Patents
Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453)
10/2011
10/19/2011CN102219297A Rapid culture method of aerobic granular sludge
10/19/2011CN102219296A Light filter material for aerated biological filter tank and preparation method thereof
10/19/2011CN102218268A Combination frequency ultrasonic online fluidized bed membrane bioreactor membrane pollution control device and method
10/19/2011CN102217655A Powdery bdellovibrio bacteriovorus preparation and preparation method thereof
10/19/2011CN102217471A Repair method of hard slope submerged plants
10/19/2011CN101962222B Method for fast aerobic granulation of flocculent sludge in sequence batch reactor
10/19/2011CN101863557B Manufacture and use method of screen mesh type ecological floating bed
10/19/2011CN101863551B Radial water-treatment biological filler and production method thereof
10/19/2011CN101696058B Ecological algae control method for lake
10/19/2011CN101602543B Aerating device and water treatment equipment utilizing same
10/19/2011CN101580326B Multistage tower type method for treating sewage
10/19/2011CN101544453B Dephosphorization and denitrification, mud decrement and phosphorus recovery integrated sewage treatment device and method thereof
10/19/2011CN101522579B Ozonation of wastewater for reduction of sludge or foam and bulking control
10/19/2011CN101302059B Inverted denitrification process film bioreactor
10/18/2011US8039242 Low oxygen biologically mediated nutrient removal
10/18/2011US8038881 Wastewater treatment
10/18/2011US8038880 Membrane bags with seamless membrane substance, uses thereof, filtration units therewith and manufacturing processes
10/18/2011CA2627852C A gas bubble mixer
10/13/2011WO2011124831A2 Water purification process and installation using submerged fixed cultures
10/13/2011US20110247978 Suspended media granular activated carbon membrane biological reactor system and process
10/13/2011US20110247977 Device for Treating Wastewater Comprising Nitrogen and Phosphorus and a Method for the Same
10/13/2011US20110247976 Method of staggered release or exposure of microorganisms for biological remediation of hydrocarbons and other organic matter
10/12/2011EP1667787B1 Method for avoiding clogging of filtration membranes
10/12/2011CN202007181U High-efficiency anaerobic biological tower reactor
10/12/2011CN202007180U Novel automatic treatment device for high-concentration chemical waste water
10/12/2011CN202007159U Efficient surface aerator
10/12/2011CN202007157U Biological suspended packing for sewage treatment
10/12/2011CN202007156U Combined type IC (internal circulation) pilot test device
10/12/2011CN202007155U Fecal sewage treatment system of rural toilet
10/12/2011CN202007154U Aeration biological filter
10/12/2011CN202007153U Rotary decanter
10/12/2011CN102216228A Terry mark
10/12/2011CN102216227A Process for extracting iron from an aqueous acid solution
10/12/2011CN102212491A Simple culture method of photosynthetic bacteria with high cell concentration
10/12/2011CN102212475A High-efficiency combined functional bacteria for sewage treatment
10/12/2011CN102212259A Starch and polycaprolactone blend and preparation method and application thereof
10/12/2011CN102211840A Resource utilization device and method of restaurant wastewater
10/12/2011CN102211834A Light film symbiosis reaction device
10/12/2011CN102211824A Novel method for treating sewage under non-sterilization condition through carrying monascus purpureus by wood-plastic composite carrier
10/12/2011CN102211823A Method for degrading steroid pollutants in water body
10/12/2011CN102211822A Method for comprehensively controlling black and odorous watercourse rivers and microbial inoculum drop irrigation device
10/12/2011CN102211821A Ecological jellyfish device for water body treatment
10/12/2011CN102211820A Method for controlling area-source pollution
10/12/2011CN102211819A Method for biological resource recovery of industrial marine fish aquaculture wastewater
10/12/2011CN102211818A Improved design method of horizontal subsurface flow wetland for coping with substrate clogging
10/12/2011CN102211817A Multistage ecological permeable dike for purifying small watershed water in mountain land
10/12/2011CN102211816A Method for controlling algae in eutrophic freshwater body by cultivating Onychostoma fishes
10/12/2011CN102211815A Method for controlling algae in eutrophic freshwater body by cultivating Xenocyprinae fishes
10/12/2011CN102211814A Method for controlling algae in eutrophic freshwater body by cultivating Sinilabeo fishes
