| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 08/23/2006 | CN1270984C Process for treating waste water of producing refined terephthalic acid |
| 08/23/2006 | CN1270982C Process for comprensive treating waste water of paper making by grass pulp |
| 08/23/2006 | CN1270836C Method and system for treating organic matter utilizing substance circulation system |
| 08/22/2006 | US7094350 Efficient degradation; separation water from sludge; using actinomycesfrom Streptomyces |
| 08/22/2006 | US7094336 Aquarium device with enhanced water filtration |
| 08/22/2006 | US7094335 Aquarium filtration system |
| 08/17/2006 | WO2006086407A2 In situ plating and etching of materials covered with a surface film |
| 08/17/2006 | WO2006085848A1 Surfactant biocatalyst for remediation of recalcitrant organics and heavy metals |
| 08/17/2006 | WO2006031394A3 Phased activated sludge system |
| 08/17/2006 | US20060180546 Wastewater treatment system and method |
| 08/17/2006 | US20060180533 Drum filter assembly |
| 08/17/2006 | US20060180532 Water treatment apparatus |
| 08/17/2006 | DE202005005169U1 Device for drain water cleaning with activation basin has component parts of support system interconnected in articulated fashion in such way that surface ventilator can follow changing heights of fluid level in basin |
| 08/17/2006 | DE102005002668A1 Removal of uranium from uranium-containing water with prior decrease in concentration of carbonate complexes, involving contacting water with exudates from algae and/or calcified submerged water plants |
| 08/17/2006 | CA2596386A1 Surfactant biocatalyst for remediation of recalcitrant organics and heavy metals |
| 08/16/2006 | EP1689501A2 Membrane modules and integrated membrane cassettes |
| 08/16/2006 | EP1534637B1 Method for eliminating oil and fat or pollutants containing oil and fat |
| 08/16/2006 | CN2806449Y Integrated quick sewage treatment station |
| 08/16/2006 | CN2806448Y Underground type small-sized domestic sewage treatment device |
| 08/16/2006 | CN2806447Y Floating floor for water surface cultured plant |
| 08/16/2006 | CN2806446Y Composite particle biological carrier for water treatment |
| 08/16/2006 | CN2806445Y Aeration tank for sewage treatment |
| 08/16/2006 | CN2806444Y Non-plugging aeration biological filter |
| 08/16/2006 | CN2805360Y Energy-saving closed circulating pollution-discharge jet flow aeration breeding apparatus |
| 08/16/2006 | CN1819776A Process for producing liquid formulation containing raw yeast and liquid formulation |
| 08/16/2006 | CN1817807A Method and equipment for treating microcystin-containing water |
| 08/16/2006 | CN1269953C Benzene denitrifying bacteria and its uses |
| 08/16/2006 | CN1269952C Benzene denitrifying degradative bacterium and its use |
| 08/16/2006 | CN1269949C Saccharomycetes and its application |
| 08/16/2006 | CN1269745C Submersible pushing flow aeration machine |
| 08/16/2006 | CN1269744C Anaerobic reactor for processing waste water containing high concentration suspended solid |
| 08/16/2006 | CN1269743C Carrier for waste water biological treatment and its preparation |
| 08/15/2006 | US7091025 Malathion carboxylesterase |
| 08/10/2006 | WO2006083522A1 Aerobic wastewater management system, apparatus, and method |
| 08/10/2006 | WO2006083187A1 Sewage treatment plant, in particular for domestic purposes |
| 08/10/2006 | WO2006083186A1 A sewage treatment and recirculation unit |
| 08/10/2006 | WO2006081825A1 A method for recycling important nutritional elements from waste |
| 08/10/2006 | WO2006039335B1 A streamlined methane gas generation system |
| 08/10/2006 | US20060177543 Process for producing liquid formulation containing raw yeast and liquid formulation |
| 08/10/2006 | US20060175252 Two phase anaerobic contact sequencing batch reactor (ACSBR) system for treating wastewater containing simple and complex organic constituents |
| 08/10/2006 | CA2641349A1 A method for recycling important nutritional elements from waste |
| 08/09/2006 | EP1688174A1 Membrane filtration tank and process for filtering a liquid |
| 08/09/2006 | CN2804081Y Combined sewage treatment unit |
| 08/09/2006 | CN2804080Y Internal circulation biofilm filtering reactor by deep well jet aeration |
| 08/09/2006 | CN2804079Y Stirring device of animal's and fowls fecal sewage treatment system |
| 08/09/2006 | CN2804072Y Appts for treating hard deg radation and high thickness organic waste water by electrooxidizing and biochemical process |
| 08/09/2006 | CN1814557A Plate type membrane assembly |
| 08/09/2006 | CN1814553A Combined membrance assembly |
| 08/09/2006 | CN1268767C PCR-based monitoring in wastewater biotreatment systems |
| 08/09/2006 | CN1268561C Vertical flow composite type biological sludge minimization reactor and its operation method |
| 08/09/2006 | CN1268558C Method for governing arsenic contamination in soil and water body |
| 08/09/2006 | CN1268557C Water culture pasture grass filtering method for sewage of circulating water aquaculture system and plant filter |
| 08/09/2006 | CN1268556C Biological treatment method for wastewater of containing acrylics and esters |
| 08/09/2006 | CN1268555C Lixiviation type film separating system for sewage and waste water high treatment |
