| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 02/22/2005 | CA2125735C Treatment of process waters to destroy filamentous bacteria |
| 02/17/2005 | WO2005014493A1 Denitrification reactor with a fixed culture |
| 02/17/2005 | WO2005014488A1 Method for desalinating sea water and industrial waste water |
| 02/17/2005 | WO2005014485A2 Chemically enhanced primary sludge fermentation method |
| 02/17/2005 | US20050038292 Methods of using polylactate release compounds |
| 02/17/2005 | US20050037481 Preparing microorganismal inoculum for processing and generating low-sulfide, low nitrogen and low phosphorous depleted waste; bioremediation; pollution control; biodegradation |
| 02/17/2005 | US20050036990 Bacillus megaterium for degradation of fats, oils and grease; bioavailability |
| 02/17/2005 | US20050035059 pollution control apparatus comprising chemical reactors for anaerobic and aerobic processes, filters and desalting devices, used for bioremediation of wastes such as sewage, foods, agriculture or from fermentation processes; water treatment |
| 02/17/2005 | US20050035058 System for the production of biogas and compost from organic materials and method of operating an organic treatment facility |
| 02/17/2005 | DE3916250B4 Mischkammerelement, Mischkammereinheit mit derartigen Mischkammerelementen, Verwendungen der Mischkammereinheit Mixing chamber element mixing chamber unit with such a mixing chamber elements, uses the mixing chamber unit |
| 02/17/2005 | CA2533159A1 Chemically enhanced primary sludge fermentation method |
| 02/16/2005 | EP1506943A1 Water clarifying agent inducing catalytic reaction and method of clarifying water through activation of microorganism |
| 02/16/2005 | EP1112231B1 Method and installations for treating effluents in small communities |
| 02/16/2005 | CN2679146Y Return conduit anti-clogging device of internally circulating anaerobic reactor |
| 02/16/2005 | CN2679145Y Disk-shape aerator |
| 02/16/2005 | CN1582326A Process for the anaerobic treatment of flowable and nonflowable organic waste |
| 02/16/2005 | CN1580239A Benzene denitrifying degradative bacterium and its use |
| 02/16/2005 | CN1579961A Process for treating papermaking waste water utilizing closed reed wet land system |
| 02/16/2005 | CN1579960A Water planting apparatus for treating sewage |
| 02/16/2005 | CN1579959A Carrier circulating biological treating method for sewage treatment |
| 02/16/2005 | CN1579958A Automatized sequential reaction unit for aerobic particle sludge culture and research |
| 02/16/2005 | CN1579957A Trickling filter combined aerated biofiltration waste water treating process |
| 02/16/2005 | CN1579956A Method for treating high-sulphur-phenol waste alkali liquor under normal temperature and pressure conditions |
| 02/16/2005 | CN1579149A Submerged aerator with multi-step mixing and separation function |
| 02/16/2005 | CN1579148A Ionic water-purifying filtering material for use in aquatic production culture |
| 02/16/2005 | CN1189407C Method for regulating aeration during waste water biological treatment |
| 02/15/2005 | US6855256 Mixing sludge with an acidic leaching solution to acidify and to dissolve heavy metals and to destroy the majority of the pathogenic microorganisms, without dissolving fertilizing elements; solid-liquid separation; neutralizing; recovering |
| 02/15/2005 | US6855255 Carrier comprising a polymer foam and adsorbent zeolite particles entrapped in pores of the polymer foam; influent contains ammonia and/or nitrogen- containing compounds |
| 02/15/2005 | US6855254 Metal recovered from the oil-metal-organic waste slurry using magnetic separator; remaining waste transferred into an anaerobic reactor to react with anaerobic bacteria in a sludge seed; recovering inorganic gases |