10/12/2011CN102211813A Method for sewage treatment by deep denitrification and dephosphorization through biomembrane
10/12/2011CN102211812A Novel chromatographic carrier reactor for sewage disposal
10/12/2011CN102211811A Method for cultivating aerobic particle sludge by utilizing guanite
10/12/2011CN102211810A Preparation method of modified volcanic filling material for sewage purification
10/12/2011CN102211809A Preparation method of modified limestone filler used for sewage purification
10/12/2011CN102211808A Double-layer high-efficiency superfine-micropore aeration header
10/12/2011CN102211807A High-density porous support for treating wastewater of biological fluidized bed and preparation method thereof
10/12/2011CN102211806A Telescopic decanter for continuous loop-type reaction tank
10/12/2011CN101948166B Preparation method of modified biologically-activated filter fillings
10/12/2011CN101839749B Device for automatically transmitting rising signals of septic tank effluent by digital codes of mobile phone
10/12/2011CN101811807B Black and odorous and eutrophication water body biological and ecological remediation and treatment process
10/12/2011CN101774726B Percolate biology physical and chemical treatment device of municipal solid waste landfill
10/12/2011CN101717167B Micro-sized building block type recycled water treatment equipment
10/12/2011CN101548007B Novel microorganism capable of microbially decomposing chloro-, methylthio- and methoxy-triazine agrichemicals
10/11/2011US8034243 Denitrification process
10/06/2011WO2011123854A2 Bioaugmentation of anaerobic digester systems
10/06/2011WO2011122217A1 Method and device for biologically treating organic wastewater
10/06/2011WO2011122056A1 Methane fermentation treatment method
10/06/2011WO2011100089A3 Systems and methods for reducing sludges produced by wastewater treatment facilities
10/06/2011WO2010033203A8 Anaerobic process for treating organic material to generate biogas
10/06/2011US20110244554 Mechanical device for dispersing biomass populations
10/06/2011US20110240535 System for controlling fluid levels in a wastewater treatment biological reactor
10/06/2011CA2792617A1 Method of wastewater treatment and apparatus for its realization in sequencing batch reactors
10/05/2011EP2371771A1 Modular filtration reed bed
10/05/2011EP2370365A1 Process for removing oxidants from water injected into a subsurface aquifer to prevent mobilization of trace metals
10/05/2011EP1909948B1 Contaminated inflow treatment with membrane distillation bioreactor
10/05/2011EP1773721B1 Process for recovering the components of olive mill wastewater with membrane technologies
10/05/2011DE202010002566U1 Vorrichtung zur Reinigung von Verunreinigungen enthaltendem Abwasser Device for purifying waste water containing contaminants
10/05/2011CN201999837U Sewage recycling treatment system of coal chemical industry
10/05/2011CN201999836U Sewage treatment mechanism
10/05/2011CN201999835U Anaerobic hydrolytic acidification and AO-SBR (anoxic/oxic-sequencing batch reactor activated sludge process) integrated sewage treatment reaction tank
10/05/2011CN201999834U Device for controlling aeration rate of aerobic tank in A2/O system in frequency conversion manner
10/05/2011CN201999830U Efficient biological reaction device without sludge
10/05/2011CN201999828U Biological sewage treatment device
10/05/2011CN201999803U Micropore aerator
10/05/2011CN201999802U Platy fine bubble aerator
10/05/2011CN201999801U Round tube connecting device for aerator
10/05/2011CN201999796U Anti-blocking easily-washed composite vertical flow wetland
10/05/2011CN201999795U Continuous sedimentation type ecological meshed bed for submerged plants
10/05/2011CN201999794U Novel environment-friendly floating bed
10/05/2011CN201999793U Simple ecological floating bed
10/05/2011CN201999792U Internal circulation moving bed bioreactor
10/05/2011CN201999791U Upflow anaerobic sludge blanket (UASB) rotary water distributor
10/05/2011CN201999790U Anaerobic hydrolysis acidification tank
10/05/2011CN201999789U Anaerobic pulse water distribution system
10/05/2011CN201999788U Ring-shaped ecological medium suspended in water
10/05/2011CN201999787U Biological contact reaction device with fibre bundle and hanging packing
10/05/2011CN201999786U Integrated biological fluidized bed reactor
10/05/2011CN201999785U Combined spiral aerator
10/05/2011CN201999784U Tearing-resistant and thread-off-preventing aerator
10/05/2011CN201999783U Efficient jet flow aerating apparatus for rectangular sewage tank