| 08/08/2006 | US7087175 flocculating suspension is separated from liquid by filtration in fluidized layer in sludge blanket where flocks are created from separated suspension and fluidized state is maintained by rising stream of liquid; liquid with suspension enters fluidized layer from bottom, free liquid is discharged at top |
| 08/08/2006 | US7087173 for immersed membranes; to scour the membranes and to disperse areas of tank water having increased concentrations of rejected solids from near the membranes; minimum energy use, cost and maintenance required to keep the aerators from plugging |
| 08/08/2006 | US7087172 Methods for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater |
| 08/08/2006 | US7087170 Method and system for treating wastewater containing organic compounds |
| 08/08/2006 | US7087169 cell contains media and supports plants having roots extending into media, roots and media positioned to contact water flowing down through cell during flooding stage, media and roots providing surfaces to which biofilms can adsorb, biofilms contain bacteria adapted to adsorb and nitrify ammonium ions |
| 08/08/2006 | US7087161 Resin cultivating base, water purifying device and method using resin cultivating base |
| 08/08/2006 | US7087158 Oxygen-supply-capable cooling water equipment, filtration-equipment and filtration-equipped cooling water equipment incorporated with these equipment |
| 08/03/2006 | US20060169637 Method and apparatus for treating sludge, and method and apparatus for treating wastewater utilizing the same |
| 08/03/2006 | US20060169636 Flowing a mixed liquor suspended solids stream to a high rate clarification stage, flowing the high rate clarifier effluent stream to a membrane stage comprising a membrane media, producing a membrane reject stream and a treated effluent permeate stream |
| 08/03/2006 | US20060169627 Mixing eductor |
| 08/02/2006 | EP1686098A1 Aerobic anaerobic treatment of organically polluted water |
| 08/02/2006 | EP1685233A1 Bioreactor |
| 08/02/2006 | EP1685072A1 Deep shaft treatment plant for liquid wastes |
| 08/02/2006 | EP1639101A4 Odor control compositions and methods |
| 08/02/2006 | EP1401775A4 Method, apparatus and biomass support element for biological wastewater treatment |
| 08/02/2006 | CN2801776Y Intermediate water treatment system |
| 08/02/2006 | CN2801773Y Aeration device |
| 08/02/2006 | CN2801772Y Frequent nitration denitrification device for sewage biological treatment |
| 08/02/2006 | CN2801771Y Immobilized microorganism aeration biological filtering tank |
| 08/02/2006 | CN2801770Y Composite biomembrane sewage treatment device |
| 08/02/2006 | CN2801769Y Ground buried faeces digestion sewage treatment pool |
| 08/02/2006 | CN1812936A Method for anaerobic sludge digestion and a digester |
| 08/02/2006 | CN1811073A Floating ecological bank protecting method and medium carrier |
| 08/02/2006 | CN1810965A Biomembrane carrier improved in specific surface area, biological affinity, and fluidity |
| 08/02/2006 | CN1810964A Biomembrane carrier improved in specific surface area, biological affinity, and fluidity |
| 08/02/2006 | CN1810731A Treating process of amino acid fermenting effluent |
| 08/02/2006 | CN1810685A Artificial leather effluent treating process |
| 08/02/2006 | CN1810682A Domestic sewage treating underflow ecological bed method and apparatus |
| 08/02/2006 | CN1810681A Degradation treatment process and system for organics in organically-polluted water |
| 08/02/2006 | CN1810680A Apparatus and method for treating organic waste water |
| 08/02/2006 | CN1810679A Frame-type biological pollutant holding and eliminating grating for purifying contaminated water |
| 08/02/2006 | CN1810678A Biodegradable waterproof artificial floating island |
| 08/02/2006 | CN1267363C Sewage treatment method using sequential batch type reactor |
| 08/02/2006 | CN1267212C Use of ammonia oxidizing bacteria in medicament,preparation making by same and articles treated with same |
| 08/01/2006 | US7083729 Water permeability; multilayer membrane cloth on frame; forming channel between cloth layers |
| 08/01/2006 | US7083728 Method for treating sludge using recycle |
| 08/01/2006 | US7083727 Destroying sludge , toxic compounds; purification; water pollution control; using mixture of bromelin enzyme, extracted from pineapple juice, yeast and citric acid |
| 08/01/2006 | US7083720 Variously configurable rotating biological contactor and prefabricated components therefor |
| 08/01/2006 | US7083717 Water purification apparatus |
| 08/01/2006 | US7083324 Integrated fixed film activated sludge system using gravity assisted mixing |
| 08/01/2006 | US7082893 Aquaculture nitrogen waste removal |
| 07/27/2006 | WO2006077282A1 Process and device for cleaning waste water |
| 07/27/2006 | WO2006077014A1 Device for comminuting particulate organic substances in suspensions of microorganisms suspended in a carrier medium, especially in waste water |
| 07/27/2006 | WO2006048008A3 Method for decomposing biogenic material |
| 07/27/2006 | WO2006027585A9 Improvements in or relating to media |
| 07/27/2006 | US20060166343 Photosynthetic hydrogen production |