| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 07/04/2012 | CN101905929B Diffuser and manufacturing method thereof |
| 07/04/2012 | CN101898856B Subsurface flow constructed wetland system of secondary effluent from sewage treatment plant and application thereof |
| 07/04/2012 | CN101898825B Simulating riverway biological respinse unit for repairing light polluted water body |
| 07/04/2012 | CN101891350B Overflowing rain sewage on-site elimination stepped ecological sewage control structure |
| 07/04/2012 | CN101885604B Method for preparing corundum microporous aerator pipe |
| 07/04/2012 | CN101875909B Heterotrophic nitrification aerobic denitrifying bacteria and culture method and application thereof |
| 07/04/2012 | CN101863550B Primary rainwater microorganism processing method and device combined with rainwater storage tank |
| 07/04/2012 | CN101862555B Micro-polluted water source three-stage coupled water purifying method and used settling device |
| 07/04/2012 | CN101830557B Air diffusion aerator |
| 07/04/2012 | CN101811780B Preparation method and application of halophilic decontamination bacterial agent |
| 07/04/2012 | CN101798142B Method for rapidly culturing denitrifying granular sludge |
| 07/04/2012 | CN101786761B Coupled processing method of waste water in chemical industry plant area |
| 07/04/2012 | CN101785947B Oil-fume extraction and biological treatment method and device |
| 07/04/2012 | CN101774684B Filter material for water treatment and preparation method and application thereof |
| 07/04/2012 | CN101767901B Mobile sewage treatment device and waste water treatment method thereof |
| 07/04/2012 | CN101759296B Courtyard-style landscape wetland |
| 07/04/2012 | CN101734802B Reinforced vertical flow filter bed |
| 07/04/2012 | CN101734799B Method suitable for purifying polluted water body in stone foundation riverbed of plateau region |
| 07/04/2012 | CN101723520B Method for cutting low-pollution water load of venous riverway |
| 07/04/2012 | CN101723513B Vertical membrane bioreactor |
| 07/04/2012 | CN101709278B Large-scaled culture method of high-concentration nitrosobacteria and application thereof |
| 07/04/2012 | CN101693581B Method of hydrolysis-catalytic iron-aerobic coupling for treating poisonous and harmful hard-degradation waste water |
| 07/04/2012 | CN101654313B Method for utilizing advanced oxidation for carrying out pretreatment on sewage and culturing engineering microalgae for carrying out sewage deep treatment and carbon dioxide emission reduction |
| 07/04/2012 | CN101607779B River denitriding device with multi-oxidation reducing environment alternation |
| 07/04/2012 | CN101600660B Anaerobic digester employing circular tank |
| 07/04/2012 | CN101597187B Production method of compound microbial fertilizer for aquiculture and fertilizer thereof |
| 07/04/2012 | CN101575143B Anaerobic treatment device for treating sewage with sulfate radicals and organic matters |
| 07/04/2012 | CN101575142B Rotary-type water decanter |
| 07/04/2012 | CN101563464B System and method for applying reduced pressure to cell culture |
| 07/04/2012 | CN101538102B Ozone-bacteria filter system for advanced treatment of hardly-degradable organic wastewater |
| 07/04/2012 | CN101531445B Aeration-less water treatment system |
| 07/04/2012 | CN101525205B Pressure type membrane bioreactor technique of suspension bed and device |
| 07/04/2012 | CN101426901B Novel microorganism for treating wastewater and corresponding method |
| 07/04/2012 | CN101386823B Special effect anaerobic denitrifying bacterium and waste water processing method using thereof |
| 07/04/2012 | CN101386822B Special effect phosphate accumulating organisms and waste water processing method using thereof |
| 07/04/2012 | CN101362621B Composite treatment technical method of native rubber processing waste water |
| 07/04/2012 | CN101224919B Oxygen-enriched reflux sedimentation tank |
| 07/03/2012 | US8211692 Bioconversion process using liquid phase having to enhance gas phase conversion |
| 07/03/2012 | US8211306 Biotrickling filter treatment method utilizing waste tires and a biotrickling filter treatment tank thereof |
| 07/03/2012 | US8211305 System and method for the renovation of process water |
| 06/28/2012 | WO2012088228A1 Flotation machine, froth recovery apparatus, and method for recovering material |
| 06/28/2012 | WO2012087509A1 Process for separating solute material from algal cell feed stream |
| 06/28/2012 | WO2012087151A1 Carrier element for purification of water |
| 06/28/2012 | WO2012086869A1 Water circulating device for lakes and marshes |
| 06/28/2012 | WO2012085860A1 Steam delivery system for biomass processing |
| 06/28/2012 | WO2012085457A1 Process for manufacturing paper from fibres resulting from papermaking machine wastewater sludges |
| 06/28/2012 | WO2012085288A1 Method and facility for treating water by nitrosation/denitrosation, including at least an aeration step and a step for monitoring the oxygen supplied during the aeration step |
| 06/28/2012 | WO2012084800A2 Titania-supported hydrotreating catalysts |
| 06/28/2012 | WO2012084023A1 Apparatus and method for supplying gas to a liquid within a receptacle and use of such an apparatus |
