| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
|---|
| 10/17/2000 | US6132985 Methods for the detoxification of nitrile and/or amide compounds |
| 10/17/2000 | US6132614 Modular wastewater treatment system |
| 10/17/2000 | US6132602 Housing with oxygenation and sedimentation areas |
| 10/17/2000 | US6132601 Ecological apparatus for processing sewage |
| 10/17/2000 | US6132599 Multi-layer recirculating filter wastewater treatment apparatus |
| 10/12/2000 | WO2000015565A3 Fluidized radial flow bioreactor utilizing pellet media |
| 10/11/2000 | EP1042236A1 A method of preparing a microbial culture for wastewater treatment |
| 10/11/2000 | EP1042230A1 Apparatus and process for water treatment |
| 10/11/2000 | EP0632730B1 immobilized film- bioreactor |
| 10/11/2000 | CN2400437Y Spiral aerator |
| 10/11/2000 | CN1269332A Biological treatment technology of organic effluent of factory and organic pollution of river and lake |
| 10/11/2000 | CN1269331A Roof plant sewage-purifying system |
| 10/11/2000 | CN1057281C Anaerobic treatment device for waste water and method thereof |
| 10/11/2000 | CN1057280C Shaft water-collecting-returning type oxidation pond-land percolation field |
| 10/10/2000 | US6129844 Before the anaerobic treatment as a first stage to produce biogas, biomass produced in the second stage, a plant clarifying unit, is added to increase organic load for anaerobic methane digestion |
| 10/05/2000 | WO2000058230A1 Method of treating waste water |
| 10/05/2000 | WO2000058229A1 Method of treating and utilizing sludge |
| 10/05/2000 | WO2000058227A1 Waste water nitrification |
| 10/05/2000 | WO2000058226A1 An apparatus for treatment of waste water |
| 10/05/2000 | DE19916396A1 In-situ microbial decontamination of water, e.g. ground water, contaminated with chlorohydrocarbons uses added iron granulate with specified bulk density for evolution of hydrogen |
| 10/05/2000 | DE19914870A1 Production of a microbial preparation for reducing levels of toxic and odorous substances, e.g. ammonia, hydrogen sulfide, dimethyl sulfide, carboxylic acids and skatole, in the gas phase |
| 10/05/2000 | DE19914791A1 Cleaning composition containing supplins, especially for unblocking fat-plugged waste pipes, includes a urea compound and/or magnesium sulfate |
| 10/05/2000 | DE10015441A1 Sludge treatment plant comprises electro-floatation basin, surface sludge removal system and sludge thermal aerobic stabilizing basin |
| 10/04/2000 | EP1041044A1 A method of purifying waste water containing phenolics |
| 10/04/2000 | EP1041043A2 Water aerator of the plate type |
| 10/04/2000 | EP1040083A1 Installation for biochemichal sewage treatment |
| 10/04/2000 | EP1039965A1 Device and method for aeration of fluids |
| 10/03/2000 | US6127167 Treating wastewater containing organic waste and aerobic microorganisms by supplying oxygen to wastewater, adding an oxidation-reduction substance with potential of-150 to +150 mv to form sludge; reduces amount of aerobe proliferation |
| 10/03/2000 | US6126829 Treating waste water from the wood-processing industry, with a plurality of carrier elements each having flow passages and allow good flow of water therethrough after a microbial film having been established on the surfaces |
| 10/03/2000 | US6126828 Method and apparatus for treating organic waste water |
| 10/03/2000 | US6126827 A wastewater treatment including settling and separating solids from the liquid component, the separated solid portion is turned into a commercially composting material, biotreating liquid influent before discharging to the ground |
| 10/03/2000 | US6126816 Wastewater treatment device |
| 10/03/2000 | US6126150 Submersible mixing impeller |
| 10/03/2000 | CA2032343C Biological activator for septic tanks |
| 09/28/2000 | WO2000056669A1 Bioremediation of methyl tertiary butyl ether pollutants with butane-utilizing bacteria |
