Patents
Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453)
05/2009
05/20/2009CN101434435A Method and apparatus for using aerating biological filter in advanced treatment of dyeing waste water
05/20/2009CN101434434A Reverse umbrella type oxidation ditch aeration machine impeller structure
05/20/2009CN101434433A Method for producing nano ecological matrix for water purification
05/20/2009CN101434420A Riverway permeable reaction wall system and use thereof
05/20/2009CN101433190A Method for promoting growth of Habrotrocha sp. using bee honey residue
05/20/2009CN100489088C Xylose staphylocci for degrading 2-picoline and its use
05/20/2009CN100489087C Degradable phenylethane xylose staphylococci and its use
05/20/2009CN100488902C Carbon source synergistic metabolism biological treatment method for persistent organic pollutant in waste water of paper making by waste paper
05/20/2009CN100488901C Treatment method for mature landfill leachate
05/20/2009CN100488896C Multiple microbes waste water treating agent and its waste water recovering and utilizing process
05/20/2009CN100488895C Multi-stage inner-circulation nitration-denitrification biological denitrogenation reactor
05/20/2009CN100488894C Method of utilizing recovered magnesium ammonium phosphate and apparatus therefor
05/20/2009CN100488893C Preparation and application in industrial effluent treatment of biomembrane carrier
05/20/2009CN100488892C Pressurized catalysis biological contact oxidation tower (device)
05/20/2009CN100488883C Water treatment method and water treatment apparatus
05/19/2009US7534351 Pressurized biological waste water purification process
05/19/2009US7534350 saturating various fluid media with oxygen, for example for aeration and can be used for the food industry, pharmaceutics, perfumery and cosmetics, physio- and aromotherapy, water supply systems, fishing and agriculture, including producing beverages, good additives, drugs, novel perfume and cosmetics
05/19/2009US7534343 Device for collecting clarified water for a basin and corresponding basin
05/14/2009WO2009061224A1 The method of reducing excessive growth of filamentous bacteria in activated sludge, the process of reducing the bulking of activated sludge and use of naturally occurring organisms in the activated sludge to prevent its bulking
05/14/2009WO2009059794A1 Water-storing and water-cleaning system
05/14/2009WO2009059616A1 Method for material conversion
05/14/2009WO2009038851A3 Treatment and prevention systems for acid mine drainage and halogenated contaminants
05/14/2009WO2008015688A3 Method for bio-assisted treatment of hydrocarbon contaminated soil
05/14/2009WO2007047992A3 Biostimulation agent for bioremediation and methods therefor
05/14/2009US20090120871 Devices for water treatment
05/14/2009US20090120870 Apparatus, System and Method for Recovery of Artifacts and Eradication of Invasive Species in Aquatic Environments
05/14/2009US20090119980 Abandoned mine discharge algae clean up
05/14/2009DE102008045214A1 Conversion of highly charged nitrogen containing water into protein- and fat containing biomass, comprises converting energy depleted water with high nitrogen concentration into protein containing biomass by aerobic assimilation
05/14/2009DE102007054211A1 Verfahren zur Chemikalien-Rückgewinnung aus Abwasser mit oxidativer Vorbehandlung Method for chemical recovery from wastewater with oxidative pretreatment
05/14/2009DE102007054209A1 Verfahren zur Chemikalien-Rückgewinnung aus Abwasser Method for chemical recovery from wastewater
05/14/2009DE102007054208A1 Verfahren zur Rückgewinnung von Chemikalien aus Abwasser unter Verwendung von Stickstoff-Verbindungen A process for recovering of chemicals from waste water using nitrogen compounds
05/14/2009DE102007054207A1 Zweistufiges Verfahren zur Chemikalien-Rückgewinnung aus Abwasser Two-stage process for chemical recovery from wastewater
05/13/2009EP2058441A1 System for storing and purifying water
05/13/2009CN201236167Y Floating island of purified water body
05/13/2009CN201236166Y Floating island wetland filter bed
05/13/2009CN201236165Y Zanjon type gas-lift stream-pull tridimensional circulation type integral co-construction oxidation ditch
05/13/2009CN201236164Y Synthetic oxygenation aeration machine
05/13/2009CN201236163Y Stuffing capable of supporting microorganism
05/13/2009CN201236162Y Nature active ecological treatment pool
05/13/2009CN201234481Y Superaqueous grassplot
05/13/2009CN101432233A Biological treatment method and apparatus for organic wastewater
05/13/2009CN101429487A M-sporangiocyst bacterium Q5-1 for purifying chromium pollution in wastewater and uses thereof
05/13/2009CN101429486A Brood cell bacillus MK3-1 for purification of heavy metal pollution and uses thereof
05/13/2009CN101428946A Integrated treatment process and equipment for domestic wastewater
05/13/2009CN101428945A Method and apparatus for treating and recycling carbonized wastewater
05/13/2009CN101428944A Method for recycling purified terephthalic acid wastewater
