| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
|---|
| 08/10/2004 | US6773609 Increasing efficiency of oxidative destruction of such as dioxins or pcbs; using fine bubbles of ozone |
| 08/10/2004 | US6773598 Method and apparatus for biodegradation of oxygenates |
| 08/10/2004 | US6773597 Method and apparatus for reducing excess sludge |
| 08/10/2004 | US6773596 Activated sludge method and device for the treatment of effluent with nitrogen and phosphorus removal |
| 08/10/2004 | US6773595 Compartmentalized facultative lagoon and method of creating and maintaining such a lagoon |
| 08/10/2004 | US6773594 Waste-water purification in cattle-breeding systems |
| 08/10/2004 | US6773593 Continuous flow reactor wastewater treatment plant |
| 08/10/2004 | US6773592 Introducing inoculum of selected micro-organisms into quiescent zone in sewerage conduit system, inoculum comprising a competitive culture of favourable microorganisms which on incubation is able to out compete undesirable microorganisms |
| 08/10/2004 | CA2163462C Bioreacter for biological treatment of contaminated water |
| 08/05/2004 | WO2004065313A1 Method and device for reducing sludge production at treatment plants |
| 08/05/2004 | WO2004065307A2 Small-scale wastewater treatment installation comprising concentric treatment stages |
| 08/05/2004 | WO2004064985A1 Membrane system and method for permeate side cleaning of said system |
| 08/05/2004 | WO2004052790A3 Apparatus for treatment of wastewater employing membrane bioreactors |
| 08/05/2004 | US20040152151 wastewater treatment; biocatalysts; pollution control |
| 08/05/2004 | US20040149661 Promoting coagulation of biocolloidal material by introducing trivalent salt flocculant upstream of secondary treatment stage |
| 08/05/2004 | US20040149653 Multiple barrier biological treatment systems |
| 08/05/2004 | US20040149652 Reducing thickness and increasing permeability of biomat; temporarily converting to aerobic scouring condtions by forced introduction of oxygen into soil absorption field |
| 08/05/2004 | US20040149651 Method and apparatus for determining weight and biomass composition of a trickling filter |
| 08/05/2004 | US20040149650 Adding surfactant and/or flocculating agent then settling in clarifier; transfering concentrate to long hydraulic retention time digester; treating with activated sludge and degrading; lower cost |
| 08/05/2004 | US20040149233 Aquaculture system |
| 08/05/2004 | US20040148690 Toliet system |
| 08/04/2004 | EP1441990A1 Incubation treatment of sludge for pathogen reduction prior to digestion |
| 08/04/2004 | EP1441989A2 Method for biological water treatment by addition of macromolecular carbohydrates |
| 08/04/2004 | CN2630241Y Upstream anaerobic-aerobic integrated reactor |
| 08/04/2004 | CN2630240Y 有机废水净化器 Organic waste water purifier |
| 08/04/2004 | CN2630239Y Suspension chain aerating apparatus |
| 08/04/2004 | CN1517310A 排水处理方法 Wastewater treatment method |
| 08/04/2004 | CN1517309A Water treatment device having grid or screen on regulator |
| 08/04/2004 | CN1517308A Treatment method of water recovered from oil field refilling |
| 08/04/2004 | CN1160261C Biological chain method for treating eutrophication of water in lake |
| 08/03/2004 | US6770470 Microorganism for use in bioremediation and removal of tetramethyl ammonium hydoxide from wastewater |
| 08/03/2004 | US6770200 Method and apparatus for enhancing wastewater treatment in lagoons |
| 08/03/2004 | US6770199 Method of extracting environmental contaminants and pollutants through biomass harvestation |
| 08/03/2004 | US6770198 Inoculation, incubation |
| 08/03/2004 | CA2237751C Effluent filtering apparatus |
| 07/29/2004 | WO2004043867A3 Anaerobic fermenter |
| 07/29/2004 | US20040144720 Method for treating wastewater/water with fixed-film microorganism on porous carriers |
| 07/29/2004 | US20040144719 treatment of wastewater containing human waste in a container comprising applying to the sludge a biologically effective amount of composition containing a lignosulfonate and sludge digesting microbes |
| 07/29/2004 | US20040144718 Process and plant for cleaning waste water |
| 07/29/2004 | US20040144155 Compositions and methods for removing pollutants from contaminated water with a fern plant |
| 07/29/2004 | DE10303105A1 Assembly for the aeration of water, in a basin, is a hose along the bottom of the basin divided into sections with slits to release fine air bubbles and perforated internal intermediate support sections without slits |
| 07/29/2004 | DE10301860A1 Membrane filter assembly with capillary membranes, to clean drinking water and treat communal/industrial sewage, has a circuit linked to the permeate collection zone and a cleaning liquid feed to clean them together |
| 07/29/2004 | DE10301858A1 Small scale sewage treatment plant is in a circular structure for sewage to flow outwards from the center bioreactor, into the denitrification/nitrification stage and the sedimentation zone to the cleaned water outflow |
| 07/28/2004 | EP1440944A1 Waste water treatment method |
| 07/28/2004 | EP1440943A2 Wastewater treatment apparatus |
| 07/28/2004 | EP1440942A1 Device for the treatment of effluent, sludge and organic substrates |
| 07/28/2004 | EP1440042A1 Device and method for purifying wastewater |
| 07/28/2004 | EP1284930A4 Formation of composite materials with expandable matter |
