Patents
Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453)
06/2010
06/10/2010US20100140166 Process for fermentive preparation of alcohols and recovery of product
06/10/2010US20100140165 Method and Plant for the Treatment of an Aqueous Waste Stream
06/10/2010CA2745209A1 Sewage nitrate removal by free-draining asphyxiant filtration and carbon addition
06/10/2010CA2745207A1 Biological filtration system with socks of absorbent material
06/09/2010EP2193101A2 Sequential biological reactor having a selector for the treatment of municipal or industrial wastewaters
06/09/2010EP2192973A1 Disc type filtration device with aeration plates
06/09/2010CN201501820U Artificial wetland system used for removing ammonium salt
06/09/2010CN201501819U Sewage treatment system utilizing drainage ditch
06/09/2010CN201501814U Solar anaerobic granular sludge circulating reactor
06/09/2010CN201501813U Grate-type aerator of submerged flat membrane component of membrane bioreactor
06/09/2010CN201501812U Biological filter wall used for biological purification of water body
06/09/2010CN101725988A Integrated method for treating and utilizing refuse
06/09/2010CN101724594A Pseudomonas stutzeri CY003 for efficiently removing trite nitrogen, nitrate nitrogen and ammonia nitrogen from water and application thereof
06/09/2010CN101724593A Pseudomonas fluorescens product and application thereof
06/09/2010CN101724583A Method for producing microorganisms for processing ammonia-containing wastewater
06/09/2010CN101723564A Garbage percolate treating process by biochemical and membrane separation
06/09/2010CN101723563A Device for treating domestic wastewater
06/09/2010CN101723562A Round integrated oxidation ditch
06/09/2010CN101723561A Purification treatment process for high salt organic wastewater in cellulose production
06/09/2010CN101723560A Integrated A/O bacteria filter device for treating dispersed wastewater
06/09/2010CN101723559A Process for processing saccharin sodium wastewater
06/09/2010CN101723557A Micro-organism treatment process for printing and dyeing waste water
06/09/2010CN101723556A Improved treatment system of activated sludge of urban sewage and starting method
06/09/2010CN101723555A Photocatalytic-oxidation biological floating bed algae removing device
06/09/2010CN101723554A Chemical fertilizer waste water treatment method
06/09/2010CN101723553A Processing method of waste plastic disassembling composite wastewater
06/09/2010CN101723552A Treatment method of garbage leachate
06/09/2010CN101723547A Anti-blocking method for artificial wetland
06/09/2010CN101723546A Biological treating and filtering system for wastewater and the method of recycling the wastewater
06/09/2010CN101723545A Treating method of high concentration hard-degradation organic waste water
06/09/2010CN101723544A Advanced treatment method of heavy oil sewage
06/09/2010CN101723543A Method for treating domestic wastewater
06/09/2010CN101723542A Method for treating ammonia nitrogen wastewater
06/09/2010CN101723540A Water treatment method through combination of catalytic oxidation and aeration biological filter
06/09/2010CN101723539A Method for treating or recycling waste water with high salt content and applications
06/09/2010CN101723538A Process for treating landfill leachate
06/09/2010CN101723537A Novel process for urban sewage reutilization and treatment
06/09/2010CN101723521A Method for preparing water purification agent for degrading nitrite and ammoniacal nitrogen in aquaculture water body
06/09/2010CN101723520A Method for cutting low-pollution water load of venous riverway
06/09/2010CN101723519A Biological algae control technology and application thereof in treating blue-green algae of Lake Tai
06/09/2010CN101723518A Floating island
06/09/2010CN101723517A Floating island
06/09/2010CN101723516A Floating island
06/09/2010CN101723515A Method for strengthening sponges to enrich heavy metal in seawater
06/09/2010CN101723514A Degraded lakeside wetland and restoration technology for ecological function thereof
06/09/2010CN101723513A Vertical membrane bioreactor
06/09/2010CN101723512A Ammonia-contained waste water high-efficiency biochemical processing method
06/09/2010CN101723511A Method for realizing vertical flow of A20 process of sewage treatment and structure thereof
06/09/2010CN101723510A Preliminary dexidation-anaerobism-oxygen deficit-multistage aerobic/anaerobic biological N and P removing method and device
06/09/2010CN101723509A Swirl stirring device for wastewater biological treatment anaerobic (anoxic) tank
06/09/2010CN101723508A Submersible plugflow aeration machine
06/09/2010CN101723507A Three-dimensional concrete filling material for water treatment and preparation method thereof