| 02/15/2005 | US6855253 Promotes the decomposition or "digestion" of organic waste material into simple organics and gaseous bio gas(a mixture of methane, carbon dioxide, hydrogen sulfide etc.), and the biogas is formed by the activity of an anaerobic bacteria |
| 02/10/2005 | WO2005012192A1 Bio degradation of oxyanions such as perchlorate on ion exchange resins |
| 02/10/2005 | WO2005012191A2 System and method for enhanced wastewater treatment |
| 02/10/2005 | WO2005012188A1 Seaweed-based product for treating liquid waste, together with method for making and using the seaweed-based product |
| 02/10/2005 | WO2004060811A3 Process for treating a body of water |
| 02/10/2005 | US20050029189 Process and device for biological treatment of a suspension in a bioreactor with integrated hydraulic top scum treatment |
| 02/10/2005 | US20050029188 Method of treating sewage |
| 02/10/2005 | US20050029187 Cement paste containing microbial cells |
| 02/10/2005 | US20050029176 Oxygen-supply-capable cooling water equipment and filtration-function-equipped cooling water equipment incorporated with these equipment |
| 02/10/2005 | US20050028680 Biosolids pasteurization systems and methods |
| 02/10/2005 | DE10331507A1 Verfahren zum biologischen Abbau Nitroaromaten enthaltender Abwässer A method for biodegradation nitroaromatics-containing wastewater |
| 02/10/2005 | CA2531063A1 Bio degradation of oxyanions such as perchlorate on ion exchange resins |
| 02/09/2005 | EP1503961A1 Process for the removal of organic sulfur in wastewater including an oxidative pretreatment |
| 02/09/2005 | EP1503850A1 Stirring and aerating device for activated sludges |
| 02/09/2005 | EP1503848A1 Hollow-fibre membrane filtration device and use thereof for purifying waste water, in addition to membrane bioreactor |
| 02/09/2005 | CN2677369Y Integral biological filtering tower sewage treatment device |
| 02/09/2005 | CN1576441A 洗涤机 Washing machine |
| 02/09/2005 | CN1576245A Water quality information computing processing apparatus |
| 02/09/2005 | CN1188357C Deep processing method for deodorizing waste water by soil microorganism |
| 02/09/2005 | CN1188356C Waste discharged water treating method for methyl ethyl ketone production |
| 02/09/2005 | CN1188354C Maze biological carrier separator for biological fluidizing reactor |
| 02/09/2005 | CN1188353C Diffusionless full-sealed hospital sewage treating system |
| 02/08/2005 | US6852305 Process for the production of hydrogen sulphide from elemental sulphur and use thereof in heavy metal recovery |
| 02/08/2005 | US6852228 Method and apparatus for purifying untreated water |
| 02/08/2005 | US6852227 For use in biological digester; comprising truncated conical shape having central longitudinal axis, first opening at first end, plurality of internal ribs extending radially from central axis, joined with outer wall, extending longitudinally |
| 02/08/2005 | US6852226 Waste treatment system for treatment of organic waste and digested liquid thereof |
| 02/08/2005 | US6852225 Forming primary waste pond as stable microbiological methane fermentation zone; converts organic compounds, including settleable solids, into methane, retaining hydrogen sulfide in solution in the pond water; methane used for power generation |
| 02/08/2005 | US6851891 Organic slurry storage basin cover |
| 02/03/2005 | WO2005009910A1 Method for anaerobic sludge digestion and a digester |
| 02/03/2005 | WO2005009909A1 Gel-based remedial additive for remediation of environmental media and method of use |
| 02/03/2005 | WO2004101449A3 Method of degrading tbp using a photosynthetic bacterial strain |
| 02/03/2005 | US20050023217 mixture of charcoal and bacillus for use in controlling algae growth in water |
| 02/03/2005 | US20050023216 Method and device for purifying wastewaters |
| 02/03/2005 | US20050023215 flowing water to vessels and mixing, then introducing oxygen, clarification and separating into clarified liquid effluents and sludge; reducing concentration of nitrogen compounds |
