| Patents for C02F 11 - Treatment of sludge; Devices therefor (21,423) |
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| 03/18/1997 | US5611935 Method and device for treating sludge |
| 03/18/1997 | CA2017588C Method and an improved apparatus for separating solid particles from a liquid |
| 03/13/1997 | WO1997009277A1 Method of reprocessing biogenic waste sediment, products of that reprocessing and a method and device for carrying out the proposed method |
| 03/13/1997 | DE19533370A1 Process and assembly mineralise entire sludge load in eutrophic surface waters |
| 03/13/1997 | DE19532979A1 Fluidised bed system for heat exchange, used e.g. to heat, dry, or cool granular materials |
| 03/12/1997 | EP0760718A1 Method and apparatus for the decontamination of products containing heavy metal |
| 03/12/1997 | EP0569372B1 Waste handling method |
| 03/12/1997 | CN1144782A Oxydation removing hydrogen sulfide technology in methane-generating pit |
| 03/11/1997 | US5609836 DCR transportable treatment unit |
| 03/11/1997 | US5609558 Waste-treating material |
| 03/06/1997 | DE19630370A1 Recovering metals from biodegradable organic material e.g. oil-contaminated grinding wastes |
| 03/06/1997 | DE19532359A1 Biogas prodn. from high solids biomass |
| 03/05/1997 | EP0759892A1 Method and device for anaerobic breakdown of organic waste |
| 03/05/1997 | CN1144198A Life waste water recovery purifying water supply method and process for converting sewage, refuse into fertilizer |
| 03/04/1997 | US5607505 Waste treatment process |
| 02/27/1997 | WO1997007065A1 Dewatering of sludges |
| 02/27/1997 | DE19529021C1 Neue sulfatreduzierende Bakterienstämme und deren Verwendung zur Dekontamination von schwefelsauren, metallbeladenen und radioaktiv verseuchten Wässern New sulfate-reducing bacteria strains and their use for the decontamination of sulfuric acid, metal-laden and radioactively contaminated waters |
| 02/27/1997 | CA2229642A1 Dewatering of sludges |
| 02/26/1997 | CN1143940A Waste treatment plant and process |
| 02/25/1997 | US5605104 Conveying while hot to a furnace lined with fireproof material |
| 02/20/1997 | WO1997006111A1 Dewatering of aqueous suspensions |
| 02/20/1997 | WO1997006110A1 Method and device for digestion of sludge |
| 02/20/1997 | CA2223855A1 Dewatering of aqueous suspensions |
| 02/19/1997 | EP0758304A1 Process for treating a medium containing organic constituents |
| 02/13/1997 | WO1997005237A1 Sulphate-reducing bacterial strains and their use in the decontamination of water contaminated with sulphuric acid, metals and radioactive substances |
| 02/13/1997 | WO1997005073A1 Wet oxidation of high strength liquors with high solids content |
| 02/13/1997 | WO1997005071A1 Process for the biological decontamination of contaminated material |
| 02/13/1997 | WO1997005069A1 Method for hydrothermal oxidation |
| 02/13/1997 | CA2228063A1 New sulfate-reducing bacteria strains and their use for decontaminating sulfuric-acid, metal-containing, radioactively contaminated water |
| 02/13/1997 | CA2224489A1 Method for hydrothermal oxidation |
| 02/12/1997 | CN1142810A Vaporizing and concentration drying apparatus and method |
| 02/11/1997 | US5602065 Calcining raw materials and microorganisms; oxidation resistance |
| 02/11/1997 | US5601725 Using a copolymer of diallyldimethyl ammonium chloride and quaternized dimethylaminoethyl (meth)acrylate and a flocculant |
| 02/11/1997 | US5601720 Process control; measurement of ph |
| 02/06/1997 | WO1997004047A1 Processing of resilient materials |
| 02/06/1997 | WO1997003928A1 Process for treating a surplus activated sludge |
| 02/06/1997 | CA2227429A1 Processing of resilient materials |
| 02/06/1997 | CA2224683A1 Process for treating a surplus activated sludge |
| 02/05/1997 | EP0756581A1 Dewatering of wet particulate material |
| 02/04/1997 | US5599272 Method for the manufacture of a solid by the mixing of hydrates of alkaline earth oxides and hydrates of heavy metal oxides |
| 01/29/1997 | EP0756146A2 Extruder for sludge |
| 01/29/1997 | EP0755730A1 Method for decontaminating soils and waste containing iron oxides and heavy metals |
| 01/29/1997 | EP0755361A1 Method and apparatus for treating waste water streams |
| 01/29/1997 | EP0664771B1 Process for treating industrial waste waters with low concentrations of toxic organic pollutants |
| 01/28/1997 | US5597479 Electro-coalescence/magnetic separation (ECMS) system and components for removal of contaminants from water streams, including desalinization |
| 01/22/1997 | EP0754941A1 Apparatus for determining properties of slurry materials and sludge treating process |
| 01/16/1997 | WO1997001513A1 Method of treating waste sludge |
| 01/16/1997 | DE19621426A1 Verfahren zur Behandlung eines Abfallschlammes aus biologischen Feststoffen A method for treating a waste sludge from biosolids |
| 01/16/1997 | CA2223009A1 Method of treating waste sludge |
| 01/14/1997 | US5593591 Polyacrylamide flocculant |
| 01/14/1997 | US5593590 Biodegradation |
