewater, and other fluidized and solid organic wastes, comprise heating the aerobic digestion process with waste heat given off...
8973491 System for processing primary food product waste into secondary food product  
A system for producing secondary food product from primary food product waste is disclosed that comprises several modular subsections: a staging subsystem, a processing subsystem, a drying...
8936725 Engineered wetland device of continuous operation for wastewater treatment under low temperature  
Constructed wetland wastewater treatment equipment under low temperature for continuous operation which includes: three-section substrates filled in a constructed wetland, ventilation pipes being...
8932466 Method and apparatus for sluge treatment and use thereof in sewage biotreatment  
The present invention provides a method for sludge treatment, comprising the following steps: (1) mixing a sludge feed from a sewage biotreatment process with a first mixed liquor to obtain a...
8926841 System and method for converting organic waste into methane and other useful products  
An organic waste processing system and method for producing a slurry for the production of bio-gas, transportation fuels and chemical products, and a residual solid. The system includes (i) a...
8911627 Systems and method for biomass digestion  
Provided herein are systems and methods for biomass digestion and products formed thereof. The products include one or more biogases, U.S. Environmental Protection Agency classified Class A...
8900456 Method of treating a plant wastewater and treatment system therefor  
A method of treating wastewater containing an organic compound includes feeding wastewater to an anoxic tank, adding compounds containing nitrogen and phosphorus components to wastewater,...
8894855 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...
8894854 Digester for high solids waste  
A digester with separate stages for hydrolysis and methanogenesis is disclosed. The digester includes a leachate bay reactor, which may be configured as modular, multi-bay units. Waste material is...
8877490 Fermenter for generating biogas from pumpable organic material  
The invention relates to a fermenter for generating biogas from pumpable organic material with a low content of organic dry matter (oTS), comprising at least one inlet for the pumpable organic...
8871094 Wastewater treatment facility and bioreactor for treating wastewater from oil and gas exploration and production  
Volatile organic compounds (VOCs), such as BTEX methanol and other non-phase separable hydrocarbons may be removed from wastewater obtained from oil or gas exploration or production operations by...
8864992 Phosphate recovery from acid phase anaerobic digesters  
A method for recovering phosphate from sewage treatment plants using multi-stage anaerobic digestion includes the treatment of organic acid digest with calcium hydroxide, calcium oxide, and...
8801930 Method and apparatus of solid wastes automatic collection ductwork evacuation and comprehensive utilization  
The method and apparatus for the solid wastes automatic collection pipeline transportation and comprehensive utilization contemplated to reach a easily dropping, automatically collecting,...
8801931 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...
8765449 Three stage, multiple phase anaerobic digestion system and method  
A three stage, multiple phase anaerobic digestion system and method designed to separate the biological phases, optimize microbial activity in each phase, and significantly increase system...
8758614 Anaerobic membrane bioreactor for treating a waste stream  
A waste stream having anaerobically biodegradable components is fed to an anaerobic reactor where the components react with microorganisms to biodegrade the components and produce biomass and...
8758615 Systems and methods for anaerobic digestion of biomaterials  
Systems and methods for performing anaerobic digestion of biomaterials using a clarifier, a batch reactor, and/or a digester are disclosed. The clarifier performs pretreatment processing of...
8758613 Dynamic anaerobic aerobic (DANA) reactor  
An anaerobic water purification system including an anaerobic water purification unit receiving water to be treated and providing an anaerobic-treated water output and biomass carriers for...
8758616 Zero-valent iron two-phase anaerobic reactor  
The invention, belongs to the field of wastewater treatment technology, is a two-phase anaerobic reactor enhanced by addition of zero valent iron (ZVI). In the reactor, 2˜4 ZVI-filling layers are...
8753876 Energy recovery system  
An apparatus and method for recovering thermal energy from boiler stack exhaust gases and using the thermal energy in biomaterial processing. The apparatus and method include means to improve the...
8741142 Four stage anaerobic digester  
A multistage anaerobic digester for treatment of wastewater including complex organic polymers, includes a hydrolysis stage converting the complex organic polymers received at an inlet to...
8734647 Process for the biologic treatment of organic wastes and plant therefor  
Process for the biological treatment of organic wastes, includes a first anaerobic digestion phase and a second aerobic digestion phase in succession, a respective filtration phase of the solid...
8728318 Settling device, purifier comprising a settling device and methods for anaerobic or aerobic purification of waste water  
A three phase separator or settling device (2) or a digester (1) including the settling device. The settling device can receive a fluid containing liquid, gas and particulate material. The...