05/13/2009CN101428943A Full-flow process for upgrading and reconstructing urban sewage factory
05/13/2009CN101428942A Novel municipal sewage treatment technology without excess sludge discharge
05/13/2009CN101428941A Process and apparatus for treating wastewater from pulping papermaking
05/13/2009CN101428940A Method for treating carbonized wastewater
05/13/2009CN101428939A System for advanced treatment and recycle of cold rolling wastewater
05/13/2009CN101428938A Treatment process for garbage leachate
05/13/2009CN101428937A System for regenerating and recycling papermaking wastewater
05/13/2009CN101428936A Treatment process for suspended matter-containing wastewater
05/13/2009CN101428935A Treatment process for wastewater from N-(Phosphonomethyl)iminodiacetic acid production
05/13/2009CN101428934A Apparatus for treating waste water apparatus for treating waste water from regeneration slurry boxboard production
05/13/2009CN101428933A Biological agent cooperated hydrolyzation-blowing off treatment process for nickel-ammonia wastewater
05/13/2009CN101428932A Method for treating stibium-containing wastewater with biological agent
05/13/2009CN101428931A Method for treating beryllium-containing wastewater with biological agent
05/13/2009CN101428930A Treatment process for hydrargyrum-containing flue gas washing wastewater from nonferrous metal smelting with biological agent
05/13/2009CN101428929A Method for direct advanced treatment for heavy metal wastewater with biological agent
05/13/2009CN101428928A Treatment method for manganese-containing wastewater biological agent
05/13/2009CN101428927A Combined process for treatment and qualified discharge of garbage leachate
05/13/2009CN101428909A Composite artificial ecological floating island and construction method thereof
05/13/2009CN101428908A Ecological green space for treating feces of toilet
05/13/2009CN101428907A Method for cultivation of particle sewage sludge in anaerobic/oxygen lack-aerobic sequencing batch reactor
05/13/2009CN101428906A System and method for restoring triclene polluted groundwater
05/13/2009CN101428905A Integral anaerobic dynamic membrane bioreactor and method of operation
05/13/2009CN101428904A Gas winding cycle stream stirring system for open type oxygen lack pool
05/13/2009CN101428903A Method and apparatus for collecting bacterial cells, method for acclimatizing bacterial cells, and wastewater treatment equipment
05/13/2009CN101428902A Organic pollution water course in situ processing equipment
05/13/2009CN101428901A Bamboo charcoal-polyvinyl formal biological carrier and preparation thereof
05/13/2009CN101428900A Water purifier
05/13/2009CN101428899A Process for producing membrane bioreactor microfiche filter membrance for urban wastewater treatment
05/13/2009CN101428898A Ecological purifying device for waste water
05/13/2009CN101428897A Process for producing granula for removing pesticide residue in water
05/13/2009CN101428896A Baffling high-efficiency bio-filter pool and manufacturing method thereof
05/13/2009CN101428890A Novel method for simultaneously removing azotate and pesticide from groundwater
05/13/2009CN100487199C Ecological river bed construction method
05/13/2009CN100487105C High-effective microorganism complex agent and method of using the same for treating city sewage
05/13/2009CN100486922C Integral sputtering-oxygenating-biofiltering waste water purifying apparatus and process
05/13/2009CN100486921C Method for treating waste water in production of 4,6-dinitro o-sec-butyl phenol
05/13/2009CN100486913C Front denitrification sewage treater, treatment, its automatic controller and control thereof
05/13/2009CN100486912C Highly effective anaerobic reaction water treatment method and device for kitchen garbage
05/13/2009CN100486911C Deep pool aeration waste water ecological processing method
05/13/2009CN100486681C Outer installation type gas lift circulation membrane splitter
05/12/2009US7531093 Process for the aerobic-thermophilic stabilization and disinfection of sludge
05/12/2009US7531091 Hollow fiber membrane filter with a supporting structure
05/12/2009US7531089 Biogeochemical reactor
05/12/2009US7531087 System for treating wastewater
05/12/2009US7531085 Device for purifying anaerobic biological wastewater
05/12/2009US7531042 Methods for cleaning and maintaining membrane surface during filtration
05/12/2009CA2464693C Fixed-film anaerobic digestion of flushed manure
05/07/2009WO2009058053A1 Method for disinfecting wastewater and a device for carrying out thereof
05/07/2009WO2009058052A1 Method for disinfecting wastewater and a device for carrying out thereof
05/07/2009WO2008018077A3 A method and apparatus for simultaneous clarification and endogenous post denitrification
05/07/2009US20090117241 Fine Bubble Generating Apparatus
05/07/2009US20090114603 Wastewater treatment
05/07/2009US20090114602 Biosolids-based food additive for animal feed, methods of production, and business application thereof
05/07/2009US20090114592 Method for purifying waste water with added oxidizing agent