| 02/03/2005 | US20050023214 Micronutrients manganese sulfate, copper sulfate, iron sulfate, zinc sulfate, sodium borate, sodium molybdate, and citric acid; stabilizer potassium stannate; antifungals potassium sorbate, sodium propionate and formate, propionic and formic acid |
| 02/03/2005 | US20050023202 Apparatus for recuction of biological wasted sludge |
| 02/03/2005 | US20050023199 Method and apparatus for treatment of wastewater employing membrane bioreactors |
| 02/03/2005 | CA2532733A1 Gel-based remedial additive for remediation of environmental media and method of use |
| 02/02/2005 | EP1502948A1 Ammonia-oxidizing bacteria |
| 02/02/2005 | EP1502899A1 A wastewater treatment system |
| 02/02/2005 | EP1339823B1 Detergent |
| 02/02/2005 | CN2675655Y Anaerobic sludge bed reactor |
| 02/02/2005 | CN2675654Y Ground imbedded effluent treatment pool |
| 02/02/2005 | CN2675653Y Integral film intermittent active sludge reactor facility |
| 02/02/2005 | CN2675652Y Suspension filling material for facilitating fluidization of big particle solid materials |
| 02/02/2005 | CN2675651Y Dynamic aerobiotic fermentation processing unit for sludge stabilization |
| 02/02/2005 | CN2675650Y Multiple impeller aeration oxidation ditch sewage treatment equipment |
| 02/02/2005 | CN2674854Y Fluidized bed biological filter equipment |
| 02/02/2005 | CN1575196A Device and method for cleaning a fluid, such as water |
| 02/02/2005 | CN1572729A Microbe decomposition treatment method for waste water and mixing apparatus for waste water treatment agent |
| 02/01/2005 | US6849664 Process for disposing biocide-containing cooling water |
| 02/01/2005 | US6849445 Treating water source to remove methyl-tert-butyl ether and methyl-tert-amyl ether; obtain water source, incubate with preferential bacteria under aerobic conditions, degrade impurties, monitor water health |
| 02/01/2005 | US6849430 PCR-based monitoring in wastewater biotreatment systems |
| 02/01/2005 | US6848258 Gas transfer energy recovery and effervescence prevention apparatus and method |
| 02/01/2005 | CA2436305A1 Struvite crystallization |
| 01/27/2005 | WO2005007588A1 Method and apparatus for anaerobic treatment of wastewater containing sulfur compound |
| 01/27/2005 | WO2005007587A1 Method for the biological breakdown of effluent containing nitroaromatics |
| 01/27/2005 | WO2005007578A2 Method for clarifying waste water containing organic material |
| 01/27/2005 | US20050019895 reducing the concentration of methyl tert-butyl ether or tert-amyl methyl ether in ground water, using bacteria on supports; pollution control |
| 01/27/2005 | US20050019315 Odor control compositions and methods |
| 01/27/2005 | US20050016920 Chemically enhanced primary sludge fermentation method |
| 01/27/2005 | DE10331297A1 Desalinating salt water, especially sea water, to produce drinking water, by contacting with microorganisms mutated by electromagnetic radiation to cause precipitation of salt |
| 01/27/2005 | CA2529787A1 Method for clarifying waste water containing organic material |
| 01/26/2005 | CN1571833A Variovarax strains capable of degrading methyl tert-butyl either and their use |
| 01/26/2005 | CN1570084A Benzene denitrifying bacteria and its uses |
| 01/26/2005 | CN1570081A Ceramide bacillus and method for production of glycoprotein analog biological flocculant using same |
| 01/26/2005 | CN1570079A Nitrobenzene contaminant high efficiency degradation bacterium and its using method |
| 01/26/2005 | CN1569697A Advanced wastewater treatment using floating filter media |
| 01/26/2005 | CN1569690A SBR alternant aerobic/anaerobic technology for biological denitrification and real time control device and method thereof |
| 01/26/2005 | CN1569689A Lateral flow aeration biological filtering-tank reactor |
| 01/26/2005 | CN1569688A Alternation internal circulation aerobe reactor |