| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 01/15/2008 | US7318896 From a treatment process for organic waste and/or waste water treatment;adding the recovered magnesium ammonium phosphate particles to an acid fermentation tank as an inorganic nutrient |
| 01/15/2008 | US7318895 Biodestruction of blended residual oxidants |
| 01/15/2008 | US7318894 Method and system for treating wastewater |
| 01/15/2008 | US7318893 Apparatus for offering and dispensing mineral water suitable for consumption |
| 01/10/2008 | WO2008004292A1 Inclusive immobilization support, wastewater disposal apparatus and wastewater disposal method using the inclusive immobilization support |
| 01/10/2008 | WO2008003153A2 Process of obtaining industrial organic absorbent with aquatic plants and application way |
| 01/10/2008 | US20080009055 Integrated photobioreactor-based pollution mitigation and oil extraction processes and systems |
| 01/10/2008 | US20080006577 Method and apparatus for wastewater treatment using nitrogen/phosphorous removal process combined with floatation separation of activated sludge |
| 01/10/2008 | US20080006576 Aquarium purifier and aquarium purification method |
| 01/10/2008 | US20080006571 Method and apparatus for treatment of wastewater employing membrane bioreactors |
| 01/10/2008 | US20080006567 Advanced Purification System Utilizing Closed Water Area by Hollow Water Area (Utsuro) |
| 01/09/2008 | EP1874695A2 Method for purifying effluent in an anaerobic reactor |
| 01/09/2008 | CN201003022Y Treating system for reclaimed water |
| 01/09/2008 | CN201003016Y Returned undercurrent artificial wet land |
| 01/09/2008 | CN201003015Y Unpowered rotary type water drainage apparatus |
| 01/09/2008 | CN201003014Y Spiral-type self-circulated anaerobic reactor |
| 01/09/2008 | CN201003013Y UASB-biological film anaerobic ammoxidation apparatus |
| 01/09/2008 | CN201003012Y Temperature controlled UASB anaerobic ammonium oxidation and denitrification apparatus |
| 01/09/2008 | CN201003011Y Reverse flushing, aerated type undercurrent wet land water body purification apparatus |
| 01/09/2008 | CN201003010Y Integrated biological reactor |
| 01/09/2008 | CN201003009Y Double-layer arched shed type artificial oxidation pond |
| 01/09/2008 | CN201003008Y Water body in situ purification biological bamboo curtain floating grid |
| 01/09/2008 | CN201003007Y Bamboo curtain biological film sewage treatment bed |
| 01/09/2008 | CN201003006Y Loofah carrier biological contacting oxidation bed |
| 01/09/2008 | CN201003005Y Waste water treatment device for composite flow aeration biological filter |
| 01/09/2008 | CN201003004Y Liquid-level automatic controlling filter chamber |
| 01/09/2008 | CN201003003Y Reaction-deposition integral rectangle circulating bioreactor sludge treatment device |
| 01/09/2008 | CN201003002Y Multi-stage reciprocal undercurrent artificial wet land |
| 01/09/2008 | CN201003001Y Molasses alcohol waste water micro-oxygen treatment device |
| 01/09/2008 | CN201002993Y Pushing flow type pressurizing magnetization screw aeration machine |
| 01/09/2008 | CN201002979Y Liquid distribution device |
| 01/09/2008 | CN101102742A Anti-aging methods and composition |
| 01/09/2008 | CN101100653A Novel microorganism and its gene fragment order and application |
| 01/09/2008 | CN101100337A North low-temperature area undercurrent artificial wetland winter operation method |
| 01/09/2008 | CN101100336A Method for purifying sea animal cultivation sewage |
| 01/09/2008 | CN101100335A Integrated system for treating waste water, waste gas and waste slag |
| 01/09/2008 | CN101100334A Integrative aerobic particle sludge membrane bioreactor sewage treatment method |
| 01/09/2008 | CN101100333A Batch type aerobic particle sludge membrane bioreactor sewage treatment technique |
| 01/09/2008 | CN101100332A Biological filter pocket for treating septic tank drainage |
| 01/09/2008 | CN101100320A Method for treating sewage |
| 01/09/2008 | CN100360440C Process for treating saponin sewage of yellow ginger prosessing |
| 01/09/2008 | CN100360439C Combined activated sludge-biofilm sequencing batch reactor and process |
| 01/09/2008 | CN100360438C Method and installation for the biological treatment of water using activated sludge and comprising aeration regulation |
| 01/09/2008 | CN100360435C Method for inhibiting biogenic sulfide generation |
| 01/09/2008 | CN100360430C Method for harnessing nutrient-enriched water body |
| 01/08/2008 | US7316921 Organic waste material treatment system |
| 01/08/2008 | US7316776 Aquarium filtration system with bio-reactor |
| 01/03/2008 | WO2008000871A1 Equipment for biological purification of wastewater |
| 01/03/2008 | WO2008000306A1 Stacked hollow fiber module |
| 01/03/2008 | WO2008000296A1 Fecal wastewater treatment system using biofiltration (bfba) |
| 01/03/2008 | WO2008000169A1 A rapid high-temperature oxidation method for treating wastewater produced by pharmaceutical industry |
| 01/03/2008 | WO2007130293A3 Waste treatment method and apparatus with integral membrane apparatus |
| 01/03/2008 | WO2007077577A3 A floating ball bio-filter |
| 01/03/2008 | US20080004181 Entrapping immobilization pellets for purifying breeding water, process and apparatus for purifying breeding water, and aquarium set |
