Patents
Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453)
08/2009
08/12/2009CN201288097Y Assembled modular type high-efficiency anaerobic baffling reaction unit
08/12/2009CN201288096Y Cellular aerating biological filter
08/12/2009CN201288095Y Aerating biological filter with large grain diameter light stuffing on surface layer
08/12/2009CN201288094Y Bunch stuffing aerating biological filter
08/12/2009CN201288093Y Flexible stuffing upward flow aerating biological filter
08/12/2009CN201288092Y Water supply device of aerating biological filter
08/12/2009CN201288091Y Upward flow aeration biological filtering tank
08/12/2009CN201288090Y Expansion tube type draining device
08/12/2009CN201288089Y Float bowl type self-suction draining device
08/12/2009CN201288088Y Composite stirring type aeration oxygenation machine
08/12/2009CN201288087Y Cellular stuffing aerating biological filter
08/12/2009CN201288086Y Biological stuffing for water and sewage treatment
08/12/2009CN201286261Y Float for flower and grass on water surface
08/12/2009CN101506107A Energy production with hyperthermophilic organisms
08/12/2009CN101506104A Method for removing sulphate and heavy metals from waste water
08/12/2009CN101503665A Bacteria capable of removing organic matter and ammonia nitrogen in micro-polluted water source water under low temperature and aerobic condition, and screening and taming method
08/12/2009CN101503664A Method for producing efficient composite microbial preparation by livestock and poultry liquid dung
08/12/2009CN101503268A Zero discharge processing EBM method for dyeing waste water
08/12/2009CN101503267A Coal chemical industry wastewater treating method
08/12/2009CN101503266A Biological-ecological combined method and apparatus for purifying sewage
08/12/2009CN101503265A Constructed wetland processing and comprehensive utilization technique for farm household sewage water and rainwater
08/12/2009CN101503264A Method for ectopically and ecologically repairing eutrophication water
08/12/2009CN101503263A Wastewater treatment recycling technique and equipment thereof
08/12/2009CN101503261A Technique for advanced treatment and recovery for seafood processing wastewater
08/12/2009CN101503251A Method for removing and recycling nitrogen and phosphor in municipal sewage by spirogyra-biological film system
08/12/2009CN101503250A Method for purifying hogpen wastewater
08/12/2009CN101503249A Anaerobic pond-ladder type ecological filter combined sewage water denitrification dephosphorization apparatus and method
08/12/2009CN101503248A Composite biological film activated sludge denitrification dephosphorization denitrification method and reactor thereof
08/12/2009CN101503247A Multifunctional composite biological nutrient for industrial wastewater biochemical treatment
08/12/2009CN101503246A Method for controlling and reducing biological treatment of waste water system sludge by special inocula
08/12/2009CN101503245A Double-circulating ceramic membrane bioreactor
08/12/2009CN101503244A Strengthened autotrophs desulphurization apparatus with complex function
08/12/2009CN100526242C Alkaline residue processing method
08/12/2009CN100526240C Method for anerobic aerobic granular sludge treating high concentration waste water from paper-making method tobacco slice production
08/12/2009CN100526234C Method for treating eutrophication water body by waterborne cultivated plant
08/12/2009CN100526233C Anerobic ammoxidation and denitrification synergistic denitrification method for garbage leachate
08/12/2009CN100526232C Method for multipurpose use of starch, spirit wastewater and equipment thereof
08/12/2009CN100526231C USAB-biological membrane anaerobic ammoxidation strain denitrogenation method and its apparatus
08/12/2009CN100526230C Diaphragm type oxygenate apparatus
08/12/2009CN100526229C Split-type tube type dynamic membrane bioreactor
08/12/2009CN100525941C Innocent treatment method for oil-containing sewage sludge
08/11/2009US7572377 Filtration while removing air bubbles and wastes; cylinder housings; multistage process; air purging; discharging aperture
08/11/2009US7571899 Gas-liquid dissolving apparatus
08/11/2009CA2383162C Waste-water purification in cattle-breeding systems
08/11/2009CA2338248C Process for the treatment of waste water containing ammonia
08/11/2009CA2322696C Surge anoxic mix sequencing batch reactor systems
08/07/2009CA2653470A1 Treatment system for liquid
08/06/2009WO2009097160A1 Waste activated sludge phosphorus and magnesium stripping process and struvite production system
08/06/2009WO2009096797A1 Method and device for the treatment of waste water
08/06/2009WO2009094904A1 A method for treating high cod wastewater
08/06/2009WO2009094882A1 A tower type earthworm ecological filter chamber system