| 09/28/2000 | WO2000056668A1 Bioremediation of petroleum pollutants with alkane-utilizing bacteria |
| 09/28/2000 | WO2000056667A1 Method for treating water and sewage purification using a fluidised filter bed |
| 09/28/2000 | DE19929568A1 Verfahren zur Wasseraufbereitung und Abwasserreinigung unter Verwendung eines Schwebefilterbettes Processes for water and wastewater treatment using a floating filter bed |
| 09/28/2000 | DE19913682A1 Tellerartiger Wasserbelüfter Plate-like water aerator |
| 09/28/2000 | CA2367931A1 Bioremediation of petroleum pollutants with alkane-utilizing bacteria |
| 09/27/2000 | EP1037858A1 Device and method for creating spherical particles of uniform size |
| 09/27/2000 | EP1037710A1 Method and apparatus for lysing sludge and dividing solids in liquid suspension |
| 09/27/2000 | CN2398266Y Anaerobic pond |
| 09/27/2000 | CN2398265Y Pressure integral membrane biological reactor |
| 09/27/2000 | CN1268223A Methanation activity measuring instrument |
| 09/26/2000 | US6123858 Slow sand filter for use with intermittently flowing water supply and method of use thereof |
| 09/26/2000 | US6123846 Activated-sludge processing apparatus and method for control of sludge to be returned |
| 09/26/2000 | US6123841 Waste-water filtration and purification device for fish cultivation |
| 09/26/2000 | US6123840 Organic waste water treating apparatus having treating layer and auxiliary layer |
| 09/25/2000 | CA2302096A1 Plate-like water aerator |
| 09/21/2000 | WO2000055098A1 Method and apparatus for treating leach fields |
| 09/21/2000 | WO2000054869A1 Mini sewage treatment plant and use of the plant |
| 09/21/2000 | DE4417259C2 Verfahren zum Reinigen von Abwasser mittels Belebtschlamm A method for purifying waste water by means of activated sludge |
| 09/21/2000 | DE19912655A1 Optimization of activation process for water purification using one activation basin comprises feeding inflow and outflow rates to trained neural network which provides predicted values for the outflow rate and other sections of the plant |
| 09/21/2000 | DE19912560A1 Water aerating apparatus comprises support tube fixed in holder and fitted with rubber sleeve with narrow slits between which air under pressure is fed, sleeves being attached to support tube by clips |
| 09/21/2000 | DE19911873A1 Biological water purification apparatus comprises reactors with rotating drums containing tube aerators around circumference and solid bed of polyethylene granules covering part of radius of the drum between aerators and shaft |
| 09/21/2000 | DE19910278A1 Water and sewage purification with mussel reactor as biofilter to remove suspended matter, heavy metals, bacteria and viruses involves adjusting ammonium and oxygen content, temperature and pH to optimize performance |
| 09/20/2000 | EP1036771A1 Use of separated plastic wastes and process for producing granules for waste water treatment |
| 09/20/2000 | EP1036770A1 Waste water treatment plant |
| 09/20/2000 | EP1036039A1 Method for liberating, in aqueous phase, substances which are impossible or difficult to biodegrade from a compounded material which is not soluble in water |
| 09/20/2000 | EP1035906A1 Method and device for reducing the concentration of ingredients in a gas and in a liquid |
| 09/20/2000 | CN1267232A Process for preparation of vesicles |
| 09/20/2000 | CN1267231A Improved mixing and aerating apparatus |
| 09/19/2000 | US6120687 Reducing the amount of sludge produced per unit of wastewater treated. |
| 09/19/2000 | US6120008 Oxygenating apparatus, method for oxygenating a liquid therewith, and applications thereof |
| 09/19/2000 | CA2079282C Composition and method for dehalogenation and degradation of halogenated organic contaminants |
| 09/19/2000 | CA2014180C Liquid treatment installation using a gas, and process for the same |
| 09/14/2000 | WO2000053534A1 Mixing, aeration or oxygenating method and apparatus |
