| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 02/21/2007 | CN1915855A Energy saving method for circulating equipment of oxidation channel in sewage disposal plant |
| 02/21/2007 | CN1915847A Biologic catalysis electode in use for processing nitryl aromatic compound and objects of halogenation |
| 02/21/2007 | CN1915840A City preposition base for engineering system, and method |
| 02/21/2007 | CN1301220C Feces and urine treatment method by compound microbe |
| 02/21/2007 | CN1301151C Outside circulation gas lift type membrane reactor |
| 02/20/2007 | US7179633 For neutralizing alkaline wastewater having a pH of 11.5 to 12, efficiency |
| 02/20/2007 | US7179387 sequestering a sector of water within a body of water; suspending a substantially water-impermeable barrier from a floating support to form water column where remediation takes place |
| 02/20/2007 | US7179381 Emplacement of treatment agents using soil fracturing for remediation of subsurface environmental contamination |
| 02/20/2007 | US7179370 Energy-efficient biological treatment system with filtration membrane |
| 02/20/2007 | US7178677 Aeration vessel for use in aerobic wastewater treatment system |
| 02/20/2007 | CA2273972C A diffuser for aerating a fluid |
| 02/20/2007 | CA2271844C Groundwater remediation with microporous diffusor |
| 02/15/2007 | WO2007018480A1 Biogas producing plant |
| 02/15/2007 | WO2007017529A1 Micro-organism carrier for use in fluid-bed wastewater treatment plants |
| 02/15/2007 | WO2007016916A2 Installation for the nitrification of waste water |
| 02/15/2007 | WO2006133358A3 Method and system for treating oxidized contaminant-containing matrix |
| 02/15/2007 | WO2006026366A3 Anoxic biological reduction system and method |
| 02/15/2007 | US20070034566 Biodestruction of blended residual oxidants |
| 02/15/2007 | US20070034565 Method for treating a contaminated fluid |
| 02/15/2007 | US20070034558 Nitrification system and method |
| 02/15/2007 | DE202006018473U1 Guiding device for improving suction, rough degassing and mixing of swimming sludge and/or foams of water and liquid surfaces for the suction mixer funnel, comprises conduit tube and flow sheet metals |
| 02/15/2007 | DE112005000663T5 Wasserreinigungsvorrichtung Water purification system |
| 02/15/2007 | DE102005037947A1 Purification of water, especially eutrophic sea or lake water, by adding macro-algae to withdrawn partial volume of the water to utilize contaminants as nutrients |
| 02/15/2007 | DE102005037295A1 Kompakt Kläranlagen Compact sewage treatment |
| 02/15/2007 | CA2615524A1 Undersea well product transport |
| 02/14/2007 | EP1751294A1 Ethanol production from biological wastes |
| 02/14/2007 | EP1751067A1 Waste water treatment |
| 02/14/2007 | EP1751066A1 Variously configurable rotating biological contactor and prefabricated components therefor |
| 02/14/2007 | EP1750831A1 Device for injecting gas into a liquid |
| 02/14/2007 | CN2869003Y Filtered delivery anaerobic reactor |
| 02/14/2007 | CN2869002Y Vertical baffle anaerobic reactor |
| 02/14/2007 | CN2869001Y Bare beam column type air-blowing hollow fiber membrane assembly |
| 02/14/2007 | CN2869000Y Wet land water level regulator |
| 02/14/2007 | CN1914123A Gas-liquid dissolution apparatus |
| 02/14/2007 | CN1914122A Process for biological treatment of organic waste water and apparatus therefor |
| 02/14/2007 | CN1911840A Water treatment device |
| 02/14/2007 | CN1911835A Sequential air lifting circulation waste water biological treatment reactor and its process |
| 02/14/2007 | CN1911834A Prewarning and control method of active sludge expansion and biological foam in sewage treatment |
| 02/14/2007 | CN1911833A Method of implementing short course nitration in aeration biological filter chamber using inhibitor |
| 02/14/2007 | CN1911832A Siphon type full automatic aeration biologicall filtering chamber |
| 02/14/2007 | CN1911824A Method for preparing biological flocculant using glutamic acid fermentation waste water |
| 02/14/2007 | CN1300298C Novel microorganism and method of treating organic solid matters with the use of the microorganism |
| 02/14/2007 | CN1300020C Domestic sewage deeply treating process |
| 02/14/2007 | CN1300016C River late water purification method and its special flowing aeration equipment |
| 02/14/2007 | CN1300015C Denitrogenation technique for waste water containing high concentration ammonia nitrogen |
| 02/13/2007 | US7175766 Filtration; precipitation; improved biodegradation; pollution control |
| 02/13/2007 | US7175765 First electrochemical treatment step, and a second biochemical treatment step; increased efficiency and decreased power requirement; treating organic nitrogen, nitrite nitrogen, nitrate nitrogen, ammonia nitrogen or the like in organic waste water discharged from, e.g., a livestock breeder |
| 02/13/2007 | US7175764 Aerobic clarification by activated sludge, dehydration in unit comprising sieve belt filter, desicating, recycling, then discharging; for use during papermaking |
| 02/13/2007 | US7175763 Membrane supported biofilm process for autotrophic reduction |
| 02/08/2007 | WO2007015098A1 Anaerobic digestion of organic wastes |
| 02/08/2007 | WO2007014994A1 Method and arrangement for processing nitrogen-concentrated effluents in a sequential fractionated cycle biological reactor |
| 02/08/2007 | WO2006066018A3 System for wastewater treatment and digestion having aerobic and anaerobic treatment zones |