08/06/2009WO2009094855A1 A wastewater treatment method
08/06/2009WO2008142128A3 Water treatment device having discs and a rotary drum filter, and corresponding process
08/06/2009US20090194476 P and Mg are released by microorganism action in an anaerobic reactor, where waste activatated sludge is held, adding readily biodegradable carbon compounds such as volatile fatty acids to the sludge in the anaerobic reactor to release P; produced ammonia with Mg and P forms struvite
08/06/2009DE202008003062U1 Biologische Klärvorrichtung Biological clarifier
08/06/2009DE202008003061U1 Klärbecken mit Auslasseinrichtung Clarifier outlet
08/06/2009DE102008007530A1 Method and reactor for biological cleaning of water such as process water and wastewater by using solid bodies, comprise storing the bodies in a reactor in a suspension state and in a constant motion, and adhering a biofilm to the bodies
08/06/2009DE102008004930A1 Method for biological cleaning of water under use of two different solid bodies, comprises holding the solid bodies in a reactor in floating condition and in constant movement, where a biofilm adheres on the solid bodies
08/06/2009CA2713952A1 Method and device for the treatment of waste water
08/06/2009CA2686114A1 Waste activated sludge phosphorus and magnesium stripping process and struvite production system
08/05/2009EP1960316B1 Process and installation for treating waste water
08/05/2009EP1909948A4 Contaminated inflow treatment with membrane distillation bioreactor
08/05/2009EP1683766B1 Method of reducing the pollution load of purines
08/05/2009CN201284281Y Biochemical treatment system for wastewater
08/05/2009CN201284280Y Constant water level CAST sewage treatment system
08/05/2009CN201284279Y Biochemical processor
08/05/2009CN201284274Y Biological and ecological combined apparatus for purifying and recycling sewage
08/05/2009CN201284273Y Integrated reverse anoxic / anaerobic / aerobic sewage water denitrification and dephosphorization apparatus
08/05/2009CN201284272Y Improved A 2/O or reverse A 2/O apparatus
08/05/2009CN201284271Y ORBAL oxidation ditch-like dephosphorization and denitrification integrated reverse AO apparatus
08/05/2009CN201284270Y Methane self circulation composite bed reactor
08/05/2009CN201284269Y Advective hydrolytic acidification and iron catalysis coupling reactor
08/05/2009CN201284268Y Nitrate dyeing wastewater constant temperature biochemical treatment pool for fur and leather
08/05/2009CN201284267Y Upflow type membrane component anaerobe filter
08/05/2009CN201284266Y Unpowered bio-filter with oxygenation and backwash functions
08/05/2009CN201284265Y Double up-flow type aerating biological filter system for micro-polluted raw water processing
08/05/2009CN201284264Y Membrane component bio-filter
08/05/2009CN201284263Y Biological net water treatment stuffing
08/05/2009CN201284262Y Rotating bio-disc for biological sewage treatment
08/05/2009CN101500950A Method and apparatus for biological treatment of organic of organic wastewater
08/05/2009CN101497479A Method for adsorbing seawater exceeding cadmium by cultivating blood clam
08/05/2009CN101497478A Ecological self purification net cage
08/05/2009CN101497477A Multi-layer biological commensalisms system
08/05/2009CN101497476A Anaerobic reactor
08/05/2009CN101497475A Method for treating phenolic waste water by complex enzyme / activated sludge process
08/05/2009CN101497474A Diatomite jet strengthened aeration cultivating farm sewage treatment method
08/05/2009CN101497473A Aeration type photobioreactor and method of use thereof
08/05/2009CN101497021A Baking-free type porous composite zeolite filter material and preparation method thereof
08/05/2009CN100522851C Anaerobic-aerobic-film processing technique for urban domestic refuse percolate
08/05/2009CN100522850C Method for treating waste water of 1,4-butanediol production
08/05/2009CN100522849C Method for advanced treatment of ammonia nitrogen sewage
08/05/2009CN100522848C System for managing edible water
08/05/2009CN100522847C Physiochemical and biochemical interactive city sewage treating method
08/05/2009CN100522843C Method for processing high concentrated organic wastewater with two-stage diphasic anaerobic technique
08/05/2009CN100522842C Anaerobic reactor
08/05/2009CN100522841C Biochemical complex water body treating method
08/05/2009CN100522840C Device combining air feeding and biological connection and the formed water purifying system
08/05/2009CN100522839C Silver carp, bighead carp, grass carp, cladophora and daphnia hyaline cooperated algae control method
08/05/2009CN100522838C Controlling wastewater treatment processes
08/05/2009CN100522328C Integrated permeate channel membrane