| 07/28/2004 | EP1257505B1 Removal of sulfur compounds from wastewater |
| 07/28/2004 | EP1121331B1 Microbiological method for eliminating a nitroaromatic compound |
| 07/28/2004 | EP1015101B1 Aeration diffuser |
| 07/28/2004 | CN2628522Y Improved aeration biological filtering tank |
| 07/28/2004 | CN1516773A Toilet system |
| 07/28/2004 | CN1515510A Rotary disk aerator device mounted on horizontal shaft |
| 07/28/2004 | CN1515342A Heterogravity composition filtering material |
| 07/28/2004 | CN1159235C Process for treating and reclaming waste liquid of molasses alcohol |
| 07/28/2004 | CN1159234C Ecological treating method of waste water in wet land for residential area |
| 07/28/2004 | CN1159233C Equipment for denitrifying and dephosphating sewage in integrated aerobic/anaerobic bilogic fiter pool |
| 07/27/2004 | US6767464 Process and apparatus for waste water treatment |
| 07/27/2004 | US6767463 Method for minimizing the new water use in the water circulation system of a treatment plant |
| 07/27/2004 | US6767462 Apparatus and method for purifying wastewater using back overflowed sludge |
| 07/27/2004 | US6767455 Airlift membrane device and membrane bioreactor and bioreactor process containing same |
| 07/22/2004 | WO2004061242A2 Water circulation systems for ponds, lakes, and other bodies of water |
| 07/22/2004 | WO2004060811A2 Process for treating a body of water |
| 07/22/2004 | WO2004011377A3 Treatment of wastewater by biological and membrane separation technologies |
| 07/22/2004 | US20040140448 Biodegrading said wastewater without any prior pH adjustment by alkalophilic/alkaline-tolerant microbes |
| 07/22/2004 | US20040140262 Oxygen depleted wastewater fluid flow through vessel with set of perforated triangular vanes arranged to rotate about vertical axis; air is drawn, mixed and entrained in mist that coalesces to form bubbles; pumping, expulsion |
| 07/22/2004 | US20040140261 Method of extracting environmental contaminants and pollutants through biomass harvestation |
| 07/22/2004 | US20040139992 Pressurized gas pulses; economically reducing fouling rate in water purifier systems; variety of configurations; aerobic or anaerobic |
| 07/22/2004 | DE10259914A1 Clarifier, for biological water cleaning in a tank or a pond, is a vessel open at the bottom containing filters with colonies of micro-organisms and a compressed air supply |
| 07/22/2004 | CA2723331A1 Water circulation systems for ponds, lakes, and other bodies of water |
| 07/21/2004 | EP1438265A2 Fixed-film anaerobic digestion of flushed manure |
| 07/21/2004 | EP0946427B1 Biochemical media system for reducing pollution |
| 07/21/2004 | CN2626991Y Rotary cutting aerator |
| 07/21/2004 | CN2626990Y Sewage treatment reactor |
| 07/21/2004 | CN2626989Y Three phase separating apparatus |
| 07/21/2004 | CN2626988Y Improved organism filling material for water treatment |
| 07/21/2004 | CN2626987Y Intermediate water reclamation device |
| 07/21/2004 | CN2626986Y Up flow type anaerobic ammoxidation biomembrane reactor |
| 07/21/2004 | CN1514049A Composite elastic filament material and its processing method |
| 07/21/2004 | CN1513978A Decolur yeast of manganese producing depended pervxidase and its application |
| 07/21/2004 | CN1513776A Ceramic particle for waste water treatment and its production technology |
| 07/21/2004 | CN1513768A Method of eliminating pond water contcminant using self circulation method |
| 07/21/2004 | CN1158223C Circulating fecal treatment device and method |
| 07/21/2004 | CN1158128C Water strainer without power source |
| 07/20/2004 | US6764600 Zones for storage, settling and batch reaction onto supernatant; fermentation; passageway with pump for transference of solids and liquids; sewage treatment |
| 07/20/2004 | US6764599 Method for controlling waterborne disease organisms, parasites and other infectious agents |
| 07/20/2004 | US6764111 Compression clamp for water-tight sealing of tubular components |
| 07/20/2004 | US6763951 Wastewater management system |
| 07/20/2004 | US6763950 Wastewater treatment apparatus |
| 07/20/2004 | CA2105859C Semi-continuous bacterial leaching process |
| 07/15/2004 | WO2004050566A3 Method for purifying waste water and corresponding waste water purification installation |
| 07/15/2004 | WO2004033371A3 Method for reducing sludge of a biological ozone treatment system |
| 07/15/2004 | WO2004028974A3 Controlling wastewater treatment processes |
| 07/15/2004 | US20040134856 sludge flocculation/aeration/oxidation/filtration through membrane; pollution control |
| 07/15/2004 | US20040134853 Vacuum retort anaerobic digestion system and process |
| 07/15/2004 | DE202004001854U1 Small-scale sequence batch waste water purification treatment reactor start-up process is by guided pressure sensors linked to regulator unit |
| 07/15/2004 | DE10261349A1 Improving the separation properties in activated precipitation in waste water treatment involves addition of enzyme mixtures to favor floc-forming microorganism metabolisms |
| 07/15/2004 | DE10259915A1 Filterelement für eine Klärvorrichtung zur biologischen Reinigung von Wasser Filter element for a clarifier for biological treatment of water |
| 07/15/2004 | DE10259392A1 Sediment or mud level measuring system for determining the level of mud or ground water for building purposes based on supplying air and measuring a reaction pressure |