| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 05/27/2009 | CN201245497Y Air saturator type aerating biological filter |
| 05/27/2009 | CN201245496Y Ejector type aerating biological filter |
| 05/27/2009 | CN201245495Y Gas and liquid mixing pump type aerating biological filter |
| 05/27/2009 | CN201245494Y Net bag stuffing for sewage disposal |
| 05/27/2009 | CN201245493Y Film bioreactor |
| 05/27/2009 | CN201245492Y Back flushing process controllable non-valve filter |
| 05/27/2009 | CN201244390Y Adjustable filtration head of aerating biological filter |
| 05/27/2009 | CN101443281A Modulair continuous production of micro-organisms |
| 05/27/2009 | CN101440347A Method for rapidly screening oil refining wastewater bioflocculant-producing bacteria |
| 05/27/2009 | CN101439918A Method for processing wastewater from polyacrylamide production |
| 05/27/2009 | CN101439917A Anaerobic adsorption dephosphorization and denitrification process |
| 05/27/2009 | CN101439916A Purifying device for waste water and drinking water |
| 05/27/2009 | CN101439915A Membrane aeration biomembrane process and apparatus for sewerage short-cut denitrification |
| 05/27/2009 | CN101439914A Neutralization-free furfural wastewater biochemical treatment process |
| 05/27/2009 | CN101439909A Catalyst for biological treatment of formaldehyde industrial wastewater |
| 05/27/2009 | CN101439908A Anaerobic multi-stage aerobic-anoxic dephosphorization and denitrification process |
| 05/27/2009 | CN101439907A Denitrification purification method for marine culture wastewater |
| 05/27/2009 | CN101439906A Reactor for filtering aerobic particle sludge layer |
| 05/27/2009 | CN101439905A Foaming extrusion molding thermoplastic composite material stuffing for biological treatment of waste water |
| 05/27/2009 | CN101439904A Rotary type efficient biological filtering water treatment equipment for circulating water cultivation |
| 05/27/2009 | CN101439903A Method for realizing semi-hitrosation under normal temperature municipal sewage condition |
| 05/27/2009 | CN101439900A Method and system for removing bromate in water by oxidation-reduction |
| 05/27/2009 | CN101439894A Photocatalysis and biotreatment combined drinking water treatment method |
| 05/27/2009 | CN100491276C Combined treatment process for high-concentration ammonia nitrogen waste water |
| 05/27/2009 | CN100491274C Method of nitrosation electrochemical back nitrosation full autotrophic deamination and denitrification and its reactor |
| 05/27/2009 | CN100491271C Method of purifying city surface source pollution and river lake water by new type shore protection function member |
| 05/27/2009 | CN100491270C Hydrogen making apparatus using high concentrated organic wastewater and its hydrogen making method |
| 05/27/2009 | CN100491269C Efficient anaerobic ammoxidation reactor |
| 05/27/2009 | CN100491268C Phosphorus-accumulating bacteria reinforcement type modified CASS biology sewage treatment equipment |
| 05/26/2009 | US7537926 Simple, low cost batch reactor; using naturally occuring bacteria in organic waste material for hydrocarbon digestion; ultrafiltration after settling; on site operation; hydraulic oil, contaminated diesel fuel, lube oils, solvent and water based paints |
| 05/26/2009 | US7537706 Microporous diffusion apparatus |
| 05/26/2009 | US7537699 Methods for reducing biosolids odors |
| 05/26/2009 | US7537698 Process and equipment for treating ammonium containing liquid |
| 05/26/2009 | US7537696 Method and apparatus for treatment of wastewater employing membrane bioreactors |
| 05/26/2009 | US7537693 Up-flow multi-stage anaerobic reactor (UMAR) |
| 05/26/2009 | US7537690 Treatment apparatus of waste water containing oil and fat for grease trap and grease trap |
| 05/26/2009 | CA2406436C Materials and method for the biological production of sulfuric acid |
| 05/22/2009 | WO2009063957A1 Fine bubble diffusing apparatus and method |
| 05/22/2009 | WO2009063086A1 Wastewater treatment process and plant comprising controlling the dissolved oxygen concentration |
| 05/22/2009 | WO2009062582A1 Method for the recovery of chemicals from waste water |
| 05/22/2009 | WO2009062581A2 Two-stage method for the recovery of chemicals from waste water |
| 05/22/2009 | WO2009062580A2 Method for producing fibrous material using renovated waste water |
| 05/22/2009 | WO2009040559A3 A method of remediating contaminated water and apparatus for the same |
| 05/22/2009 | CA2704655A1 Wastewater treatment process and plant comprising controlling the dissolved oxygen concentration |
| 05/21/2009 | US20090127191 Process for treating a solid-liquid mixture |
| 05/21/2009 | US20090127190 Water treatment process |
| 05/21/2009 | US20090127189 negative pressure gradient using mechanical ventilation causing exhaust air flow to remove gases and promote evaporation; Excess wastewater passing through zone is collected and reintroduced; particulate material with a large wetted surface area covered in a microbiological slime layer in zone; on-site |
| 05/21/2009 | US20090127188 Waste gas/wastewater treatment equipment and method of treating waste gas/wastewater |
| 05/21/2009 | US20090127173 Tertiary filter septic system and method |