| 09/14/2000 | WO2000053290A1 Method for desulphurization of gases |
| 09/14/2000 | DE19908872A1 Waste water multi-functional treatment basin has mixer assembly which is switched off from time to time so that there is sedimentation of solids |
| 09/14/2000 | DE10011228A1 Treatment of waste gas or water streams containing hydrocarbons, including isoalkanes, comprises using Corynebacterium urealyticum to degrade the hydrocarbons |
| 09/13/2000 | EP1034137A2 Method and device for the purification of waste water |
| 09/13/2000 | CN2396418Y Controller for waste water process in production of antibiotics |
| 09/13/2000 | CN2396037Y Air-distributing blowing aerator |
| 09/13/2000 | CN2396036Y Multi-disc biochemical filling |
| 09/13/2000 | CN1266379A Oxygenating apparatus, method for oxygenating a liquid therewith, and applications thereof |
| 09/12/2000 | US6117324 Flushing animal waste from animal confinement area to treatment chamber, said waste being flushed with water forming waste solution, contacting animal waste solution with gas comprising ozone, separating solids, feeding waste to biobasin |
| 09/12/2000 | US6117323 Maintaining treated wastewater effluent and biomass in quiescent state without aeration or agitation during biomass starvation wherein biomass retains capacity for biological wastewater treatment following prolonged biomass starvation |
| 09/12/2000 | US6117313 Single integrated unit having biological filter and combined aerator/degasser, water entering unit passing through filter to combined aerator/degasser, degasser operable for removing carbon dioxide from water, circulation apparatus |
| 09/12/2000 | US6116816 In situ reactive gate for groundwater remediation |
| 09/08/2000 | WO2000052272A1 Water treatment system and method using permeable embankments, weirs, walls or the like |
| 09/08/2000 | WO2000051717A1 Diffuser assembly |
| 09/08/2000 | WO2000051422A1 Purification device for purifying fresh water |
| 09/08/2000 | CA2364041A1 Diffuser assembly |
| 09/07/2000 | DE19908912A1 Water aerator made of elastic material that can be withdrawn through its retainers to allow replacement in full tank |
| 09/06/2000 | EP1033348A1 Method and apparatus for treating waste water |
| 09/06/2000 | CN2394903Y Powerless full closed integrated living waste water purifying tank |
| 09/06/2000 | CN1265636A Method for inhibiting biogenic sulfide generation |
| 09/06/2000 | CN1056126C Treatment of highly colored wastewater |
| 09/05/2000 | US6113789 Anaerobic digestion of an organic substrate to form sludge, separating the solids, then recycling some of sludge for steam injection and pasteurization, more digestion to destroy disease causing pathogens |
| 09/05/2000 | US6113788 Aerobic oxidation of ammonia nitrogen to nitrates, mixing effluents with recycled sludge and settling yield purified water having reduced oxygen demand, phosphate and nitrogen content |
| 09/05/2000 | US6113787 Process and device for treatment of water from a biodegradeable process |
| 09/05/2000 | US6113786 Anaerobic treatment process with removal of inorganic material |
| 09/05/2000 | US6112458 Processing of sewage sludge into humus |
| 09/05/2000 | US6112338 Mixing drum and composting toilet |
| 09/05/2000 | CA2084821C Ground contamination remediation process and apparatus |
| 09/01/2000 | CA2263611A1 Multi-level septic drainfields |
| 08/31/2000 | DE19963410A1 New symbiotic microbial association of manganese-oxidizing bacteria and algae useful for recovery of manganese from manganese-containing waters |
| 08/31/2000 | DE19908781A1 Effluent water treatment process operates at enhanced pressure, maximizing sedimentation and minimizing filter cleaning intervals |
| 08/31/2000 | DE19907980A1 Vorrichtung zum Behandeln von Abwasser in Kleinkläranlagen, insbesondere Einbecken-Kläranlagen Apparatus for treating wastewater in small treatment plants, in particular single-basin waste water treatment plants |