| 06/28/2012 | WO2012083699A1 Algal purification system with efficient solar light utilization |
| 06/28/2012 | WO2012083476A1 Water treatment |
| 06/28/2012 | WO2012034118A3 Process for the treatment of biological materials and wastewater |
| 06/28/2012 | WO2012002692A3 Method and system for the real-time rule-based control of a sewage and wastewater treatment system |
| 06/28/2012 | US20120160768 Organic-wastewater treatment method and organic-wastewater treatment apparatus |
| 06/28/2012 | US20120160767 Additive used in a membrane-separation activated sludge process |
| 06/28/2012 | CA2822423A1 Steam delivery system for biomass processing |
| 06/28/2012 | CA2822086A1 Flotation machine, froth recovery apparatus, and method for recovering material |
| 06/28/2012 | CA2821661A1 Process for treating water by nitritation-denitration comprising at least one aerated step and one step for controlling the oxygen input during the aerated step |
| 06/27/2012 | EP2468963A1 Water management system for golf courses |
| 06/27/2012 | EP2468687A1 Sludge removal system for biological waste water reactors |
| 06/27/2012 | EP2468686A1 Integrated wastewater purification assembly |
| 06/27/2012 | EP2467486A2 Heavy metal remediation system |
| 06/27/2012 | EP2467335A1 Reactor for anaerobically purifying waste water comprising multi-phase separator devices |
| 06/27/2012 | CN202284173U 一种污水快速处理机 One kind of sewage fast processors |
| 06/27/2012 | CN202284172U 复合人工湿地的太阳能辅助消毒装置 Wetland complex solar assisted sterilization device |
| 06/27/2012 | CN202284163U 厌氧反应器 Anaerobic reactor |
| 06/27/2012 | CN202284162U 旋转式滗水器主管动密封结构 Rotary Decanter competent dynamic sealing structure |
| 06/27/2012 | CN202284161U 双进水口培养好氧颗粒污泥的sbr反应装置 Dual Intake culture aerobic granular sludge reactor sbr |
| 06/27/2012 | CN202284160U 定向循环流动床生物反应装置 Directional circulating fluidized bed biological reactor |
| 06/27/2012 | CN202284159U 高效生物供氧装置 Efficient biological oxygen device |
| 06/27/2012 | CN202284158U 人工水草 Artificial plants |
| 06/27/2012 | CN202283450U 一种对受污染的气体进行清洗的装置 A contaminated gas cleaning device |
| 06/27/2012 | CN102518265A Roof wetland system |
| 06/27/2012 | CN102518085A Ecological water retaining dam |
| 06/27/2012 | CN102518077A Community wetland design |
| 06/27/2012 | CN102517454A Method for recycling Au (III) in industrial waste water by chlorella-microfiltration membrane coupling technique |
| 06/27/2012 | CN102517237A Composite micro-ecological water-based suspension concentrate for aquaculture |
| 06/27/2012 | CN102517234A Klebsiella strain and method for treating chlorpyrifos pesticide residue on surface of soil, fruits and vegetables by using Klebsiella strain |
| 06/27/2012 | CN102517226A Pseudomonas fluorescens preparation and application thereof |
| 06/27/2012 | CN102516563A Method for preparing micro magnetic carrier, micro magnetic carrier and active sludge immobilization method |
| 06/27/2012 | CN102515834A Preparation method of waterworks sludge ceramsites for pretreating micro-polluted water |
| 06/27/2012 | CN102515551A Multi-hole foam glass carrier for fast mass transfer biological fluidized bed and preparation method and application thereof |
| 06/27/2012 | CN102515448A Process for promoting biological denitrification by performing ultrasonic disintegration on residual sludge to reflow and replenish denitrification carbon source |
| 06/27/2012 | CN102515440A Device and method for conducting depth denitrification treatment on landfill leachate |
| 06/27/2012 | CN102515435A Method for processing silicon carbide industrial wastewater |
| 06/27/2012 | CN102515367A Application of microencapsulated aureobasidium pullulans to treatment of chromium/manganese-containing wastewater |
| 06/27/2012 | CN102515366A Microbiological degradation method for nitrobenzene industrial wastewater |
| 06/27/2012 | CN102515365A Membrane-free bioelectrochemical device for synergistic treatment of electroplating wastewater and domestic sewage |
| 06/27/2012 | CN102515364A Broad-spectrum bio-energizer for industrial wastewater treatment and preparation method thereof |
| 06/27/2012 | CN102515363A Aquatic artificial wetland capable of purifying water, and manufacturing method thereof |
| 06/27/2012 | CN102515362A Application of pokeberry root in purifying livestock and poultry breeding biogas slurry |
| 06/27/2012 | CN102515361A Detachable inorganic material ecological floating bed device |
| 06/27/2012 | CN102515360A Artificial wetland for treating lime-rich alkali waste water and treatment method thereof |
| 06/27/2012 | CN102515359A Preparation method of natural hollow netty plant solid carbon source for bio-denitrification |
| 06/27/2012 | CN102515358A Vertical flow type constructed wetland batch injection system |
| 06/27/2012 | CN102515357A Water-distributing device for large-size artificial wetland sewage treatment system |
| 06/27/2012 | CN102515356A Saturated filter bed for treating polluted water body |
| 06/27/2012 | CN102515355A Combined subsurface-flow constructed wetland system with high efficiency and low cost for processing polluted river water |
| 06/27/2012 | CN102515354A Nitrogen phosphor interception undercurrent dam |
| 06/27/2012 | CN102515353A Simple and energy-saving sewage biological denitrification device |