Patents
Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453)
05/2010
05/12/2010CN1986789B Composite immobilized enzyme material for repairing polluted water source and its preparing process
05/12/2010CN1970739B Bacterium for degradation of chlorobenzene based compound and method therefor
05/12/2010CN1884131B 复合曝气式膜生物反应器 Composite aeration membrane bioreactor
05/12/2010CN1827536B Process and equipment for treating ammonium containing liquid
05/12/2010CN1803228B Biological restoration method for p-chloronitrobenzene compound polluted environment
05/12/2010CN1785850B Vegetative cover treatment method of long buring age buring field percolate
05/12/2010CN1761625B Methods and apparatus for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater
05/12/2010CN101706107A Burning system and burning method of household wastes in small towns
05/12/2010CN101705359A Method for recovering silver in silver-containing waste water by biological method
05/12/2010CN101705202A Pseudomonas stutzeri YZN-001 for removing ammoniacal nitrogen, nitrate nitrogen and nitrous nitrogen in water body and application
05/12/2010CN101705195A Bacillus sp. E2-Y with 17 beta-estradiol degrading ability and application thereof
05/12/2010CN101704627A Sludge reduction process and device based on recessive growth technology
05/12/2010CN101704622A Method for recycling and treating dyeing reclaimed water
05/12/2010CN101704620A MBR purification method and system of domestic grey water
05/12/2010CN101704619A Process for treating and recycling city sewage water
05/12/2010CN101704618A Sewage treatment system
05/12/2010CN101704616A Bioactive percolated domestic sewage treatment device
05/12/2010CN101704615A Method for reducing sludge by adopting ultrasound-magnetic field coupling to disrupt sludge
05/12/2010CN101704614A Integrated waste water treating tank
05/12/2010CN101704613A Rural sewage ecological purification recycling device
05/12/2010CN101704612A Integrated treatment process of enhanced flocculation and bio-contact oxidation for high-salt oil-containing wastewater
05/12/2010CN101704611A Method for processing percolation liquid of domestic garbage
05/12/2010CN101704609A Feedwater treatment method by pre-ozonation and aerated biological activated carbon
05/12/2010CN101704608A Distributed sewage advanced treatment device with sludge treatment and method thereof
05/12/2010CN101704607A Boiled waste water treatment method of animal danger solid wastes
05/12/2010CN101704605A Particle (ion) flowing water body algae-removal water purifier
05/12/2010CN101704587A Adjustable multifunctional artificial wetland reaction equipment and application method
05/12/2010CN101704586A Nesting mixed flow constructed wetland
05/12/2010CN101704585A Progressively reduced aeration subsurface constructed wetland
05/12/2010CN101704584A Floating island
05/12/2010CN101704583A Floating island
05/12/2010CN101704582A Floating island
05/12/2010CN101704581A Floating island
05/12/2010CN101704580A Floating island
05/12/2010CN101704579A Floating island
05/12/2010CN101704578A Plant combination mode for raft-type ecological floating bed
05/12/2010CN101704577A Double-tube water distribution device with biomembrane reaction of subsurface flow type constructed wetland
05/12/2010CN101704576A Method for realizing synchronous denitrification in membrane bioreactor
05/12/2010CN101704575A Energy-saving and aerating filling device and integrated oxidization and sedimentation basin having same
05/12/2010CN101703866A Smoke alkali-free adsorption type biological desulphurization technology
05/12/2010CN101386453B Bioremediation system of water body
05/12/2010CN101250017B Purification technique for methyl stannum mercaptide industrial sewage
05/12/2010CN101168729B Highly effective hydrogen yield photosynthetic bacterium and application thereof
05/12/2010CN101152967B Integrated ring shaped anaerobic biogas generating pit
05/12/2010CN101098831B Anaerobic treatment apparatus and method
05/12/2010CN101062819B Sewage treatment device
05/11/2010US7713417 Method for wastewater treatment with resource recovery and reduced residual solids generation
05/11/2010US7713416 Filtration, dehydration; evaporate water by the exothermic reaction; antisepticing sludge; classification by particle size; recycling waste from waste water treatment plants; energy efficiency
05/11/2010US7713415 Method and apparatus for enhancing aquatic environments
05/11/2010US7713414 Method for removal of contaminants from water
05/11/2010US7713413 waste water treatment; transferring the mixed liquor from the oxygen-deficit aeration zone to an oxygen-surplus aeration zone
05/11/2010US7713410 Wastewater treatment apparatus
05/06/2010WO2010049971A1 Apparatus for treating organic wastewater and method of treating organic wastewater