| 02/08/2007 | US20070029253 Electrical heating module for air flow heating, in particular for heating and ventilation of seats |
| 02/08/2007 | US20070029252 System and process for biomass treatment |
| 02/08/2007 | US20070029243 Methods and apparatus for treating animal manure |
| 02/08/2007 | US20070029240 Phased activated sludge system |
| 02/08/2007 | DE202006018451U1 Activated sludge purification plant for biological waste water treatment, comprises submerged membrane ventilation for extraction of pure water and ventilation/aeration, filtering device, blower, membranes/filters, and vacuum boiler |
| 02/08/2007 | DE102005036470A1 Plant for purifying radioactively contaminated waste water, especially from hospital radiology departments, comprising two gas-supplied biological clarification vessels in series |
| 02/08/2007 | DE102005036363A1 Device for detecting pollutant load in the flow of sludge activation of biological clarifying stages, comprises permeate removal device with a flexible hose pump, a permeate analyzing device, and a permeate monitoring device |
| 02/08/2007 | CA2616624A1 Method and arrangement for processing nitrogen-concentrated effluents in a sequential fractionated cycle biological reactor |
| 02/07/2007 | EP1749798A1 Mineral product for the technological improvement of aerobic biological treatments and corresponding use thereof |
| 02/07/2007 | EP1749100A1 Method for effecting the anaerobic biological decomposition of organosiloxanes |
| 02/07/2007 | EP1748961A1 Waste water purification plant by means of plants |
| 02/07/2007 | EP1748960A1 Plant-based sewage treatment system for purifying waster water |
| 02/07/2007 | CN2866591Y Combined artificial wet land bed |
| 02/07/2007 | CN2866590Y Stepped wet-land bed |
| 02/07/2007 | CN2866491Y Bioenzyme electrochemical water treating device |
| 02/07/2007 | CN1910118A Water treatment by activated sludge |
| 02/07/2007 | CN1908835A Urban sewage gas flow intelligent control device |
| 02/07/2007 | CN1908180A Rhamnolipid crude extract prepared by fermenting food and rink waste oil and application thereof |
| 02/07/2007 | CN1907886A Waste water treatment apparatus for generating firedamp and self-circulating anaerobic reactor thereby |
| 02/07/2007 | CN1907885A Oyster case active filtering material for sewage treatment and preparation method thereof |
| 02/07/2007 | CN1907884A Intelligent bionic aquatic weed |
| 02/07/2007 | CN1907883A Method for treatment of organic drainage |
| 02/07/2007 | CN1298642C Process for reusing sewage from flax degumming treatment |
| 02/07/2007 | CN1298639C Algae treatment system and its use for eutrophic sea water |
| 02/07/2007 | CN1298638C Combination type wetland system for wastewater treatment and technique of wastewater treatment |
| 02/07/2007 | CN1298613C Culture process of high temperature anaerobic hydrogen-generating granular sludge |
| 02/07/2007 | CN1298415C Device for stirring and aerating a liguid in a treatment vessel |
| 02/06/2007 | US7172895 Burkholderia cepacia for use in aerobic decomposition of liquid and solid oil and fat; food processing; waste treatment; drain cleaning; pollution control |
| 02/06/2007 | US7172701 Water treatment method using an inorganic powder reagent with high specific surface area including a step of recycling said reagent |
| 02/06/2007 | US7172700 Method and apparatus for determining weight and biomass composition of a trickling filter |
| 02/06/2007 | US7172699 Biodegradation of materials comprised of nitrogen-containing components is controlled in a manner that reduces tankage requirements, minimizes aeration requirements and eliminates the need for recycle in the denitrification/nitrification cycles |
| 02/06/2007 | US7172698 Anaerobic sludge digester |
| 02/06/2007 | US7172691 Method and system for removal of contaminants from aqueous solution |
| 02/06/2007 | US7172690 Device for purifying waste water, according to the activated sludge process |
| 02/06/2007 | CA2299519C Method and device for purifying waste water comprising an additional sludge treatment by ozonation |
| 02/01/2007 | WO2007012181A1 Apparatus and method for treating fgd blowdown or similar liquids |
| 02/01/2007 | WO2006131643A3 Method for enriching lignocellulose residues with yeast protein |
| 02/01/2007 | WO2006124781A3 Digesters |
| 02/01/2007 | WO2006020485A3 Apparatus, system and method for remediation of contamination |
| 02/01/2007 | US20070025820 Composite material for a permeable reactive barrier |
| 02/01/2007 | US20070023361 Microporous diffusion apparatus |
| 02/01/2007 | US20070023356 Compact wastewater treatment plant having at least three bioreactors in series including microbubble/settling chambers with diffusers for injecting microbubbles into wastewater and rotating biological contactor with discs composed of geometric cells that are interlocked to prevent warping |
| 02/01/2007 | DE102004020226B4 Membranfilter Membrane filter |
| 02/01/2007 | CA2615945A1 Apparatus and method for treating fgd blowdown or similar liquids |
| 01/31/2007 | EP1747058A2 Filtration apparatus comprising a membrane bioreactor and a treatment vessel for digesting organic materials |
| 01/31/2007 | CN2863782Y Artificial wetland heat preservation apparatus for reclaimed water reusing system |
| 01/31/2007 | CN2863781Y High-concentration ammonia nitrogen waste water treatment apparatus |
| 01/31/2007 | CN2863780Y Biological adsorption tower for reclaimed water reusing system |