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US20050274668 |
Method and apparatus for the treatment of particulate biodegradable organic waste
A method for treating particulate biodegradable organic waste includes adjusting the pH as necessary to provide an acidic pH prior to introducing the waste to a thermal hydrolysis reactor and... |
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US20070029252 |
System and process for biomass treatment
A system including an apparatus is presented for treatment of biomass that allows successful biomass treatment at a high solids dry weight of biomass in the biomass mixture. The design of the... |
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US20070102352 |
NITROGEN RECOVERY SYSTEM AND METHOD USING HEATED AIR AS STRIPPING GAS
A process for the recovery of nitrogen from anaerobically digested liquid waste and for the collection of the nitrogen as nitrate compounds that can be used to produce fertilizer and compost,... |
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US20070029253 |
ELECTRICAL HEATING MODULE FOR AIR FLOW HEATING, IN PARTICULAR FOR HEATING AND VENTILATION OF SEATS
An electric heating module for heating an air flow, in particular for heating and ventilating seats is provided, having at least one PTC-heating element 8 and at least one heat dissipation area 2... |
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US20110042307 |
METHODS AND APPARATUSES TO REDUCE HYDROGEN SULFIDE IN A BIOGAS
Apparatuses and methods for anaerobic digestion of high-solids waste and the removal of hydrogen sulfide from a biogas are provided. The methods may include and the apparatuses may be used for... |
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US20120080374 |
OZONE AND ANAEROBIC BIOLOGICAL PRETREATMENT FOR A DESALINATION PROCESS
In one embodiment, a method of treating a source water containing at least one toxin is provided, the method comprising: (i) exposing a source water to a gas comprising ozone under a condition... |
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US20080185336 |
Process for solid-state methane fermentation of biomass materials and fermentation apparatus system therefor
A process for producing a biogas by solid-state fermentation of a solid biomass material which comprises the steps of: (1) pelletizing the biomass material into pellets; (2) introducing the... |
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US20090227003 |
Methods and Systems for Biomass Recycling and Energy Production
The present invention comprises methods and systems for treating biomass wastes to result in usable byproducts. Biomass is treated to remove debris, transferred to microbial digester units, such... |
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US20140014577 |
Wastewater Treatment Method and Wastewater Treatment System
This wastewater treatment system is constituted by being provided with a solid-liquid separator 2 that separates the liquid portion and the solid portion from organic wastewater, a first anaerobic... |
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US20090032458 |
Biogas Producing Facility With Anaerobic Hydrolysis
The present invention relates to a method and a facility for conversion of organic waste into biogas, i.e. a methane containing gas, with an improved efficiency and economy. The method comprises... |
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US20160009579 |
NOVEL 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... |
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US20090321349 |
Integrated systems for producing biogas and liquid fuel from algae
The embodiments of the invention provide methods and systems for making biogas by growth of aquatic plants followed by anaerobic digestion of organic material from the aquatic plants to biogas... |
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US20170008790 |
METHODS FOR REDUCING GREENHOUSE EMISSIONS FROM ANIMAL MANURE
Greenhouse gases are lowered in treatment of animal manure from a CAFO by eliminating or reducing anaerobic digestion. The manure product is admixed with drying agents and is suitable for use as... |
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US20050230308 |
Induced sludge bed anaerobic reactor
An induced sludge bed anaerobic reactor includes a vessel in which a septum or other partition is positioned to maintain solids in wastewater being treated toward a lower zone in the reactor. A... |
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US20090145843 |
Method for reducing carbon dioxide emissions and water contamination potential while increasing product yields from carbon gasification and energy production processes
Carbon dioxide from a process which oxidizes a carbon containing feed is separated and reduced to carbon monoxide using a carbon dioxide reduction reactor [22, 26] coupled to a water gas shift... |
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US20060175252 |
Two phase anaerobic contact sequencing batch reactor (ACSBR) system for treating wastewater containing simple and complex organic constituents
A two-phase anaerobic treatment system and method for the treatment of wastewaters containing simple and complex organic constituents is provided wherein the complex organic constituents are... |
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US20060289356 |
Digesters
Methods and devices are disclosed for converting predominantly organic waste materials, such as sludge, into useful byproducts. |
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US20060275895 |
Biogas producing facility with anaerobic hydrolysis
The present invention on relates to a method and a system for conversion of organic waste into biogas, i.e. a methane containing gas, with an improved efficiency and economy. The system comprises... |
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US20060086659 |
Method for digestion of sludge in water purification
The present invention relates to a method for digestion of sludge in water purification, which method comprises the steps: providing an enzyme mixture capable of digesting natural polymeric... |
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US20140083933 |
METHOD FOR HEAVY METAL ELIMINATION OR PRECIOUS METAL RECOVERY USING MICROBIAL FUEL CELL
The present invention relates to a method in which a microbial fuel cell (MFC) is used in order to produce electrical power while also either eliminating heavy metals or recovering precious metals... |
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US20070272609 |
Reuse of waste materials via manure additive