8715501 Solid waste digestion system  
A system for digesting biodigestible feed that preferably includes the steps of comminuting the feed, introducing feed, an oxygen-containing gas, an accelerant, and bacteria into a digestion zone,...
8691094 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...
8691093 Anaerobic waste treatment apparatus  
An anaerobic waste treatment apparatus comprises a container wherein randomly oriented bio-film media are disposed. An example waste treatment apparatus includes a container and optionally has at...
8685246 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...
8663473 Digestion of biosolids in wastewater  
A method enhancing biological digestion of wastewater sludge is provided. The method uses chlorine dioxide to accelerate and improve the efficiency of aerobic or anaerobic digestion.
8663468 Reactor for anaerobic purification of waste water including multi-phase separator devices  
A reactor for anaerobically purifying waste water, such as waste water from the paper industry, includes a reactor vessel that has at least one inlet for supplying waste water to be purified into...
8637299 Method for capture carbon and storage (CCS process) from coal fuel gas and the storage as biofuels: oil, gasoline, biodiesel, jet fuel, ethanol, and methane  
A Capture Carbon Storage (CCS) Process for the economical capture of carbon dioxide from coal fuel gas, and the storage of the carbon dioxide as lipid oil or the use of the environmentally begin...
8608965 Gas actuated mixing system and method  
A gas bubble agitated mixing system for viscous fluids comprising: a container (1) in which a viscous fluid (2) may be held; one or more gas pipes (6), each gas pipe having an outlet (8) arranged...
8580219 Ammonium recovery methods  
The methods are utilized to recover ammonium from waste water using CO2 acidified absorption water. The process is particularly suited for utilization of cellular matter and a CO2 rich tail gas...
8580113 Method for utilizing internally generated biogas for closed membrane system operation  
In an anaerobic membrane bioreactor (“MBR”), a closed anaerobic process tank contains a membrane filter or is connected to an external tank containing a membrane filter. A pocket of biogas...
8568591 System and method for thermophilic anaerobic digester process  
A new approach is proposed that contemplates systems and methods to support an environmentally-friendly, “green” thermophilic anaerobic digestion system. The system includes a thermophilic...
8568590 Phosphate recovery from acid phase anaerobic digesters  
A method for recovering phosphate from sewage treatment plants using multi-stage anaerobic digestion includes the treatment of organic acid digest with calcium hydroxide, calcium oxide, and...
8507228 Carbon capture in fermentation  
The invention relates to methods of capturing carbon by microbial fermentation of a gaseous substrate comprising CO. The methods of the invention include converting CO to one or more products...
8506809 Method and apparatus for producing bio-gas employing technology for improving quality of raw material fed thereto  
Disclosed are a method and an apparatus for production of bio-gas, capable of improving quality of a raw material to be fed thereto. Among the raw material, a part free from inhibitory materials...
8486359 Ammonium recovery from waste water using CO2 acidified absorption water  
The processes are utilized to recover ammonium from waste water using CO2 acidified absorption water. The process is particularly suited for utilization of cellular matter and a CO2 rich tail gas...
8480901 Methods and products for biomass digestion  
Provided herein are methods and products for biomass digestion, which includes the production of biogas, U.S. Environmental Protection Agency classified Class A Biosolids, and pathogen reduced...
8470177 Method and apparatus for anaerobic digestion of organic liquid waste streams  
A system and method for treating high-strength organic liquid waste. Generally, the method includes feeding influent high-strength organic liquid waste including organic molecules to an anaerobic...
8465645 Renewable energy microgeneration system  
A renewable energy microgeneration system is disclosed. The system comprises one or more portable containers that include a plurality of small holding tanks that are configured to perform at least...
8460437 Method for biogas treatment  
The present invention provides a method and apparatus for the treatment of process gas from an anaerobic digestion system or a landfill gas system. In one embodiment, the system comprises a...
8445259 Method and apparatus for treatmet of sludge  
An enhanced apparatus and a method for treating organic sludge is constructed such that the sludge is first dewatered with a first dewatering device; the dewatered sludge is passed through a...
8444854 Process for the treatment of wastes combining a phase of treatment by methanization and a phase of thermophilic aerobic treatment  
The present invention relates to the treatment of organic liquid and solid waste, comprising a first stage of treatment of the liquid content fraction of the waste by methanization, a second stage...