| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 05/21/2004 | CA2783568A1 Apparatus, system and method for treating waste material |
| 05/20/2004 | US20040095842 Aeration apparatus and method |
| 05/20/2004 | US20040094475 Introduces waste activated sludge into the influent waste stream received by a waste stream treatment system that may be mixed in an anaerobic contact process |
| 05/20/2004 | US20040094470 Water filter |
| 05/19/2004 | EP1419996A1 Nitrate nitrogen denitrifying treatment material, method of producing the same, and method of removing nitrate nitrogen |
| 05/19/2004 | EP1419995A1 Anaerobic fermenter |
| 05/19/2004 | EP1419003A2 System and method for withdrawing permeate through a filter and for cleaning the filter in situ |
| 05/19/2004 | EP0920493B1 Biodegradation of explosives |
| 05/19/2004 | DE10013779B4 Verfahren und Anlage zur Behandlung von Abwässern und von biogenen Reststoffen mit aus Abwasser gewonnenem Klärschlamm Method and apparatus for treating waste water and biogenic residues with reclaimed from sewage sludge |
| 05/19/2004 | CN2616531Y Sewage treatment middle-water reuse aeration tank aeration apparatus |
| 05/19/2004 | CN2616530Y Micro-power domestic sewage treatment integrating apparatus |
| 05/19/2004 | CN2616529Y Suspension biological vector |
| 05/19/2004 | CN1496962A 水处理系统 Water Treatment System |
| 05/18/2004 | US6737263 Monitoring and controlling biocatalytic efficiency of wastewater treatment; obtain activated sludge, sample wastewater, measure concentration of interior storage particles, adjust feed nutrients |
| 05/18/2004 | CA2338192C Method of liquefying microorganisms derived from biological wastewater treatment processes |
| 05/18/2004 | CA2078459C Residual water biological purification process and device |
| 05/13/2004 | WO2004028986A3 Membrane bioreactor waste water treatment method |
| 05/13/2004 | WO2004018067A3 Airlift membrane device, bioreactor and bioreaction process |
| 05/13/2004 | US20040091576 Cheese-like dairy products and process for producing the same |
| 05/13/2004 | US20040089614 Sludge treatment using ponds or cells equipped with aerator; removal of carbonaceous, nitrogenous, and phosphates pollutants; automatic analysis; data processing |
| 05/13/2004 | US20040089592 Method, apparatus and biomass support element for biolocical waste water treatment |
| 05/12/2004 | EP1226095B1 Method for eliminating organic material resistant to biological treatment |
| 05/12/2004 | EP1131266A4 Wastewater treatment tank with influent gates and pre-react zone with an outwardly flared lower portion |
| 05/12/2004 | CN2615127Y Upflow type composite bed biological reactor with regulating three-phase separator |
| 05/12/2004 | CN1496337A Apparatus and method for wastewater treatment with enhanced solids reduction (ESR) |
| 05/12/2004 | CN1496336A Method for biological purification of effluents using biofilm supporting particles |
| 05/12/2004 | CN1495384A Method for treating wastes produced by acrylic acid process and acryli ester process |
| 05/12/2004 | CN1495131A Coating waste water treatment method |
| 05/12/2004 | CN1149278C Novel microorganism and method for environmental purification using the same |
| 05/11/2004 | US6734326 Method of treating aqueous effluents containing peroxidized compounds |
| 05/11/2004 | US6733674 Method of dewatering sludge using enzymes |
| 05/11/2004 | US6733673 Method of dewatering sludge using enzymes |
| 05/11/2004 | US6733672 System and method for the treatment of soot-laden water |
| 05/11/2004 | US6733671 Apparatus for treating fluids |
| 05/11/2004 | US6733662 Methods and apparatus for biological treatment of waste waters |
| 05/06/2004 | WO2004038491A2 Method and system for removal of contaminants from aqueous solution |
| 05/06/2004 | US20040084376 Method for direct clarification of groundwater polluted with nitrate |
| 05/06/2004 | US20040084368 Method for biological purification of effluents using biofilm supporting particles |
| 05/06/2004 | US20040084366 Heating, pressurization, wetting and steaming starches, cellulose, and carbohydrates; high speed depressurization; screening particles; autoclaving and dilution of biomass while agitation to cause fibers to twist |
| 05/06/2004 | US20040084296 Method decomposing fluorine-containing organic material |
| 05/06/2004 | EP1414756A1 Artificial phytopurification system |
| 05/06/2004 | EP1414750A2 Pcr-based monitoring in wastewater biotreatment systems |
| 05/06/2004 | EP1414293A1 Aquaculture system |
| 05/06/2004 | EP1194223B1 Fluidizing reactor and method for treatment of fluids |
| 05/06/2004 | DE10348732A1 Water treatment, especially for treating waste water, comprises adding a solution containing a microbiotic mixed culture to water in a catalytically active environment |
| 05/06/2004 | DE10248539A1 Absorption mat, e.g. for absorbing oil from liquid media comprises intermediate layer made from biologically degradable absorption material between fluid-permeable textile strips made from fleece |
| 05/05/2004 | CN1494514A Self-adaptive method for regulating effluent treating plant, in particular for waste water |
| 05/05/2004 | CN1494374A Preparation of compositions comprising bacterial strains and volatile plant extracts and therapeutic and industrial applications thereof |
| 05/05/2004 | CN1493532A Anaerobic/aerobic dual purpose waste water treatment system |