| 05/20/2009 | EP2060543A1 Sewer water recovery system |
| 05/20/2009 | EP2060542A1 Process for recovering chemicals from wastewater by using nitrogen compounds |
| 05/20/2009 | EP2060541A1 Process for recovering chemicals from wastewater including an oxidative pre-treatment |
| 05/20/2009 | EP1521723A4 Compositions for removing hydrocarbons and halogenated hydrocarbons from contaminated environments |
| 05/20/2009 | CN201241382Y Anhydrous ecological toilet |
| 05/20/2009 | CN201240978Y Combined type sewage in situ processing system |
| 05/20/2009 | CN201240977Y Integrated domestic sewage rapid purifying reaction device |
| 05/20/2009 | CN201240975Y Simulation reactor of multilevel refluence load control biological method |
| 05/20/2009 | CN201240973Y Unpowered sewage processing facilities |
| 05/20/2009 | CN201240972Y Waste water advanced treatment apparatus combining ozone oxidation and downflow type aerating biological filter pool |
| 05/20/2009 | CN201240971Y Integrated high-efficiency sewage water biochemical treatment apparatus |
| 05/20/2009 | CN201240970Y Integrated circulation biological reaction waste water treating device |
| 05/20/2009 | CN201240969Y High-efficiency hydrolytic acidizing equipment capable of processing sewage water and solid phase pollutant synchronously |
| 05/20/2009 | CN201240947Y Multilevel artificial geology fast seepage processing system of livestock and poultry sewage water terminal |
| 05/20/2009 | CN201240946Y Apparatus for restoring chromium polluted water |
| 05/20/2009 | CN201240945Y 柔性浮岛 Flexible Floating Island |
| 05/20/2009 | CN201240944Y Facultative aerobic / aerobic / facultative aerobic coking waste water biological full denitrification processing device |
| 05/20/2009 | CN201240943Y Combination type biological contact oxidation reaction system |
| 05/20/2009 | CN201240942Y Membrane bioreactor capable of improving denitrification ability |
| 05/20/2009 | CN201240941Y Lateral ditch type integrated biological reaction waste water treatment apparatus |
| 05/20/2009 | CN201240940Y Lateral ditch type integrated biological reaction waste water treatment apparatus |
| 05/20/2009 | CN201240939Y Lateral ditch type integrated biological reaction wastewater treatment apparatus by membrane-sludge method |
| 05/20/2009 | CN201240938Y Self circulation double-power anaerobic reaction apparatus for producing methane |
| 05/20/2009 | CN201240937Y Efficient anaerobic treatment apparatus for low concentration sewerage |
| 05/20/2009 | CN201240936Y Double circulation anaerobic reactor |
| 05/20/2009 | CN201240935Y Sewage processor with sloping plate type anaerobic baffle plate |
| 05/20/2009 | CN201240934Y Jet flow type aeration system |
| 05/20/2009 | CN201240933Y Movable membrane biological reaction apparatus for processing and recycling domestic sewage |
| 05/20/2009 | CN201240932Y Ultramicro air bubble apparatus and dual-circulation ultramicro air bubble diffusion system |
| 05/20/2009 | CN201240931Y Load adjustable aeration apparatus for restoring sea water after desulphurization |
| 05/20/2009 | CN201240930Y Membrane aerobic biological processor for garbage leachate treatment |
| 05/20/2009 | CN201240929Y Gas-water alternative type membrane bioreactor |
| 05/20/2009 | CN201240928Y Muddy water swirl preseperation type membrane bioreactor |
| 05/20/2009 | CN201240927Y Vertical low-speed submersible stirrer |
| 05/20/2009 | CN201240926Y Single membrane hole aeration filter head for aerating biological filter |
| 05/20/2009 | CN201240925Y Porous active surface recombination filling material |
| 05/20/2009 | CN201240924Y 生物膜复合过滤器 Biofilm composite filter |
| 05/20/2009 | CN201240891Y Underground wet land and high-load underground infiltration sewage treatment composite system |
| 05/20/2009 | CN201240890Y High hydraulic load artificial land subsurface infiltration sewage treatment system |
| 05/20/2009 | CN201240866Y Synchronous motor push rod of rotary decanter |
| 05/20/2009 | CN101434919A A strain of sulfate reduction bacteria and process for using the same for treating acidic mine wastewater with straw as carbon nitrogen source |
| 05/20/2009 | CN101434916A A strain of sulfate reduction bacteria and process for treating acidic mine wastewater by using the same |
| 05/20/2009 | CN101434915A Method for cultivating nitrosobacteria flora and method for treating wastwater containing ammonia nitrogen |
| 05/20/2009 | CN101434907A Microbial preparation for processing refuse leachate and preparation |
| 05/20/2009 | CN101434447A Technological process for advanced treatment and recycle of cold rolling water |
| 05/20/2009 | CN101434446A Method for treating dyeing waste water |
| 05/20/2009 | CN101434445A Processing system and operation method for phosphor-containing organic wastewater |
| 05/20/2009 | CN101434443A Method and apparatus for treating oil refining sewerage |
| 05/20/2009 | CN101434438A CAST sectional water inlet synchronous denitrification and dephosphorization strenghthening procedure control device and method |
| 05/20/2009 | CN101434437A Processing method for wastewater from cephalosporin synthesis pharmaceutical production |
| 05/20/2009 | CN101434436A Processing method for wastewater from cassava starch production |