| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 05/29/2013 | CN102531485B Biological aerated filter packing prepared from silt of Yellow River and preparation method for biological aerated filter packing |
| 05/29/2013 | CN102531172B Sewage treatment method for room temperature nitrosation-anaerobic ammoxidation coupling symbiotic denitrification device for municipal sewage |
| 05/29/2013 | CN102432105B Method and device for efficiently denitriding and dephosphorizing underground percolation sewage |
| 05/29/2013 | CN102424484B Sewage treatment material |
| 05/29/2013 | CN102423697B Immobilized biological adsorbent, its preparation method and application |
| 05/29/2013 | CN102381758B Water treatment process and device for synchronously producing electricity and removing nitrate from underground water |
| 05/29/2013 | CN102352316B Composite germ pulp, and production method and application thereof |
| 05/29/2013 | CN102321539B Fermentation and preparation of composite microbial agent for degrading sulfonylurea herbicide with high efficiency |
| 05/29/2013 | CN102126817B AO high-efficiency nitrogen and phosphorus removal system |
| 05/29/2013 | CN101952210B Fluid filtration articles and methods of making and using the same |
| 05/28/2013 | CA2706431C Process for the treatment of wastes combining a phase of treatment by methanization and a phase of thermophilic aerobic treatment |
| 05/28/2013 | CA2624596C Bioreactor and method for the biological purification of water |
| 05/23/2013 | WO2013074929A1 Using continuous nitrate measurement to control aeration in an aerated-anoxic process |
| 05/23/2013 | WO2013074886A2 Downflow denitrification system |
| 05/23/2013 | WO2013071401A1 Method and system for the bioelectrochemical treatment of organic effluents |
| 05/23/2013 | WO2012175080A3 Use of a biocomposite material for removing arsenic contaminants from water, and method therefor |
| 05/23/2013 | US20130130357 Anaerobic Digestion Method |
| 05/23/2013 | US20130126428 Bioremediation reactor systems |
| 05/23/2013 | US20130126427 Method for the remediation of salt containing wastewater streams |
| 05/23/2013 | US20130126426 Method for the remediation of water generated from natural resource production operations |
| 05/23/2013 | US20130126425 Advanced Biologic Water Treatment Using Algae |
| 05/23/2013 | US20130126424 Anaerobic purification of waste water in an upflow reactor, and method of implementing same |
| 05/23/2013 | US20130126423 Methods of inhibiting microorganism growth using moss |
| 05/23/2013 | US20130126412 Downflow denitrification system |
| 05/23/2013 | US20130126407 Leach Field System |
| 05/23/2013 | CA2855835A1 Downflow denitrification system |
| 05/23/2013 | CA2852298A1 Using continuous nitrate measurement to control aeration in an aerated-anoxic process |
| 05/22/2013 | EP2593407A1 Methods for the inactivation of antibiotics |
| 05/22/2013 | EP2593406A1 Natural -origin enzymatic bioremediation with wide applicability, the substrate being an environment consisting of extracts from oleaginous vegetable sources added to an isomer mixture |
| 05/22/2013 | EP2593405A2 Siphon weir valve for high flow municipal water treatment systems |
| 05/22/2013 | CN202945099U Wind and solar complementary aeration sewage treatment system |
| 05/22/2013 | CN202945098U Micro-power micro-charge sewage treatment device |
| 05/22/2013 | CN202945097U Efficient denitrification biomembrane fluidized bed reactor |
| 05/22/2013 | CN202945096U Variable-volume hydrolysis acidification and A/O (anoxic/oxic) integration sewage treatment device |
| 05/22/2013 | CN202945095U Scum breaker of anaerobic reactor |
| 05/22/2013 | CN202945094U Continuous loop type high-efficient anaerobic hydrolysis tank |
| 05/22/2013 | CN202945093U Jetting water distributor and water distribution and agitation system of anaerobic tank |
| 05/22/2013 | CN202945092U Integrated MBR membrane bioreactor |
| 05/22/2013 | CN103118991A Membrane air diffuser |
| 05/22/2013 | CN103117405A Multifunctional denitrification microbial fuel battery |
| 05/22/2013 | CN103114560A Method for constructing artificial ecological island in river |
| 05/22/2013 | CN103114084A Method for fixing oil decomposing bacteria by polyurethane foam |
| 05/22/2013 | CN103114068A Piperazine degraded achromobacter strain MBPQ-CG and application thereof |
| 05/22/2013 | CN103114066A Diethylamine degradation pseudomonas strain EYA-2 and application thereof |
| 05/22/2013 | CN103114065A Piperazine degraded paracoccus PQ-01 and application thereof |
| 05/22/2013 | CN103114062A Denitrifying phosphate-accumulating organism with nitrogen and phosphorus removal functions and applications thereof |
| 05/22/2013 | CN103114050A Halobacillus kuroshimensis HSQAY1 with capacity of dissolving skeletonema costatum and application thereof |
| 05/22/2013 | CN103112993A Method for processing oilfield wastewater and fixing CO2 (carbon dioxide) by using microalgae |
| 05/22/2013 | CN103112992A Method and device for purifying treatment wastewater prior to painting by adopting constructed wetland |
| 05/22/2013 | CN103112988A Multilevel compound coupling artificial wetland system and its application |
| 05/22/2013 | CN103112960A Underwater aerator with improved structure |