06/09/2010CN101723500A Efficient water treating restoring device
06/09/2010CN101723430A Method for comprehensive utilization of waste water generated in purifying process of citric acid
06/09/2010CN101720714A Ecological purification method of culture water in seawater culture pond
06/09/2010CN101720636A Overwater floating planting device
06/09/2010CN101720616A Water-surface cultivation method and water-surface cultivation device used by same
06/09/2010CN101348302B Biological film type internal circulation anaerobic reactor
06/09/2010CN101337738B Process for removing bio foam in sewage disposal process by activated sludge process
06/09/2010CN101333499B Complex active bacterial biological water purifying a gent and method for preparing same
06/09/2010CN101323487B Taic anaerobic reactor
06/09/2010CN101318739B Ammonia nitrogen processing method for hide manufacture wastewater
06/09/2010CN101302071B Method for processing palm oil waste water and use thereof
06/09/2010CN101298350B Swirl circulation type hydrolysis equipment
06/09/2010CN101298349B Sewerage synchronization denitrification apparatus and method by solar energy heating
06/09/2010CN101274802B Manufacture method of bamboo raft type ecological floating bed
06/09/2010CN101270346B Butachlor degradation bacterium and application thereof
06/09/2010CN101264999B Process and apparatus for treating sewage
06/09/2010CN101264979B Method for realizing short distance deep denitrogenation under low temperature
06/09/2010CN101259978B Method and device for synchronously treating steel pickling waste water and coking waste water
06/09/2010CN101254980B Biological denitrification system and method for low C/N ratio high strength ammonia chemical comprehensive wastewater
06/09/2010CN101254979B Domestic sewage dispersant type anaerobic contact treatment technique
06/09/2010CN101235358B Sludge sinorhizobium with aniline degradation capability and application thereof
06/09/2010CN101234819B Hollow fiber membrane module, film bioreactor and water treatment device
06/09/2010CN101215066B Technique for treating chitin waste water
06/09/2010CN101215045B Three-compartment immersion type anaerobic film bioreactor
06/09/2010CN101200341B High road service area sewage water treating process and dynamic membrane bioreactor
06/09/2010CN101157501B Helminth attaching biological bed for deweighting city sewage sludge
06/09/2010CN101130447B Method for optimizing controlling denitrification and phosphorus release in double precipitation pool by A2/O technique
06/08/2010US7731852 Biomass support members and panels, biological processes and biological wastewater treatment apparatus
06/08/2010US7731851 Waste water treatment
06/08/2010US7731850 removing impurities contained in high concentration wastewater, crushing, aerobic treatment step of supplying wastewater containing organic acids to aerobic tank and injecting air, anaerobic treatment step, degassing, precipitating
06/08/2010US7731842 Submerged fixed film anoxic bioreactor
06/03/2010WO2010061879A1 Fresh water production method, fresh water production apparatus, method for desalinating sea water into fresh water, and apparatus for desalinating sea water into fresh water
06/03/2010WO2010061365A1 Determining biofilm thickness in a membrane supported biofilm reactor
06/03/2010WO2010030310A9 Microbial based chlorinated ethene destruction
06/03/2010WO2010008750A3 Recovery of liquid hydrocarbons
06/03/2010US20100136665 System and process for reutilization of used disposable diapers
06/03/2010US20100133179 System and method for treating wastewater containing ammonia
06/03/2010US20100133178 Septic system cleaning
06/03/2010US20100133177 anaerobic process to dephosphorization and denitrification from waste water; biodegradation
06/03/2010US20100133176 Anaerobic reactor with auger in the effluent line
06/03/2010US20100133158 Liquid-solid circulating fluidized bed waste water treatment system for simultaneous carbon, nitrogen and phosphorus removal
06/03/2010US20100133156 Biofilter units and water treatment facilities with using the same biofilter units
06/03/2010US20100133154 Apparatus, System and Method for Remediation of Contamination
06/02/2010EP2192379A1 Determining biofilm thickness in a membrane supported biofilm reactor
06/02/2010EP2190791A2 Method for continuous processing of solid organic products and installation for continuous processing of solid organic products
06/02/2010EP2190789A2 Enhanced biodegradation of non-aqueous phase liquids using surfactant enhanced in-situ chemical oxidation
06/02/2010CN201497738U Novel pH on-line monitoring device in biological nitrogen removal system
06/02/2010CN201495535U Algae trapping and purifying device at water intake of eutrophic lake reservoir