| 01/03/2008 | US20080002517 Water circulation systems for ponds, lakes, and other bodies of water |
| 01/03/2008 | US20080000832 Membrane bioreactor having single header membrane module |
| 01/03/2008 | US20080000831 Resulting from potable water production that uses FeCl3 as a coagulant, by combining the sludge in an anaerobic bioreactor with sulfate reducing microorganism culture coming from the same sludge to be treated and nutrients such as ethanol, sulfate and yeast; decanting; dewatering; and filtration |
| 01/03/2008 | US20080000823 Fine bubble airlift device |
| 01/03/2008 | US20080000818 Water circulation systems for ponds, lakes, and other bodies of water |
| 01/03/2008 | CA2661229A1 Wastewater disinfection apparatus and methods |
| 01/02/2008 | EP1873234A1 Method of treating wastewater containing organic compound |
| 01/02/2008 | EP1873123A1 Sludge concentration device and sludge concentration method |
| 01/02/2008 | EP1873121A2 Method for reducing the management costs of bio-conditioning plants |
| 01/02/2008 | EP1873120A1 Device for treating fecal waters by biofiltration |
| 01/02/2008 | EP1872875A1 Apparatus for cleaning parts soiled with oil or grease, in form of a washing machine |
| 01/02/2008 | EP1871716A1 Method for the aerobic-thermophilic stabilization and decontamination of sludge |
| 01/02/2008 | EP1871715A1 Method and device for the aerobic-thermophilic stabilization and decontamination of sludge |
| 01/02/2008 | EP1871520A1 A contact filter block, a method of producing structural elements of a contact filter block and an apparatus for producing structural elements of a contact filter block |
| 01/02/2008 | CN200999217Y Composite membrane bioreactor |
| 01/02/2008 | CN200999215Y Foraminous external pressure film assembly |
| 01/02/2008 | CN200999214Y Highly effective aerating biologic filtering tank |
| 01/02/2008 | CN101098831A Anaerobic treatment apparatus and method |
| 01/02/2008 | CN101096649A Preparation method of deodorization micro-organism agent |
| 01/02/2008 | CN101096288A Gas, breeding and water quality purification integrated operation system |
| 01/02/2008 | CN101096285A Fine bubble airlift device |
| 01/02/2008 | CN101096283A Farmer life sewage treatment system using scattered fields with landscape function |
| 01/02/2008 | CN101096282A Method for fixing plants in water |
| 01/02/2008 | CN101096281A System for purifying water pollution matter by using organisms |
| 01/02/2008 | CN101096118A Method for manufacturing polymer microporous aerator filled with mineral filler |
| 01/02/2008 | CN100359009C Preparation of chitosan imbedded microbe sphere and method for biological treatment of sewage using same |
| 01/02/2008 | CN100358814C Aeration-free drifting-biological-filler water treatment apparatus |
| 01/01/2008 | US7314748 Dormant bacteria in the fibers that can digest odor-causing matter such as spills; Bacillus megaterium, Bacillus pasteurii, Bacillus laevolacticus and Bacillus amyloliquefaciens; controlling odor associated with deposits on surfaces, particularly spills of organic material on surfaces, carpets |
| 01/01/2008 | US7314741 Anaerobic ammonium oxidation for water treatment in recirculating aquaculture |
| 01/01/2008 | US7314570 Method for removing heavy metals from media containing heavy metals by means of a Lyocell moulded body, cellulosic moulded body comprising absorbed heavy metals, and the use of the same |
| 01/01/2008 | US7314564 Covering the surface of biologically treated wastewater with hollow bodies floating on the wastewater surface; each body has a contiguous outer surface and a mass greater than 200 grams so that 30 - 70 % of the body's outer surface is exposed to atmosphere during use. |
| 01/01/2008 | US7314563 Membrane coupled activated sludge method and apparatus operating anoxic/anaerobic process alternately for removal of nitrogen and phosphorous |
| 01/01/2008 | US7314562 Floatation panels made of polymeric foam particles in a piled laminate structure to define void pathways between the particles of sufficient size and quantity to allow rainwater to flow through and of such an orientation to allow for the roots of vegetation to easily penetrate the structure |
| 01/01/2008 | US7314561 Method for purifying water |
| 01/01/2008 | US7314548 Bioventing remediation system |
| 12/27/2007 | WO2007147335A1 A septic tank |
| 12/27/2007 | WO2007077575B1 A waste water treatment plant |
| 12/26/2007 | EP1869196A2 Method and bioreactor for producing synfuel from carbonaceous material |
| 12/26/2007 | EP1868948A2 Self-contained device for biological treatment of effluents |
| 12/26/2007 | EP1868710A1 Agitating device and method for sewage treatment |
| 12/26/2007 | EP1782137B1 Method and arrangement for the online regulation of a batch process in a bioreactor |
| 12/26/2007 | EP1478600A4 Process for producing energy, feed material and fertilizer products from manure |
| 12/26/2007 | CN200996011Y External circulating-current reactor of double-nozzle air-extracting |
| 12/26/2007 | CN200995981Y Multi-chamber stabilized floating disk |
| 12/26/2007 | CN200995980Y Multifunctional water treater of integrated non-power aeration oxygen-dissolving with manual and automatic functions |
| 12/26/2007 | CN200995979Y Multi-purpose assembled spherical pot |