| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 11/12/2008 | CN100432228C Ribotide sequence of 2-naphthanic acid degradation bacteria DNA segment and its preparation method and application |
| 11/12/2008 | CN100431986C Tanning technology for treatment and reuse of waste chrome liquor of bate without discharge and its treatment device |
| 11/12/2008 | CN100431984C Mixed aeration type biological treating system |
| 11/12/2008 | CN100431983C Forced refluence double-face flow-guiding sewage treatment pool |
| 11/12/2008 | CN100431982C Method of inhibiting membrane contamination of membrane bioreactor |
| 11/12/2008 | CN100431981C Technology and special equipment for preparing regenerated water using sewage |
| 11/12/2008 | CN100431980C Process and device for biological treatment of a suspension in a bioreactor with integrated hydraulic top scum treatment |
| 11/11/2008 | USRE40565 Method and device for purifying waste water comprising an additional sludge treatment by ozonation |
| 11/11/2008 | US7449114 Adding an electron donor to microbe-mediated anaerobic reduction dehalogenation |
| 11/11/2008 | US7449113 Controlling wastewater treatment processes |
| 11/07/2008 | CA2591522A1 Up-flow multi-stage anaerobic reactor (umar) |
| 11/06/2008 | WO2008131495A1 Water treatment composition |
| 11/06/2008 | WO2008110689A3 Development and use of iron based catalyst for implementing oxidation-reduction method for substances to be reduced |
| 11/06/2008 | WO2008106371A3 Integrated cogeneration wastewater sewage and waste polar fats/ oils/ greases/waxes (fog) waste treatment method and facility |
| 11/06/2008 | WO2008011001A3 Method for high energy density biomass-water slurry |
| 11/06/2008 | WO2007065088A8 Fine bubble delivery for potable water, wastewater, and clean water treatment, method |
| 11/06/2008 | US20080272050 Multi-Barrier Water Purification System and Method |
| 11/06/2008 | US20080272035 System for Water Treatment |
| 11/06/2008 | CA2685902A1 Organic composition for sustaining water clarity |
| 11/05/2008 | EP1988060A1 Method of treating wastewater |
| 11/05/2008 | EP1951627A4 Flow equalized rotating biological contactor |
| 11/05/2008 | EP1307735B1 Method and equipment for monitoring syntrophic relations in a biological process fluid |
| 11/05/2008 | EP1216085B1 Phase separator having multiple separation units, upflow reactor apparatus, and methods for phase separation |
| 11/05/2008 | CN201144182Y Domestic sewage regeneration and recovery device |
| 11/05/2008 | CN201144179Y EGSB reactor capable of granulating flocculent sludge |
| 11/05/2008 | CN201144178Y Vertical type surface aerator |
| 11/05/2008 | CN201144177Y Sewage purifier with biological carbon dynamic membrane |
| 11/05/2008 | CN201144176Y Stereo minisize artificial wet land sewage processor |
| 11/05/2008 | CN201144175Y Stereo minisize artificial wetland sewage processor |
| 11/05/2008 | CN201144174Y Integrated buried type landscape water purification equipment |
| 11/05/2008 | CN101300196A Screening of inert solids from a low-yield wastewater treatment process |
| 11/05/2008 | CN101298614A Potamon metallothionin gene, transgenic blue algae thereof and preparation of metal adsorption material |
| 11/05/2008 | CN101298350A Swirl circulation type hydrolysis equipment |
| 11/05/2008 | CN101298349A Sewerage synchronization denitrification apparatus and method by solar energy heating |
| 11/05/2008 | CN101298343A Biological film electrode reactor for experimental study |
| 11/05/2008 | CN100430119C Submersible field oxygenating machine |
| 11/04/2008 | US7445927 Bacteria degrades hydrocarbons, ultrafiltration, aeration and circulation; supernatant and solid wastes settle to bottom and pass through bag filter; simple, cost effective on-site treatment |
| 11/04/2008 | US7445715 System for treating wastewater and a controlled reaction-volume module usable therein |
| 11/04/2008 | US7445714 Reproducing microorganism using microorganism and nutrient which may have a supplement, a short-term nutrient and a long term nutrient in a container having water; extracted microorganism is introduced into a cleaning system and dispersed to surfaces of an animal production facility |
| 11/04/2008 | US7445713 Method and facility for treating sludges |
| 11/04/2008 | US7445707 Waste effluent treatment system |
| 11/04/2008 | CA2294058C Treatment of acidic water containing dissolved ferrous cations |
| 10/30/2008 | WO2008129595A1 Method of decolorizing colored wastewater |
| 10/30/2008 | WO2008129573A1 System and process for the treatment of waste water |
| 10/30/2008 | WO2007103409A3 Wastewater treatment system and method |
| 10/30/2008 | US20080264861 Introducing through wastewater plumbing system liquid household detergent carrier and yeast fermentation protein component; accelerating resident bacteria biodegradation of organic matter |
| 10/30/2008 | US20080264860 Efficient, reduced space requirements; dual system based on plurality of hollow fiber membranes extending between pair of gas header assemblies; wastewater treatment; spacecraft |
| 10/30/2008 | US20080264859 Method for Initiating Microbiological Processes in Artificial Waters |
| 10/30/2008 | US20080264858 Delivery systems for mycotechnologies, mycofiltration and mycoremediation |
| 10/30/2008 | US20080264856 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 |
