| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 04/22/2009 | CN201224701Y Continuous flow double sludge denitrification dephosphorization process teaching apparatus |
| 04/22/2009 | CN201224700Y Strengthened denitrification apparatus using source water direct diffluence to supply carbon source |
| 04/22/2009 | CN201224699Y Apparatus for improving oxygen consumption speed of activated sludge by using electrostatic field |
| 04/22/2009 | CN201224698Y Sludge refluxing apparatus |
| 04/22/2009 | CN201224697Y Five-tube suspension chain type aeration apparatus |
| 04/22/2009 | CN201224696Y Four-tube suspension chain type aeration apparatus |
| 04/22/2009 | CN201224695Y Apparatus for keeping ecological stability of bio-filer under low nutrient medium condition |
| 04/22/2009 | CN201224694Y Reciprocating flow type stream type undercurrent artificial wetland |
| 04/22/2009 | CN201224693Y Compound wave type stream artificial mountain wetland sewage treatment system |
| 04/22/2009 | CN101412983A Bacillus coagulans, preparation of high-density cultivated spore preparation, and use thereof |
| 04/22/2009 | CN101412974A Brevibacterium aureum AN3 and use thereof in degrading malachite green and other dyes |
| 04/22/2009 | CN101412571A Technique for reclaiming waste water of azoic dye production |
| 04/22/2009 | CN101412564A Wet land technique for deep purification of tail water of sewage plant |
| 04/22/2009 | CN101412563A Blue algae bloom control method based on floating rice cultivation |
| 04/22/2009 | CN101412562A Multidirectional baffling filler |
| 04/22/2009 | CN101412547A Mineral composite material for removing lake endogenous pollution and use thereof |
| 04/22/2009 | CN101411968A Gas-spreading device for aeration system |
| 04/22/2009 | CN100480373C Microbe for degrading nitrite, separating and bring up method, and application |
| 04/22/2009 | CN100480366C Method and apparatus for collecting bacterial cells, method for acclimatizing bacterial cells, and wastewater treatment equipment |
| 04/22/2009 | CN100480197C Anaerobic inner circulating reflux type immobilization microorganism fluidized bed reactor |
| 04/22/2009 | CN100480196C Method for treating middle section water of alkaline straw pulp |
| 04/22/2009 | CN100480195C Bioreactor, mixed culture, and modified kit of small sewage processing station |
| 04/22/2009 | CN100480194C Aerobic inner circulating reflux type immobilization microorganism fluidized bed reactor |
| 04/22/2009 | CN100479906C Film-type boring aeration pipe |
| 04/22/2009 | CN100479649C Floating island of plant and construction method thereof |
| 04/21/2009 | US7520991 Biological method for removing phosphorus and nitrogen from water using granulated methane-oxidizing bacteria |
| 04/21/2009 | US7520990 water apparatus including recycle tanks, bioreactor tanks and bioselectors for recapturing anaerobic bacteria particles escaping from the bioreactor tank and returning them to the bioreactor tanks |
| 04/21/2009 | US7520980 Bioreactor system for multi-stage biological wastewater treatment |
| 04/16/2009 | WO2009047970A1 Fine bubble diffusing pipe, fine bubble diffusing device, and dipped type film separating device |
| 04/16/2009 | WO2009047406A2 Method and installation for biologically treating waste water |
| 04/16/2009 | WO2009047259A1 Flushed anaerobic digester with fixed biofilm |
| 04/16/2009 | WO2009047230A1 A plant for waste water treatment |
| 04/16/2009 | WO2009017380A3 Filteration module and the dirty/waste water treatment system and method using the filteration module as high concentration |
| 04/16/2009 | WO2008057784A3 Upflow bioreactor having a septum and an auger and drive assembly |
| 04/16/2009 | WO2007083304A3 Method of removal of heavy metal ions from water |
| 04/16/2009 | WO2007008630A3 Floating sequencing batch reactor and method for wastewater treatment |
| 04/16/2009 | WO2005107929A3 Filtration apparatus comprising a membrane bioreactor and a treatment vessel for digesting organic materials |
| 04/16/2009 | US20090095675 Water treatment bioreactor using hollow filaments |
| 04/16/2009 | US20090095674 Method and eqipment for biological treatment of organic wastewater |
| 04/16/2009 | US20090095673 Systems and methods for combining and converting solid and liquid organic waste materials into useful products |
| 04/16/2009 | DE102005036364B4 Vorrichtung zum Abzug von Prozesswasser Apparatus for deduction of process water |
| 04/16/2009 | CA2704793A1 Flushed anaerobic digester with fixed biofilm |
| 04/16/2009 | CA2696019A1 Fine bubble diffusing tube, fine bubble diffusing device and submerged membrane separation apparatus |
| 04/16/2009 | CA2694375A1 Method and installation for biologically treating waste water |
| 04/15/2009 | EP2046689A1 Plant for the prepurification of contaminated water with integrated further treatment of the solids |
| 04/15/2009 | EP2046679A2 Method for high energy density biomass-water slurry |
| 04/15/2009 | CN201220931Y Apparatus for realizing sludge shortcut nitrification by using FA and FNA control |
| 04/15/2009 | CN201220926Y Water decanter by using intermittent activated sludge process |