A composition for treating waste materials such as, for example, livestock manure and mushroom compost. The composition includes: (1) gypsum obtained either as commercial product or as waste... |
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US20110263407 |
Efficiency of centrifuge in municipal sludge dewatering
In a sludge dewatering system, digested sludge with polymer solution added to promote flocculation is delivered to, and fills a treatment tank to a predetermined level The sludge is then agitated... |
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US20120012524 |
Membrane bioreactor process
The inventions add a modified phase separator in the main line of a wastewater treatment process for enhanced BOD and nutrient removal with a membrane system. In addition, treatment methods and... |
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US20070029264 |
Processing biological waste materials to provide energy
Biological waste materials are mixed with water and subjected to intense ultrasonic irradiation (14), before being supplied to an anaerobic digester (16), so that a biogas is generated which... |
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US20060086660 |
Integrated technology for treatment and valorization of organic waste
The present invention is related to an integrated process for the treatment and valorization of organic waste, the process comprising the steps of treating the organic waste with a microorganism... |
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US20150096343 |
METHODS AND SYSTEMS FOR BIODEGRADABLE WASTE FLOW TREATMENT USING A TRANSPORT FLUID NOZZLE
The present invention is directed to methods and systems for pre-treating sewage sludge in a sewage treatment works (STW) to facilitate anaerobic digestion. These methods include (a) passing... |
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US20130186823 |
METHOD FOR THE ACIDIFICATION OF MANURE
By acidifying manure, emissions of methane gas and ammonia gas are prevented significantly. The method for the acidification of manure is provided by an acidic flow of an anaerobic digestion... |
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US20080277336 |
PERMANENT ACCESS PORT
A method and apparatus for the anaerobic digestion of high-solids waste material. The apparatus includes a closed container having a relatively circular outer wall. The closed container has a... |
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US20100243558 |
MAINTAINING ACTIVATED SLUDGE IN SUSPENSION
A method of suspending bio-solids in an activated sludge during wastewater treatment in an activated sludge system is provided. In one example embodiment, the method may include treating the... |
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US20090305390 |
METHOD AND INSTALLATION FOR PROCESSING WASTE AND PRODUCING METHANE
A method is provided for processing waste and producing methane, in which a chamber is filled with waste, in which it undergoes anaerobic degradation. According to the method, a large chamber and... |
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US20140034572 |
METHODS AND SYSTEMS FOR MAINTAINING THE TEMPERATURE OF WASTEWATER IN A TREATMENT FACILITY
Volatile organic compounds (VOCs), such as benzene, toluene, ethylbenzene, xylene and methanol may be removed from wastewater obtained from oil or gas exploration or production operations by way... |
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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... |
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US20050011828 |
Integrated technology for treatment and valorization of organic waste
The present invention is related to an integrated process for the treatment and valorization of organic waste, the process comprising the steps of treating the organic waste with a microorganism... |
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US20100032369 |
SEWAGE PURIFICATION PLANT AND PROCESS THEREOF
Plant and procedure thereof for the purification of sewage that enables the sewage to be purified and energy to be obtained, and at the same time enables a product to be obtained given by the... |
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US20150083661 |
METHODS AND SYSTEMS FOR SEWAGE SLUDGE TREATMENT
The present invention provides methods for increasing soluble chemical oxygen demand (sCOD) in sewage sludge. These methods include passing the sewage sludge through one or more devices that... |
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US20100206807 |
Municipal septic tank biogas collection system and method
A biogas collection system and method for collecting and utilizing biogas that is produced as a byproduct of anaerobic digestion in a wastewater treatment system having one or more wastewater... |
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US20160185632 |
METHOD AND INSTALLATION FOR REMOVING SULPHUR FROM THE DIGESTATE AND THE BIOGAS OF A DIGESTER
Method for removing sulphur from the digestate and the biogas in a city and/or agricultural and/or industrial effluent digester, using a wet and/or a dry route, the digester (1) being made up of a... |
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US20160340215 |
A method for treating sulphate-containing waters
The invention relates to a method for processing sulphate-containing water. The method contains stages in which sulphate-containing water is directed to an anaerobic bioreactor, and an anaerobic... |
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US20120285884 |
Calcium Oxide Cement Kiln Dust for Granulation of Palm Oil Mill Effluent
A use of calcium oxide-cement kiln dust (CaO-CKD) for anaerobic granulation of palm oil mill effluent. A process to produce biogas from palm oil mill effluent using calcium oxide-cement kiln dust... |
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US20100270171 |
A System And A Method For Reducing The Amount of Liquid In A Biological Mass
The present invention is directed toward a method and a system for reducing the amount of fluid in a biological mass comprising solids and fluid in the form of liquid and gas. The system includes... |
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US20110036762 |
Digester gas mixer for waste liquid treatment
A mixer for anaerobic decomposition of sludge in a digester, captures and compressed biogas emitted by the decomposing sludge. The compressed biogas proceeds through supply lines to bubble forming... |
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US20100140166 |
PROCESS FOR FERMENTIVE PREPARATION OF ALCOHOLS AND RECOVERY OF PRODUCT
This invention relates to a process for recovering an alcohol from a fermentation broth using liquid-liquid extraction, wherein at least one ionic liquid is used as the extractive solvent. |