| 10/30/2008 | US20080264855 Contacting with anoxic bacteria immobilized on fluidized media then with air and filtering through membrane; simple, small scale operation for relatively unattended use, requiring only periodic maintenance |
| 10/30/2008 | US20080264844 Plant for Wastewater Treatment |
| 10/30/2008 | DE202008011409U1 System zur Behandlung wässriger Medien System for the treatment of aqueous media |
| 10/30/2008 | DE102007020443A1 Reactor floatable or floating in water of loaded open mining remainder lakes for neutralizing acid water, comprises inlet and outlet for water, reaction chambers, filling bodies, inlet opening, and buoyancy means and/or positioning means |
| 10/29/2008 | EP1984305A1 Process and reactor for anaerobic waste water purification |
| 10/29/2008 | EP1984304A1 Use of nitrate salts for suppressing disturbing odours |
| 10/29/2008 | EP1984209A1 Improvements relating to septic tanks |
| 10/29/2008 | EP1984128A1 Metagenome |
| 10/29/2008 | EP1984101A1 Purification method for effluent |
| 10/29/2008 | EP1984100A1 Purification method for effluent |
| 10/29/2008 | EP1611059B1 Bacterial strain for removing total dissolved solids (tds) from tannery wastewaters |
| 10/29/2008 | EP1313574B1 Compositions including ammonia oxidizing bacteria to increase production of nitric oxide and nitric oxide precursors and methods of using same |
| 10/29/2008 | CN201141666Y Renewable energy source air conditioning system |
| 10/29/2008 | CN201141000Y A2/O and UCT technique integrated composite sewage treatment reactor |
| 10/29/2008 | CN201140999Y Inner circulation anaerobic tower for processing polyester wastewater |
| 10/29/2008 | CN201140998Y High water level early-warning device of oxidation ditch |
| 10/29/2008 | CN201140997Y Oxygen-enriched reflux sedimentation basin |
| 10/29/2008 | CN201140996Y Jet stream water/gas-distribution device of aerating biological filter pool |
| 10/29/2008 | CN101297035A Plant capable of accumulating inorganic phosphate at high level and use of the plant |
| 10/29/2008 | CN101296871A Plant for wastewater treatment |
| 10/29/2008 | CN101296870A Water treating method and arrangement integrating a fixed-bacteria biological treatment and flocculation-decantation |
| 10/29/2008 | CN101293768A Biological filter material and preparation method |
| 10/29/2008 | CN101293726A Method for processing and separate-recycling printing and dyeing wastewater |
| 10/29/2008 | CN101293725A Simple general use sewage treatment system |
| 10/29/2008 | CN101293724A Miniature general use sewage treatment system |
| 10/29/2008 | CN101293722A Municipal sewage treatment system and equipment built on river |
| 10/29/2008 | CN101293721A Method for processing highly salt containing organic waste water |
| 10/29/2008 | CN101293720A Sequencing batch reactor for automatic dephosphorization and operation thereof |
| 10/29/2008 | CN101293719A Recovery processing technique for organic waste water of plating pretreatment |
| 10/29/2008 | CN101293716A Method for processing waste liquor in preparation of ethyl alcohol with manioc fermentation |
| 10/29/2008 | CN101293711A Quickly assembled sewage treatment system for artificial wet land and material filling unit |
| 10/29/2008 | CN101293710A Biological renovation method for chromium pollution water |
| 10/29/2008 | CN101293709A Series method for removing algae by using zooplankton and filter-feeder fishes |
| 10/29/2008 | CN101293708A Artificial wet land and uses thereof |
| 10/29/2008 | CN101293707A Apparatus and method for entire journey autotrophy denitrification of digested sludge dewatered liquid biomembrane |
| 10/29/2008 | CN101293706A Multi-stage inner circulation anaerobic reactor |
| 10/29/2008 | CN101293705A Method and apparatus of impulse fluid jet type membrane bioreactor |
| 10/29/2008 | CN101293704A Middle plate wastewater treatment oxidation ditch improving technique for papermaking |
| 10/29/2008 | CN101293703A Apparatus for treating reinforced concrete structure deep well aeration waste water and prepraring method thereof |
| 10/29/2008 | CN101293702A Method for controlling membrane pollution in diaphragm bioreactor on line with medium, low voltage |
| 10/29/2008 | CN101293701A Trapezia flat-plate membrane component for strengthening pollution resistant function of aeration in membrane bioreactor |
| 10/29/2008 | CN101293700A Volume reduction method for entrapped immobilized carrier, entrapped immobilized carrier, water quality purification method and device for manufacturing entrapped immobilized carrier |
| 10/29/2008 | CN101293699A Riverbed type percolation filtration water quality purification technique for renovation of municipal pollution river water |
| 10/29/2008 | CN101293698A Modularized equipment for aerobic biochemical treatment of sewage water |
| 10/29/2008 | CN101293697A Biological treatment apparatus and method for sewage water and waste gas generated by livestock and poultry cultivation |
| 10/29/2008 | CN101292614A Hybridization lobster cultivation technique for paddy field and pool |
| 10/29/2008 | CN100429164C Method of treating domestic sewage dispersively and its reactor |
| 10/29/2008 | CN100429163C Dispersed spot source sewage treating and grading reusing system and its operation process |
| 10/29/2008 | CN100429162C Physical and biological and chemical treatment system for water cycle in swimming pool or natatorium |
| 10/29/2008 | CN100429160C Waste water treating apparatus with circulating membrane bioreactor |