Matches 1 - 50 out of 67 1 2 >


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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...
US20130319940 WASTEWATER TREATMENT PROCESS WITH ANAEROBIC MBBR  
In a wastewater treatment system, feed water is processed by anaerobic digestion, preferably in an anaerobic moving bed bioreactor (AnMBBR). Effluent from the AnMBBR passes through one or more...
US20120074058 NUTRIENT RECOVERY METHODS AND USES THEREOF  
Provided herein is an efficient solid-liquid separation method for bio-waste material treatment. The method contemplates the addition of certain cationic polyelectrolytes (or “polymers” as used...
US20060169637 Method and apparatus for treating sludge, and method and apparatus for treating wastewater utilizing the same  
A method and an apparatus for treating organic wastewater and sludge which remarkably reduce the generated amount of sludge at a much lower running cost, and which reduce the size and the capacity...
US20090090670 WASTEWATER TREATMENT SYSTEM AND METHOD  
The invention is directed to a wastewater treatment system having an anoxic biological treatment zone, an aerobic biological treatment zone and a separator. The concentration of oxygen in streams...
US20140263043 S/M FOR BIOLOGICAL TREATMENT OF WASTEWATER WITH SELENIUM REMOVAL  
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...
US20120174639 Food Waste Concentration System and Related Processes  
A forward osmosis system and process for producing fertilizer and recycling water from a food waste methane digester wastewater stream. The process includes: forming a residual wastewater stream...
US20120279920 SUSPENDED MEDIA MEMBRANE BIOLOGICAL REACTOR SYSTEM AND PROCESS INCLUDING MULTIPLE BIOLOGICAL REACTOR ZONES  
A wastewater treatment system is provided comprising a first biological reaction zone, a second biological reaction zone and a membrane operating system. The first biological reaction zone is...
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.
US20140322798 INHIBITION OF METHANE PRODUCTION DURING ANAEROBIC REDUCTIVE DECHLORINATION  
This method of restricting methane production in methanogenic bacteria, by the use of the enzyme and coenzyme inhibitors, works during anaerobic reductive dechlorination. Various compounds such...
US20130206688 Process And System For The Treatment Of Industrial And Petroleum Refinery Wastewater  
There is provided a process of reducing concentration of contaminants in a contaminated wastewater stream, such as contaminated wastewater output from a refinery, such as an oil-refinery; the...
US20120261338 METHODS AND APPARATUS FOR STRUVITE RECOVERY USING UPSTREAM PHOSPHATE INJECTION  
Formation of scale in a wastewater treatment system upstream of a struvite precipitation reactor is inhibited by injection of one or more of CO2 and H3PO4. The injection may be performed at...
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...
US20050126996 Systems and methods for treating waste water  
Systems and methods for treating waste water containing biological wastes such as animal waste generated in livestock-raising operations, wherein the waste water is subjected to a series of...
US20060175263 Methods and systems for treating wastewater  
Various methods and systems are provided below for the treatment of wastewater. According to various embodiments, treatment of wastewater is accomplished using the oxidative power of ozone gas and...
US20150191379 Process for removal of hydrogen peroxide from an aqueous solution  
A process for removal of hydrogen peroxide from an aqueous solution which can be employed for the treatment of aqueous solutions such as industrial waste-water streams from hydrogen production...
US20110315561 TREATMENT OF SOLUTIONS OR WASTEWATER  
A method for treating a wastewater stream containing organic material or inorganic material comprising passing the wastewater stream to an anode or a cathode of a bioelectrochemical system to...
US20160130160 PROCESS FOR REDUCING THE TOTAL ORGANIC CARBON IN WASTEWATER  
The present invention relates to a process for reducing the total organic carbon (TOC) in an aqueous mixture M1 obtained as wastewater from a process for the preparation of an olefin oxide, the...
US20110195166 Modified Biogenic Silica and Method for Purifying a Liquid  
Biogenic silica is produced by combusting a biogenic source material such as rice hulls to give rich hull ash (RHA), and the combusted biogenic silica may be subsequently treated to improve the...
US20070045183 Purified water reclamation process  
A hybrid alternative water reclamation process for producing and re-using purified water including use of a biological non-compartmented reactor basin having multiple prior art patented Omni-flow...
US20110233136 Water Treatment Process  
The present invention provides a process for treating water that comprises chloride ions, other ions (e.g., ferrous ions, sulfide ions, or sulfite ions) and microorganisms.
US20140367330 WASTEWATER TREATMENT PROCESS THAT UTILIZES GRANULAR SLUDGE TO REDUCE COD CONCENTRATION IN WASTEWATER  
A wastewater treatment process that employs anaerobic granular sludge or biomass to remove chemical oxygen demand (COD) from the wastewater. Certain constituents, such as COD, nitrogen, calcium,...
US20140076804 Struvite Precipitation Using Magnesium Sacrificial Anode  
A method precipitating struvite in wastewater uses a magnesium sacrificial anode as the only source of magnesium. A high-purity magnesium alloy cast anode was found to be very effective in...
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...
US20130256226 METHOD AND APPARATUS FOR TREATING ORGANIC WASTEWATER  
[Object] In relation to the treatment of organic wastewater in which organic wastewater is separated from biosludge by solid liquid separation using a separation membrane and the permeate water is...
US20150076061 COKING WASTEWATER TREATMENT  
A process for treating coking wastewater contains the steps of passing the coking wastewater in such an order through coagulation, particles removal, and ion-exchange resin.