| 01/08/1997 | EP0751914A1 Method and facility for treating effluents loaded with organic material, particularly by wet oxidation and with internal solid residue recycling, and purification facility therefor |
| 01/08/1997 | EP0526462B1 Method for the base-catalyzed decomposition of halogenated and non-halogenated organic compounds in a contaminated medium |
| 01/08/1997 | CN1033747C Agitated shell breaking-up device coupled with methane-generating pit |
| 01/07/1997 | US5591415 Reactor for supercritical water oxidation of waste |
| 01/03/1997 | WO1997000229A1 Process and device for continuously drying protein-containing sludge |
| 01/03/1997 | WO1997000171A1 Vacuum drying diaphragm filter press plates |
| 01/03/1997 | CA2225084A1 Vacuum drying diaphragm filter press plates |
| 01/02/1997 | EP0750590A1 Waste treatment plant and process |
| 01/02/1997 | DE19531101C1 Drying plant control system esp. suitable for treatment of sewage sludge |
| 01/02/1997 | DE19529556C1 Drying plant halves volume of wet sludge by first mechanical treatment in filter press |
| 01/02/1997 | DE19523263A1 Prodn. of biodegradable substances, esp. short-chain organic acids, by fermentation of raw sludge |
| 01/02/1997 | DE19522164A1 Verfahren und Vorrichtung zur kontinuierlichen Trocknung von Protein enthaltendem Schlamm Method and apparatus for continuous drying protein-containing sludge |
| 12/27/1996 | WO1996041682A1 Process and device for the treatment of waste water from the wet dedusting of shredders |
| 12/24/1996 | US5587085 Adding hydrophobic compound capable of displacing water |
| 12/24/1996 | US5586510 Introducing particles of aqueous sludge into cement kiln flue gas outlet to react with nitrogen oxides |
| 12/24/1996 | CA2096571C Dried sludge melting furnace |
| 12/19/1996 | WO1996041070A1 Efficient utilization of chlorine and/or moisture-containing fuels and wastes |
| 12/18/1996 | EP0748295A1 Process for stabilizing metals in ash |
| 12/18/1996 | CN1138316A Liquid decontamination system using electrical discharge with gas injection |
| 12/17/1996 | US5584792 Method of stabilizing industrial wastes and fly ash compositions useful in same |
| 12/12/1996 | DE19622178A1 Verfestigung von Abfall Solidification of waste |
| 12/12/1996 | DE19520651A1 Utilisation of clarifier and waterworks sludge |
| 12/12/1996 | DE19520399A1 Verfahren und Einrichtung zur Aufbereitung von Abwässern aus Naßentstaubungen von Shredderanlagen Method and apparatus for treatment of waste water from Naßentstaubungen of shredders |
| 12/11/1996 | EP0747064A2 Compound for treating animal excrement |
| 12/10/1996 | US5582715 Supercritical oxidation apparatus for treating water with side injection ports |
| 12/10/1996 | CA2178572A1 Compound for treating animal excrement |
| 12/10/1996 | CA2035465C Method for thickening and dewatering slurry sludge |
| 12/05/1996 | WO1996038383A1 Process for purifying aqueous liquids contaminated with inorganic and/or organic pollutants |
| 12/05/1996 | DE19527006A1 Verfahren zur Reinigung von mit anorganischen und/oder organischen Schadstoffen kontaminierten wässrigen Flüssigkeiten A method for purifying contaminated with inorganic and / or organic pollutants aqueous liquids |
| 12/05/1996 | DE19519802A1 Solidification of sludges |
| 12/04/1996 | EP0745415A2 Sludge filtering and thickening installation and method |
| 12/04/1996 | EP0745006A1 Process for the treatment of contaminated land |
| 12/04/1996 | EP0744982A1 Process for the treatment of contaminated material |
| 11/28/1996 | WO1996037897A1 Process and device for separating a medium into a solid matter-containing component and a liquid component |
| 11/28/1996 | WO1996037440A1 Waste water purification system |
| 11/28/1996 | WO1996037263A1 Process for producing products from waste material |
| 11/28/1996 | CA2221741A1 Method and apparatus for separating a medium into a solid-containing and a liquid constituent |
| 11/28/1996 | CA2220906A1 Waste water purification system |
| 11/27/1996 | EP0618882B1 Improved process for separating red mud in production of alumina from bauxite |
| 11/26/1996 | US5578647 Heating hydrocarbons, wastes, lignocellulose, sludges, with acids, bases, salts, oxides, or oxidants |
| 11/26/1996 | US5578219 Improved absorption and flocculation properties, oil well drilling applications, cosmetic and anti-pollution applications |
| 11/21/1996 | WO1996036570A1 Process and apparatus for liquid sludge stabilization |
| 11/20/1996 | EP0742785A1 Aerobic fermentation promoting device of excrements, aerobic fermentation system using it and compost therefrom |
| 11/19/1996 | US5575928 Using methyl thiocyanate and sodium n-methyldithiocarbamate in sludge, then adding electrolytic soils and conditioners and potassium polyacrylate |
| 11/19/1996 | US5575921 Sludge dredging and dewatering process |
| 11/14/1996 | DE19517603A1 Converting wet clarified sludge into useful prods. such as fuel, fertiliser or building material |
| 11/13/1996 | EP0742310A1 Treatment of effluent from a paper treatment process |
| 11/13/1996 | CN2239965Y Filter cloth cleaner for sludge water extracter |
| 11/12/1996 | US5573672 Water managed solvent extraction process for the organic wastes |