| Patents for C02F 11 - Treatment of sludge; Devices therefor (21,423) |
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| 08/18/1994 | DE4324502A1 Oxidatives Abfallbehandlungsverfahren Oxidative waste treatment processes |
| 08/17/1994 | EP0610616A1 Two-stage wet oxidation process for treating wastewater |
| 08/17/1994 | CN1090786A Plant for processing slurry and uses of same |
| 08/17/1994 | CN1090707A Anthraquinone inhibition of methane production in methanogenic bacteria |
| 08/16/1994 | US5338511 Undecylenate deodorants for sewage sludges |
| 08/16/1994 | US5338447 Bioreactor |
| 08/16/1994 | US5337496 Sludge treatment process |
| 08/12/1994 | CA2095803A1 Two-stage subcritical-supercritical wet oxidation |
| 08/11/1994 | DE4302922C1 Process and equipment for the treatment of sludges |
| 08/10/1994 | EP0609614A1 Raw sewage disposal apparatus |
| 08/09/1994 | US5336398 Water treatment device |
| 08/04/1994 | WO1994017161A1 Solid waste disposal process and apparatus |
| 08/04/1994 | WO1994017001A1 Process and apparatus for treating sludge from waste water, especially from sewage |
| 08/04/1994 | DE4302740A1 Biological waste disposal process with electricity generation |
| 08/03/1994 | EP0524245B1 Process and apparatus for pathogen reduction in waste |
| 08/03/1994 | EP0404832B1 Method for the processing of organic compounds |
| 07/29/1994 | CA2109783A1 Raw sewage disposal apparatus |
| 07/27/1994 | EP0607644A1 Partial oxidation of sewage sludge |
| 07/27/1994 | EP0526458B1 Process and equipment for utilizing sewage sludge |
| 07/27/1994 | CN1089923A Fluidized bed incinerating method for treatment of industrial poison sewage or sludge |
| 07/20/1994 | EP0426813B1 Process for manufacturing clinkers |
| 07/20/1994 | CN1089579A Iron method for preptreatment for marsh gas fermentation of molasses containing waste water |
| 07/14/1994 | DE4300709A1 Vehicle washing station waste water cleaning process |
| 07/13/1994 | EP0606154A2 Sludge filtering and thickening installation and method |
| 07/13/1994 | CN1089241A Oxidation of ammonium ions and organic carbon in wastewaters |
| 07/07/1994 | WO1994015019A1 Method of disposing of excess sludge |
| 07/07/1994 | CA2152618A1 Method of disposing of excess sludge |
| 07/05/1994 | US5325605 Method and apparatus for waste treatment |
| 06/29/1994 | EP0603457A1 Waste-treating material |
| 06/29/1994 | CN1088615A Process for intensification of fermentations |
| 06/29/1994 | CA2112533A1 Sewage incineration system |
| 06/28/1994 | CA1330457C Method and installation for the break-down and recycling of solid urban waste by anaerobic fermentation |
| 06/24/1994 | CA2086212A1 Partial oxidation of sewage sludge |
| 06/23/1994 | WO1994013592A1 Sludge treatment process and plant |
| 06/23/1994 | WO1994013382A1 Heavy-liquid processing installation and its use |
| 06/17/1994 | CA2089019A1 Waste-treating material |
| 06/15/1994 | EP0601245A1 Delayed, exothermic, alkaline sterilization method for treating wastewater sludges |
| 06/14/1994 | CA1330239C Process for the disinfection of sewage sludge |
| 06/09/1994 | WO1994012263A1 A device for dewatering and/or transport of screening or sludge material |
| 06/08/1994 | EP0585221A4 Anaerobic digestion process |
| 06/08/1994 | CN1024917C Method to treat sludge in dichloroethane stock tank |
| 06/07/1994 | US5318184 Sludge drying system |
| 06/01/1994 | EP0599182A1 Process for oxidation of ammonium ions and organic carbon in waste water |
| 05/31/1994 | CA1329957C Process for removing metal contaminants from liquids and slurries |
| 05/26/1994 | WO1994011310A1 Process for the oxidation of materials in water at supercritical temperatures utilizing reaction rate enhancers |
| 05/26/1994 | CA2148080A1 Process for the oxidation of materials in water at supercritical temperatures utilizing reaction rate enhancers |
| 05/26/1994 | CA2109879A1 Oxidation of ammonium ions and organic carbon in wastewaters |
| 05/25/1994 | CN2166127Y Household anaerobic apparatus |
| 05/11/1994 | EP0595858A1 Supercritical water oxidation process and apparatus of organics with inorganics. |
| 05/11/1994 | CN1086457A Sludge dehydrating press and method for treating sludge |
| 05/11/1994 | CN1024462C In-situ formation of soluble silicates from biogenetic silica in chemical fixation/solidification treatment of waste |
| 05/04/1994 | EP0463062B1 Bioslurry reactor for treatment of slurries containing minerals, soils and sludges |
| 05/03/1994 | US5308610 Odor control composition and method of using same |
| 05/03/1994 | CA1329278C Procedure and bioreactor for treating low activity organic wastes from nuclear power plants with the aid of anerobic fermentation |
| 04/28/1994 | WO1994008907A1 Process for intensification of fermentations |
| 04/28/1994 | WO1994008905A1 Process for treating industrial waste waters with low concentrations of toxic organic pollutants |
| 04/28/1994 | WO1994008738A1 Anthraquinone inhibition of methane production in methanogenic bacteria |