US20130168314 Method for Treating Wastewater Containing Copper Complex  
Disclosed is a method for treating wastewater containing at least one copper complex, comprising: 1) providing the wastewater containing the at least one copper complex, wherein the at least one...
US20060293179 Composition and method for reducing chemical oxygen demand in water  
A method and composition for reducing chemical oxygen demand is presented. The composition includes a sulfate free radical precursor and a transition metal catalyst in contact with the sulfate...
US20070175825 System for the treating biomaterial waste streams  
A process for treating a biomaterial waste stream is described. The process may form part of a waste fermentation system. The treating process can degrade at least a portion of the biomaterial...
US20050103708 Method for the treatment of animal waste and products made therefrom  
A method of treating animal waste includes separating the solids by flocculation and dissolved air flow, followed by screening of the solids to separate them from the waste water. The resulting...
US20150258589 TREATMENT OF CONTAMINATED SOIL AND WATER  
The present invention relates to a method of remediating an environmental medium which is contaminated with a halogenated organic contaminant and/or a heavy metal comprising treating such medium...
US20090250396 DRAINAGE WATER-TREATING METHOD AND DRAINAGE WATER-TREATING APPARATUS  
Drainage water containing organofluorine compounds is introduced into a micro-nano-babble generation tank (1) wherein microorganisms from a microorganism tank (61), a micro-nano bubble auxiliary...
US20080078719 System and method for treating wastewater  
A system and method for the treatment of wastewater is disclosed. The disclosed wastewater treatment system includes a high selectivity reactor coupled to a wastewater treatment reactor, such as...
US20170001889 MICRO-ENCAPSULATING FLOCCULATING DISPERSION WATER TREATMENT SYSTEM  
A system for continuously treating water with residual oil and/or solids includes a treatment system with inline mixers. A pH adjustment fluid may be added to the water in a first inline mixer. A...
US20140299541 WATER FILTRATION AND SEWAGE SYSTEM  
A system to reuse water from a septic/bio digester is shown. A sterile potable water stream is produced which is useful for humans, animals and fish farming.
US20130270181 SELENIUM REMOVAL USING CHEMICAL OXIDATION AND BIOLOGICAL REDUCTION  
Selenium in the form of a reduced species such as selenocyanate is oxidized to produce an oxidized selenium species such as selenate or selenite, and then a biological reduction process is used to...
US20090050561 SYSTEM AND METHOD FOR PROCESSING WASTEWATER  
A system and method for processing wastewater into usable water is provided. The method comprises: receiving a supply of wastewater; passing the wastewater into a refractory vessel having a heat...
US20060191848 Integrated separation of organic substances from an aqueous bio-process mixture  
The present invention relates to a process for integrated removal of one or more organic substances present in an aqueous bioprocess mixture, which comprise at least one positively charged and/or...
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...
US20070056902 Process for treating septage to extract a bio-fuel  
A process for the treatment of septage, particularly grease trap waste, is disclosed. The inventive process converts septage into sludge usable as a bio-fuel. The conversion of the septage makes...
US20120125841 APPARATUS AND METHOD FOR DISPOSAL AND TREATMENT OF WASTE WATER, SEWAGE AND/OR EFFLUENT  
Filtration apparatus (102) is provided for the treatment of waste water, sewage and/or effluent. The apparatus includes a housing (4) having at least a first filter layer (16) provided therein....
US20090223892 USE OF NITRATE SALTS FOR SUPPRESSING DISTURBING ODOURS  
Nitrate salts are used to suppress disturbing biologically produced odors.
US20130112617 Redox wastewater biological nutrient removal treatment method  
A redox water biological nutrient removal treatment method utilizing sulfurous acid to act as either an oxidizing or a reducing solution via pH adjustment for water conditioning and bacterial...
US20120061317 Magnetic Pollen Grains as Sorbents for Organic Pollutants in Aqueous Media  
A method of removing a contaminant from liquid is provided. The method includes adding magnetic biological particles to a liquid containing a contaminant, sorbing the contaminant to the magnetic...
US20130220920 METHODS FOR IMPROVING MEMBRANE BIOREACTOR SYSTEMS  
A method of conditioning mixed liquor in a membrane bioreactor includes dispersing a treatment additive in the mixed liquor. The treatment additive includes a water soluble block copolymer....
US20060043019 Non-woven fabric filter and wastewater treatement with activated sludge process using the non-woven fabric filter  
A non-woven fabric filter used for wastewater treatment with activated sludge. The present invention, for the first time, uses non-woven fabric as a filtering material for wastewater treatment....
US20120152837 BIOLOGICAL TREATMENT METHOD OF ORGANIC-MATTER-CONTAINING WATER  
Provided is a biological treatment method of organic-matter-containing water in which a decrease in the permeation flux of a membrane in a membrane-separation activated-sludge process can be...
US20060180547 PROCESS AND HYBRID REACTOR FOR THE PROCESSING OF RESIDUAL WASTE  
What is disclosed is a process for mechanical and biological processing of waste substances, in particular of residual waste, wherein a physico-chemical processing (PCP) for the denitrificaton of...
US20160176736 TREATMENT FOR DOMESTIC AND INDUSTRIAL WASTE WATER  
The present invention refers to a method and system for the treatment of wastewater from domestic and industrial sources that effectively remove the water pollutants, thus reducing the generation...
US20140311970 ROTATING DRUM MICRO-SCREEN FOR PRIMARY WASTEWATER TREATMENT  
A rotating screen has one or more panels arranged into a cylinder, or drum. The panels have openings in a micro-screening range, for example 100 microns or less. Wastewater to be screened is fed...

Matches 1 - 50 out of 67 1 2 >