| 05/05/2004 | CN1493531A Waste water/water treatment method using membrane separation bioreactor |
| 05/05/2004 | CN1493530A Waste water/water treatment method using microorganism fixed on porous carrier |
| 05/04/2004 | US6730226 Water purifying method and apparatus |
| 05/04/2004 | US6730225 Wastewater treatment system and method |
| 05/04/2004 | US6730223 Apparatus, system and method for treating waste material |
| 04/30/2004 | CA2409585A1 Adsorbent mobile bed bioreactor |
| 04/29/2004 | WO2004035491A1 Procedure and device for thermophilic temperature range stabilization and mineralization of sludge from wastewater treatment plants |
| 04/29/2004 | WO2004035488A1 Deep shaft treatment plant for liquid wastes |
| 04/29/2004 | WO2004035486A1 Reactor with two gas traps and method for the anaerobic treatment of liquids |
| 04/29/2004 | WO2004035485A1 Reactor comprising a three-phase separating device and method for separating a three-phase mixture |
| 04/29/2004 | WO2004035484A1 Portable small-scaled purified water-supplying system |
| 04/29/2004 | WO2004035478A2 Water purification by means of catalytic surfaces and microorganisms |
| 04/29/2004 | WO2002043649A8 Preparation of compositions comprising bacterial strains and volatile plant extracts and therapeutic and industrial applications thereof |
| 04/29/2004 | US20040079698 Odorless; solid or liquid biomass; mixing waste streams, adding microorganisms, monitoring dissolved oxygen, separation solid humus |
| 04/29/2004 | US20040079692 Membrane module for gas transfer and membrane supported biofilm process |
| 04/29/2004 | US20040079691 Wastewater treatment station in shipping-container |
| 04/29/2004 | DE10249081A1 Simplified sewage sludge treatment comprises an enzyme treatment step, and optionally a peroxide treatment step at an acidic pH |
| 04/29/2004 | CA2502223A1 Water purification by means of catalytic surfaces and microorganisms |
| 04/28/2004 | EP1412294A1 A process for the removal of heavy metals by actinomycete |
| 04/28/2004 | EP1412293A2 Apparatus and method for wastewater treatment with enhanced solids reduction (esr) |
| 04/28/2004 | EP1244601A4 Waste treatment process |
| 04/28/2004 | EP1181252B1 Method for treatment of organic material in a two-step anaerobic biochemical reactor |
| 04/28/2004 | EP0954373B1 Device for stirring and aerating a liquid and eliminating the foam in a vat for treating this liquid |
| 04/28/2004 | CN2613483Y Sewage treatment apparatus adopting A2/O oxidation channels process |
| 04/28/2004 | CN2613482Y Aeration stirring device |
| 04/28/2004 | CN2613481Y No-diffusion all-sealed hospital sewage treatment equipment |
| 04/28/2004 | CN1491906A Method and device for purifying water by self solidifying technology with microbe and carrier in river |
| 04/28/2004 | CN1491905A Long-acting microbial water purifying agent and its producing method |
| 04/28/2004 | CN1491904A Film assembly cleaned mechanically |
| 04/28/2004 | CN1491903A Integrated aeration boilogical filter tank |
| 04/28/2004 | CN1491902A Biological treating method for waste liquid of molasses alcohol |
| 04/28/2004 | CN1147440C Treatment method of high concentration organic wastewater using biological culture equipment |
| 04/28/2004 | CN1147349C Apparatus and method for cleaning membrane filtration modules |
| 04/28/2004 | CN1147347C Treating mehtod and equipment for waste gas containing nitride |
| 04/27/2004 | US6726846 Such as overflow sewage or oil-contaminated water; includes an inflow pipe connected to the receiving means of the vertical membrane storage system, an inflow overflow valve within the pipe and an outflow pipe with valve |
| 04/27/2004 | US6726838 Biofilm carrier, method of manufacture thereof and waste water treatment system employing biofilm carrier |
| 04/25/2004 | CA2418876A1 Wastewater treatment station in shipping-container |
| 04/22/2004 | WO2004033732A1 Method of iron (iii) hydroxide and oxide recovery by bacterial oxidation |
| 04/22/2004 | WO2004033371A2 Method for reducing sludge of a biological ozone treatment system |
| 04/22/2004 | US20040076073 Treated material stirring apparatus |
| 04/22/2004 | US20040074840 Comprises chamber for holding oxygen-depleted water, a second chamber for holding oxygen-rich water, and porous substrate comprising microorganisms |
| 04/22/2004 | US20040074839 Comprises horizontally stacked baffles for trapping and absorbing air and solids; pollution control |
| 04/22/2004 | US20040074834 Modular aquaculture filtration system |
| 04/22/2004 | US20040074830 Filtration cartridge |
| 04/22/2004 | CA2501387A1 Method for reducing sludge of a biological ozone treatment system |
| 04/21/2004 | EP1409420A1 Device for aerating natural and artificial waters, containers, tanks and basins |
| 04/21/2004 | EP1409419A1 Anaerobic digestion apparatus, methods for anaerobic digestion a nd for minimizing the use of inhibitory polymers in digestion |
| 04/21/2004 | EP1409414A1 Method and device for the treatment of effluent, sludge and organic substrates |
| 04/21/2004 | EP1409412A1 Improvements in flotation/fractionation systems for treating liquids and in separation of liquids to be treated thereby |
| 04/21/2004 | EP1409142A1 Pressure differential material transport and disposal system |
| 04/21/2004 | CN2612660Y Microbe treatment apparatus for emulsification oily waste water |