Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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01/01/2014 | CN103482769A Plant purification method for water polluted by cadmium |
01/01/2014 | CN103482768A Method and device for purifying sewage and continuously generating electricity synchronously |
01/01/2014 | CN103482767A Method for improving anti-impact load capability of coking wastewater O/A/O (oxic/anoxic/oxic) biochemical treatment system |
01/01/2014 | CN103482766A Device for performing synchronous nitration and denitrification on percolate by using mineralized rubbish reaction bed |
01/01/2014 | CN103482765A Quick starting method for technology for simultaneous denitrification and COD removal under condition of normal-temperature and low-C/N sewage |
01/01/2014 | CN103482764A Hydrolytic acidification tank based on granular sludge reinforced flocculation technique |
01/01/2014 | CN103482763A Polymorphic microorganism aggregate autotrophic nitrogen removal integrated device and operation method |
01/01/2014 | CN103482762A Sulfide wastewater anaerobic desulfurization method capable of enhancing conversion rate of simple substance sulfur |
01/01/2014 | CN103482761A Operation method of deep underground soil infiltration system sewage treatment unit |
01/01/2014 | CN103482760A Multi-mode biological reaction tank with aeration oxidation ditches |
01/01/2014 | CN103482759A Novel immersed membrane bioreactor component |
01/01/2014 | CN103482758A Cruising type water quality purifier for natural water body |
01/01/2014 | CN103482757A Novel process for cleaning filter material in biological filter |
01/01/2014 | CN103482756A Aerating device for biological sewage treatment tank |
01/01/2014 | CN103482755A Rotating disk microfiltration apparatus |
01/01/2014 | CN103482754A Shell ceramsite biological carrier and preparation method thereof |
01/01/2014 | CN103482753A Pulse water distributor |
01/01/2014 | CN103214097B Method for reconstructing ecosystem by using endangered aquatic organisms |
01/01/2014 | CN103145233B Method for achieving fast cultivation of shortcut nitrifying granule sludge |
01/01/2014 | CN103121752B Method for processing urban sewage nitrifying liquid by sludge fermentation and denitrification coupled with anaerobic ammonia oxidation |
01/01/2014 | CN103058374B Method for treating high-content ammonia and nitrogen for shortcut nitrification to discharge effluent by coupling simultaneous denitrification of sludge fermentation with autotrophic nitrogen removal |
01/01/2014 | CN103043800B 复合型表流湿地系统 Complex flow wetland system table |
01/01/2014 | CN103013944B Hydrolytic enzyme for diethyl phthalate plasticizer |
01/01/2014 | CN103011408B Method for starting and stably keeping micro-expansion of sludge in synchronous biological nitrogen and phosphorus removal system |
01/01/2014 | CN102942251B Multi-nozzle jet-flow micro-nano bubble aerator |
01/01/2014 | CN102874919B Method for estimating difficulty of biological nitrogen and phosphorus removal in wastewater treatment |
01/01/2014 | CN102864098B Denitrification phosphorus removal bacterium H-hrb02 as well as screening method and application thereof |
01/01/2014 | CN102849850B Reduction control device and method for N2O produced in denitrification dephosphorization process |
01/01/2014 | CN102815791B Diaphragm type biological purification tank |
01/01/2014 | CN102745804B Membrane biological treatment method for enhanced nitrogen removal |
01/01/2014 | CN102677745B Water-saving system |
01/01/2014 | CN102557356B Process and method for denitrification and phosphorus removal of municipal sewage by half shortcut nitrification and anaerobic ammonium oxidation |
01/01/2014 | CN102557248B Method for fast culturing anaerobic granular sludge |
01/01/2014 | CN102553456B Surface modification method of mesh-shaped and non-woven fabric membrane material used for water treatment and application of surface modification method |
01/01/2014 | CN102515363B Aquatic artificial wetland capable of purifying water, and manufacturing method thereof |
01/01/2014 | CN102502966B Manual hydroponic wetland device with nitrogen-phosphorus nutritive salt enrichment function |
01/01/2014 | CN102344198B Real-time control apparatus for floated aerobic biofilm A<2>O system for treating low C/N sewage, and method thereof |
01/01/2014 | CN101397169B 带状扩散器 Strip diffuser |
12/31/2013 | US8618021 Method of manufacturing compositions for removing halogenated hydrocarbons from contaminated environments |
12/31/2013 | CA2574913C Integrated permeate channel membrane |
12/31/2013 | CA2453228C Wastewater treatment system |
12/27/2013 | WO2013191313A1 Ecologically sustainable multi-cell and multi-lane structured biotope system utilizing wetland, pond, and settling reservoir structures |
12/27/2013 | WO2013190486A1 Method for treating organic waste, in particular sludge from wastewater treatment plants, and facility for implementing said method |
12/27/2013 | WO2013190361A1 System and method for biogas and fertilizer production from household organic waste |
12/27/2013 | WO2013082467A3 Method and system for ozone vent gas reuse in wastewater treatment |
12/26/2013 | US20130341268 Method and system for treating wastewater |