| 04/15/2009 | CN201220925Y Pulse aeration type membrane bioreactor apparatus |
| 04/15/2009 | CN101410332A Method of utilizing by-product water and system for utilizing by-product water |
| 04/15/2009 | CN101409355A Photosynthesis microorganism fuel cell |
| 04/15/2009 | CN101407769A Dry powder biological demulsifying agent and Bacillus alcaligenes applied to petroleum extraction |
| 04/15/2009 | CN101407761A Liquid inocula composed of yeast fused strain, Geotrichum candidum Link and Rhizopus, and preparation and use thereof |
| 04/15/2009 | CN101407363A Apparatus for processing oxidative pollutant in drinking water |
| 04/15/2009 | CN101407362A Method for treating papermaking waste water by constructing artificial flora |
| 04/15/2009 | CN101407361A Novel uses of Salicornia bigelovii and root extract thereof |
| 04/15/2009 | CN101407360A Method for processing waste water of circulating marine culture by using artificial wet land |
| 04/15/2009 | CN101407359A Method and apparatus for processing municipal sewage by denitrifying phosphorus removal |
| 04/15/2009 | CN100478287C Film coating method of filling material in biological contact oxidation pond |
| 04/15/2009 | CN100478285C Process of eliminating heavy metals from city sewage and sludge |
| 04/15/2009 | CN100478282C Method for purifying water of culture pond |
| 04/15/2009 | CA2610599A1 An integrated water processing technology |
| 04/14/2009 | US7517454 Method for treating wastewater containing active sludge |
| 04/14/2009 | CA2312650C Mixing drum for composting toilet |
| 04/09/2009 | WO2009046415A1 Systems and methods for achieving partial nitrification in a biological nitrogen removal reactor |
| 04/09/2009 | WO2009044076A2 Method for continuous processing of solid organic products and installation for continuous processing of solid organic products |
| 04/09/2009 | WO2009043163A1 Bacterial degradation of paralytic shellfish toxins |
| 04/09/2009 | WO2009004154A3 Method for the bacterial treating of effluents containing 2-ethylhexyl nitrate |
| 04/09/2009 | WO2009003603A3 Apparatus and method for the purification of grey water |
| 04/09/2009 | WO2008102107A3 Apparatus for processing fluids |
| 04/09/2009 | US20090093044 Method for treating organic matter to promote mouldering |
| 04/09/2009 | US20090092584 Bio degradation of oxyanions such as perchlorate on ion exchange resins |
| 04/09/2009 | US20090090670 Wastewater treatment system and method |
| 04/09/2009 | DE202009000549U1 Biochemisches Filterelement Biochemical filter element |
| 04/08/2009 | EP2043427A1 Aquaponics system |
| 04/08/2009 | CN201217644Y Floating island type biological treatment system |
| 04/08/2009 | CN201217643Y Sinking chamber type biological treatment system |
| 04/08/2009 | CN201217642Y Integral support mould structure of circular aeration tank |
| 04/08/2009 | CN201217641Y Synthetic biochemical treatment pool of drinking water with multicomponent microorganism |
| 04/08/2009 | CN201216084Y Novel submerged plant growth carrier |
| 04/08/2009 | CN101405227A Diffuser for aeration |
| 04/08/2009 | CN101405222A Process and device for the anaerobic treatment of waste water |
| 04/08/2009 | CN101402934A Water quality purification bacterium agent from mix fermentation production with multiple bacterials and production method thereof |
| 04/08/2009 | CN101402510A Monotubular anaerobic-aerobic composite microencapsulation biological fluidized bed automatic control apparatus |
| 04/08/2009 | CN101402509A Treatment system and method for high-salt wastewater |
| 04/08/2009 | CN101402507A Constant-water level CAST wastewater treatment method and system |
| 04/08/2009 | CN101402506A Process for treating dimethyl sulfoxide wastewater with photocatalysis and oxidization combined film bioreactor |
| 04/08/2009 | CN101402504A Treatment system for wastewater without sewage sludge |
| 04/08/2009 | CN101402502A Treatment method and apparatus for mifepristone wastewater |
| 04/08/2009 | CN101402491A Method for treating heavy metal-containing acidic waste water and recycling heavy metal with biomass fixed bed |
| 04/08/2009 | CN101402490A Method for directly digesting fresh cattle manure with earthworm |
| 04/08/2009 | CN101402489A Process for treating chemical industry tail water with immobilized microorganism-artificial wet land |
| 04/08/2009 | CN101402488A CAST segmenting water feed reinforced denitrification process control system |
| 04/08/2009 | CN101402487A Water treatment system in two-stage moving bed biomembrane reactor |
| 04/08/2009 | CN101402486A Film treatment system and method for ferromanganese ion overproof groundwater |
| 04/08/2009 | CN101402485A Cohesive action nutrient source SRB sewage sludge immobilization particle, production and uses in treating heavy metal wastewater thereof |
| 04/08/2009 | CN101401556A Method for controlling unit cell algae density in apostichopus japonicus culture pond |
| 04/08/2009 | CN101401527A Surface cultivation plants floating bed of industrial production |
| 04/08/2009 | CN100475950C Bacillus megaterium and use thereof |
| 04/08/2009 | CN100475730C Large scale methane tank |