| 05/22/2013 | CN103112955A Method for degrading and decolorizing malachite green wastewater by utilizing deinococcus radiodurans R1 |
| 05/22/2013 | CN103112954A Method for prevention and control of non-point source pollution and cyclic utilization of resources of tea garden and system thereof |
| 05/22/2013 | CN103112953A Construction method of ecological blocking channel adopting scripus triqueter as dominant seeds |
| 05/22/2013 | CN103112952A Comprehensive utilization method of floating plants for water eutrophication control |
| 05/22/2013 | CN103112951A Biochemical method for treating synthetic leather wastewater containing dimethylformamide |
| 05/22/2013 | CN103112950A Dynamic-membrane anaerobic-aerobic integrated online backwash treatment method for printing and dyeing wastewater |
| 05/22/2013 | CN103112949A SBR (sequencing batch reactor) semi-short-distance nitrification process control method |
| 05/22/2013 | CN103112948A Method for rapidly culturing autotrophic nitrogen removal granule sludge under conditions of low substrate concentration and high ascending velocity |
| 05/22/2013 | CN103112947A Method suitable for nitrosation stable operation of low-temperature and low-ammonia nitrogen SBR (sequencing batch reactor) |
| 05/22/2013 | CN103112946A Culturing method of rare earth praseodymium modified aerobic granular sludge |
| 05/22/2013 | CN103112945A SBR (Sequencing batch reactor) nitrosation quick start method |
| 05/22/2013 | CN103112944A Internal circulating nitrification filtering tank |
| 05/22/2013 | CN103112943A Multi-component PVC (polyvinyl chloride) biological filler |
| 05/22/2013 | CN103112942A Live sand preparation device |
| 05/22/2013 | CN103112941A Town sewage treatment system |
| 05/22/2013 | CN103112940A Biological membrane carrier in biological fluidized bed |
| 05/22/2013 | CN103112915A Circulation well method and device for removing pollutants in underground water |
| 05/22/2013 | CN102703350B Application of salt-tolerant nitrogen and phosphorus removing bacillus altitudinis to wastewater treatment |
| 05/22/2013 | CN102660472B Method for degrading phthalic acid esters in water by using ultramicro bacteria under oligotrophic conditions |
| 05/22/2013 | CN102633413B Treatment process for wastewater of oilfield extracted by three compound combination flooding |
| 05/22/2013 | CN102633369B Method for repairing micro-polluted water body by utilizing bottom mud biological agent |
| 05/22/2013 | CN102616949B Automatic switching device for water-lifting aeration equipment and bottom oxygenation mixed equipment |
| 05/22/2013 | CN102557348B Soil remediation and sewage purification integrated ecological treatment device |
| 05/22/2013 | CN102533623B Achromobacter xylosoxidans with denitrification and dephosphorization function and application of Achromobacter xylosoxidans |
| 05/22/2013 | CN102476864B Rapid self-forming method of vallisneria natans underwater meadow |
| 05/22/2013 | CN102311935B Controlled release microecological preparation for water quality improvement and preparation method thereof |
| 05/22/2013 | CN102229889B Chlorella, its culture method and applications |
| 05/22/2013 | CN102219335B Device for domestic sewage processing with earthworm soil diafiltration |
| 05/22/2013 | CN102153254B Anoxic and aerobic cyclic activated sludge process |
| 05/22/2013 | CN102079607B Lincomycin wastewater advanced treatment and water recycling technology |
| 05/22/2013 | CN101992841B Floating island on sea and detachable hanging bridge and plank house affiliated thereto |
| 05/22/2013 | CN101693587B Artificial wetland rural sewage courtyard type landscape treating device capable of denitrifying and dephosphorizing in regions |
| 05/22/2013 | CN101684018B Aerator |
| 05/22/2013 | CN101613151B Plant for deep biological treatment of effluents |
| 05/21/2013 | US8445259 Method and apparatus for treatmet of sludge |
| 05/21/2013 | US8445258 Recycling of waste material |
| 05/21/2013 | US8445253 High performance nitrifying sludge for high ammonium concentration and low temperature wastewater treatment |
| 05/21/2013 | US8444855 Method and device for removing contaminates from fluid-material |
| 05/21/2013 | US8444854 Process for the treatment of wastes combining a phase of treatment by methanization and a phase of thermophilic aerobic treatment |
| 05/16/2013 | WO2013071229A1 Process and apparatus for gas-enriching a liquid |
| 05/16/2013 | WO2013069026A1 Self-sustainable zero influent and zero discharge waste to energy system and method for treating sugar industry effluent and distillery spent wash |
| 05/16/2013 | WO2013068545A1 Method and device for treating and purifying wastewater |
| 05/16/2013 | US20130118976 Devices for water treatment |
| 05/16/2013 | CA2854906A1 Process and apparatus for gas-enriching a liquid |
| 05/15/2013 | EP2592055A1 Trace element solution for biogas processes |
| 05/15/2013 | EP2592051A1 Method and device for treating and purifying wastewater |
| 05/15/2013 | EP2591838A1 Method for separating an aqueous substrate in a concentrate and a filtrate |
| 05/15/2013 | EP2591118A2 Process for obtaining dinitrogen monoxide (n²o) |
| 05/15/2013 | EP2590900A1 Purifier comprising a solids separation device, and method for wastewater purification |