12/26/2013 | US20130341267 Treatment for molasses spent wash and other wastewaters |
12/26/2013 | US20130341266 Altering metabolism in biological processes |
12/25/2013 | EP2676936A2 Method for operating a denitrification plant and denitrification plant |
12/25/2013 | EP2676935A1 Method and plant for purification of water in a closed aquaculture system |
12/25/2013 | EP2675756A2 Method and system for controlling carbon source feed to denitrification filters |
12/25/2013 | EP2143483B1 Aerating unit and aerating apparatus equipped therewith |
12/25/2013 | CN203360130U Aeration machine |
12/25/2013 | CN203360128U Novel aerator structure |
12/25/2013 | CN203360124U General small and medium-sized sewage purification system |
12/25/2013 | CN203360123U Special-shaped ecological base for governing lakes and reservoirs |
12/25/2013 | CN203360122U Water pollution prevention treatment device |
12/25/2013 | CN203360121U Three-dimensional suspension device for purifying water quality of ecological ditch by utilizing freshwater mussels |
12/25/2013 | CN203360120U Dry and wet mixed combined ecological floating bed |
12/25/2013 | CN203360119U Energy-consumption-free constructed wetland experiment device |
12/25/2013 | CN203360118U Improved bio-augmentation membrane bioreactor |
12/25/2013 | CN203360117U Multipoint inflowing circulation A/O sewage treatment system |
12/25/2013 | CN203360116U PEIC anaerobic reactor maintenance device replacing methane with nitrogen |
12/25/2013 | CN203360115U Air blowing device for anaerobic reactor |
12/25/2013 | CN203360114U Anaerobic reactor inlet/outlet pipeline structure capable of delaying scaling |
12/25/2013 | CN203360113U Power generating system applicable to pharmaceutical and chemical wastewater treatment anaerobic tower |
12/25/2013 | CN203360112U Improved UASB reactor for treating waste water of food industry |
12/25/2013 | CN203360111U Three-stage circulation aerobic reactor |
12/25/2013 | CN203360110U Multidirectional submersible plug-flow aeration machine |
12/25/2013 | CN203360109U Aerator used for underwater oxygenization |
12/25/2013 | CN203360108U Dual-aeration MBR (membrane bioreactor) membrane tank provided with spiral ultraviolet sewage disinfection device |
12/25/2013 | CN203360107U Spiral-flow type spherical suspended filler |
12/25/2013 | CN203360106U Sewage biological aerated filter utilizing solar energy |
12/25/2013 | CN203360105U Continuous sequencing-batch biological sewage treatment device |
12/25/2013 | CN203360104U Electric control device for processing wastewater treatment combination filler monomer |
12/25/2013 | CN203360103U Novel underwater oxygenation aerator |
12/25/2013 | CN203360102U Membrane bioreactor with low pollution and biological enhancement |
12/25/2013 | CN203360101U Sewage biological aerated filter utilizing wind energy |
12/25/2013 | CN203360100U Wastewater treatment combined filler monomer convenient to manufacture |
12/25/2013 | CN103476711A Method and system for controlling carbon source feed to denitrification filters |
12/25/2013 | CN103472217A Quick evaluation method and quick evaluation device for ammonia nitrogen removal characteristics of different biological fillings |
12/25/2013 | CN103469882A Inspection well for automatically supplementing oxygen to downstream sewage pipeline by water flow |
12/25/2013 | CN103469761A Farmland runoff loss nutrient recycling system and application |
12/25/2013 | CN103468667A Preparation method of immobilized aerobic denitrifying bacteria |
12/25/2013 | CN103468621A Compound microorganism preparation capable of purifying water |
12/25/2013 | CN103468609A Polycyclic aromatic hydrocarbon and organic tin combined pollution treatment fungicide as well as preparation method and application thereof |
12/25/2013 | CN103468608A Complex flora for sewage treatment and culture method of complex flora |
12/25/2013 | CN103468605A Enterobacteria CJ-22 separated from cold water paddy field soil, and application thereof |
12/25/2013 | CN103468598A Humic acid degrading strain, and screening method and application method thereof |
12/25/2013 | CN103468586A Penicillium strain and application in treatment of sewage and odor pollution thereof |
12/25/2013 | CN103468578A Chlorella strain for synchronously treating municipal sewage and implementing grease accumulation |
12/25/2013 | CN103468577A Nannochloropsis sp mutant strain and application thereof |
12/25/2013 | CN103466905A Method for treating nitrobenzene and aniline in wastewater by using microorganisms |
12/25/2013 | CN103466904A Method for treating high-concentration waste water containing nitrogen with microorganisms |
12/25/2013 | CN103466903A Method for treating coal chemical industry wastewater by using microorganisms |
12/25/2013 | CN103466897A Waste water processing method |
12/25/2013 | CN103466811A Method for utilizing methanogenesis anaerobic bacterial flora to treat paper-making waste water |
12/25/2013 | CN103466810A Method for polluted river comprehensive treatment |
12/25/2013 | CN103466809A Method for restoring groundwater nitrate pollution |
12/25/2013 | CN103466808A Process technology for degrading anthraquinone compound in waste water by employing aspergillus oryzae |