05/06/2010WO2010049629A2 Method and device for the biological treatment of a contaminated liquid feedstock containing a dispersible and digestible organic liquid phase such as an oil or a toxic solvent
05/06/2010US20100112675 Multi-staged composting
05/06/2010US20100108588 Method of and apparatus for converting biological materials into energy resources
05/06/2010CA2741616A1 Method and device for the biological treatment of a contaminated liquid feedstock containing a dispersible and digestible organic liquid phase such as an oil or a toxic solvent
05/05/2010EP2181966A1 Simulation method, simulation apparatus, biological treatment method and biological treatment apparatus
05/05/2010EP2181073A1 Method for activated sludge wastewater treatment with high dissolved oxygen levels
05/05/2010EP1984304B1 Use of nitrate salts for suppressing disturbing odours
05/05/2010CN201447757U Intelligent ecocycle vacuum mobile toilet cleaned by ozone water
05/05/2010CN201447476U Microbial naturalizing apparatus for purifying sewage
05/05/2010CN201447407U Sewage treatment unit
05/05/2010CN201447406U Fecal sewage biological treatment device
05/05/2010CN201447390U Multifunctional pilot system for sewage processing
05/05/2010CN201447389U Conduit-propeller ecological water restoration device
05/05/2010CN201447388U Oil refining alkaline residue waste water biological oxidation device
05/05/2010CN201447387U Communicated adjustable sewage treatment equipment
05/05/2010CN201447386U Quasi-ecological bacteria filter capable of purifying overflowing gas
05/05/2010CN201447385U laval pipe disc type jet aerator
05/05/2010CN201444823U Two-section biomembrane carrier suspension curtain
05/05/2010CN1772653B Stuffing and configuration of anaerobic reactor
05/05/2010CN1769212B Method for hydraulicly controlling mud age in segmental influent and biological denitrification process
05/05/2010CN101702440A Single-chamber microbial fuel cell without metal catalyst
05/05/2010CN101701197A Novel microorganism flora mixture and mixed nutrient medium thereof
05/05/2010CN101701190A Culture method of microorganism strain capable of degrading compound pollutant in industrial wastewater
05/05/2010CN101701189A Method for culturing microbial strain for degrading industrial waste water
05/05/2010CN101700952A Low-carbon high-nitrogen wastewater treatment device
05/05/2010CN101700951A Emulsified liquid waste water treatment method
05/05/2010CN101700950A Method for treating high-concentration fermented wastewater
05/05/2010CN101700949A Waste leachate purification process method
05/05/2010CN101700948A Wastewater treatment technology for textile dyeing and finishing industry
05/05/2010CN101700946A Integrated treatment device for filtering and purifying water
05/05/2010CN101700945A Preposed acidification-tide flow polymorphic marsh group sewage treatment system and method
05/05/2010CN101700944A Method for increasing utilization rate of ozone jointly processing waste water with biological aerated filter
05/05/2010CN101700943A Printing and dyeing waste water advanced treatment recovery method
05/05/2010CN101700942A Device and method for processing waste firedamp liquid
05/05/2010CN101700934A Adjustable recovering method and device of submerged plant in polluted shallow lake
05/05/2010CN101700933A Advanced water treatment method by utilizing artificial floating island wetland
05/05/2010CN101700932A Stepped composite vertical flow artificial wetland sewage treatment device
05/05/2010CN101700931A Method for regulating and controlling sludge quality in membrane bioreactor
05/05/2010CN101700930A Automatic spraying defoaming device for waste leachate treatment
05/05/2010CN101700929A Soil ditch for purifying domestic wastewater and construction method thereof
05/05/2010CN101700928A Intermittent filtration program controller of membrane bioreactor module
05/05/2010CN101700925A Method for preparing biological composite nano-water-purifying materials for removing radioactive substances in water
05/05/2010CN101039745B Method for the physical and biological treatment of a biomass and device for carrying out said method
05/04/2010US7708887 waste water treatment system comprising a pressure responsive valve; producing a pressure differential across the walls to cause flow of feed liquid and withdrawal of filtrate liquid, and backwashing the membrane filter; used in a domestic situation or in a remote isolated area
05/04/2010US7708886 Passing a liquid through a fluidised bed of a biofilm on carrier particles within a bioreactor, fluidising the bed by the upwards passage of the liquid, removing carrier particles having an excess of biofilm on their surface,recycling and injecting into the bed, removing excess biofilm
05/04/2010US7708885 Anaerobic digestion apparatus, methods for anaerobic digestion and for minimizing the use of inhibitory polymers in digestion
05/04/2010US7708884 Process for aerobic-thermophilic stabilization and disinfection of sludge