| 04/28/1994 | DE4312891C1 Decontaminating aq. sludges by removal of gaseous and liq. harmful substances - by microbiological oxidn. with water-filled porous microorganism carrier body on the surface of the sludge |
| 04/28/1994 | CA2147253A1 Process for treating industrial waste waters with low concentrations of toxic organic pollutants |
| 04/27/1994 | EP0593887A1 Process for drying pasty material preferably in the form of pellets, especially sewage sludge and apparatus for carring out this process |
| 04/27/1994 | EP0593802A1 Method of removing volatile chlorinated hydrocarbon base materials |
| 04/27/1994 | EP0593771A1 Method of recovering volatile acids |
| 04/27/1994 | EP0523081B1 Process and installation for purifying waste water |
| 04/27/1994 | CN1085877A A method for improving bottom and water quality in water areas and a set of agents used in the method |
| 04/26/1994 | US5306481 Partially reforming heavy liquid hydrocarbons in steam fluidized bed, steam reforming over fixed catalyst bed |
| 04/26/1994 | CA2027073C System of and apparatus for sanitizing waste material |
| 04/21/1994 | DE4234952A1 Thermal drying of sludges, especially sewage sludge - sludge is atomised by jet of hot gas before being dried by further hot gas stream |
| 04/21/1994 | CA2108854A1 Sludge collection and detoxification apparatus |
| 04/20/1994 | CN1085471A Treatment of waste materials for disposal |
| 04/19/1994 | US5304709 Adding finely divided particles of dry cementitious material to water containing hazardous waste, allowing to drop through without mixing to displace excess water, curing to immobilize |
| 04/19/1994 | US5304708 Alloying metal hydroxide sludge waste into a glass material |
| 04/19/1994 | US5304706 Mixture of organophilic clay, clay growth agent, initiator, oxidizer, magnesium and/or aluminum compounds, for in situ hardening of hazardous waste mixtures |
| 04/14/1994 | DE4233672A1 Environment friendly disposal of clarification sludge - by drying, conditioning and use as fuel in ore smelting. |
| 04/13/1994 | EP0591299A1 Process and device for sludge dewatering. |
| 04/13/1994 | CN1085193A Method and apparatus for recovery of oil from oil-bearing sludge |
| 04/06/1994 | EP0591124A1 Device and method for drying sludge |
| 04/06/1994 | EP0590909A1 Sludge treating process and apparatus |
| 04/06/1994 | EP0590816A1 Immobilisation of wate material |
| 04/06/1994 | EP0590711A1 A method for the immobilisation of waste material contaminated with organic chemical compounds |
| 04/06/1994 | CN1084831A Vertical flow-reflection multi-function biolochemical reactor |
| 04/06/1994 | CN1084826A Producing method for new type crocus |
| 03/31/1994 | WO1994006575A1 Compositions and methods for waste treatment |
| 03/31/1994 | DE4325907C1 Pelletising appts. for dewatered pastes, esp. sludge - comprises holding tank with two movable wall slides, outlet covered by die plate with upper part and lower oscillating part, both with rows of holes. |
| 03/31/1994 | CA2145310A1 Compositions and methods for waste treatment |
| 03/30/1994 | EP0589367A1 Method and plant for disposing refuse as well as an extruded or molded part thereof |
| 03/29/1994 | US5298174 Corrosion resistance |
| 03/29/1994 | US5297496 Process for the combined treatment of waste materials |
| 03/29/1994 | CA2106824A1 Sludge treating process and apparatus |
| 03/29/1994 | CA2106417A1 Method for the immobilisation of waste material contaminated with organic chemical compounds |
| 03/24/1994 | DE4331932A1 Bio-gas prodn. from manure - has sludge gassing station to give gas for gas turbine for electricity generation and used sludge is dried for disposal |
| 03/24/1994 | DE4231880A1 Vehicle washing station waste water cleaning assembly |
| 03/24/1994 | DE4231292A1 Solidification of inorganic waste prods. from metal surface treatment - by treating aq. soln. of waste in reaction vessel with vacuum and introducing calcium oxide |
| 03/24/1994 | DE4231048A1 Treatment of suspensions, esp. sewage sludge - by continuous addn. of organic additive, esp. sawdust. |
| 03/23/1994 | EP0588138A1 Method and apparatus for heat recovering in the chemical degradation of sludge or wastewater |
| 03/17/1994 | WO1994005903A1 Waste treatment system and method utilizing pressurized fluid |
| 03/17/1994 | WO1994005603A1 Process for removing heavy metals, in particular mercury, from flue gas scrubber effluents |
| 03/17/1994 | DE4229662A1 Verfahren zur Entfernung von Schwermetallen, insbesondere von Quecksilber, aus aus Rauchgaswäschern stammenden Abwässern Process for the removal of heavy metals, especially mercury, from originating from flue gas scrubbers wastewater |
| 03/17/1994 | DE4215473C1 Drying or incinerating clarifier sludge - includes passing effluent gases into a charcoal drying unit to remove harmful components |
| 03/16/1994 | EP0587080A1 Sludge dehydrating press and method for treating sludge |
| 03/16/1994 | EP0587045A2 Method for the utilization of waste plastics |