| Patents for C02F 11 - Treatment of sludge; Devices therefor (21,423) |
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| 06/07/1995 | EP0656234A1 Process for the biological treatment of solid waste and mud contaminated by hydrocarbons |
| 06/07/1995 | EP0655955A1 Process for encapsulating a waste material |
| 06/07/1995 | EP0584119B1 Apparatus for and method of preparing a hardenable substance for storage |
| 06/06/1995 | US5422015 Pathogenic waste treatment |
| 06/06/1995 | US5421998 Apparatus for reverse-injection wet oxidation |
| 06/01/1995 | WO1995014850A1 Efficient utilization of chlorine and moisture-containing fuels |
| 06/01/1995 | WO1995014640A1 Vaporizing and concentration drying apparatus and method |
| 06/01/1995 | WO1995014544A1 Process for purifying and treating polluted materials |
| 05/31/1995 | EP0655421A1 Process for the preparation of a solid by blending hydrates of earth metal oxides and hydrates of heavy metal oxides |
| 05/31/1995 | CN2199202Y Mid-temp decomposer |
| 05/30/1995 | US5419839 Apparatus and method for treating waste sludge |
| 05/27/1995 | CA2136490A1 Process for making a solid by mixing alkaline-earth metal oxyde hydrates with heavy metal oxyde hydrates |
| 05/24/1995 | EP0654565A2 Raw sewage disposal apparatus |
| 05/24/1995 | EP0654450A2 Method and apparatus for melting solid burning residues |
| 05/24/1995 | EP0460214B1 Flocculating apparatus |
| 05/24/1995 | DE4409649C1 Treatment of wet clarified sewage sludge used in agriculture |
| 05/23/1995 | US5417937 Apparatus for wet oxidation |
| 05/23/1995 | US5417861 Process to stabilize bioorganic, raw or treated wastewater sludge |
| 05/20/1995 | CA2136043A1 Raw sewage disposal apparatus |
| 05/17/1995 | EP0652853A1 Treatment of sludge |
| 05/16/1995 | US5416248 Soil pollution control by exothermic reaction of water and alkali or alkaline earth metal oxide or sulfate then agitation |
| 05/11/1995 | DE4338145A1 Apparatus for dewatering sludge layers on belt filter units |
| 05/09/1995 | US5413616 Method of immobilizing contaminants in the soil or in materials similar to the soil |
| 05/09/1995 | US5413432 Multipurpose processing system and method for the beneficial use and management of sludge |
| 05/04/1995 | DE4404767C1 Device for treating aqueous sludge |
| 05/02/1995 | US5411669 Conveying and fluid flow |
| 04/27/1995 | WO1995011335A1 A method for burning secondary sludge in a recovery boiler |
| 04/27/1995 | DE4335957A1 Process and apparatus for dewatering sewage sludges, in particular industrial or comparable sludges |
| 04/27/1995 | DE4335746A1 Process and apparatus for disposing of sewage sludge |
| 04/26/1995 | EP0649826A1 Process and device for sludge disposal |
| 04/26/1995 | EP0649820A1 Sludge dehydrating agent |
| 04/26/1995 | EP0649390A1 Process for purifying sludge containing mainly water |
| 04/25/1995 | US5409617 High speed pre-decomposition the waste materials by heating waste materials with an aqueous solution comprising one or more salts of silica, alkali or alkaline earth metal silicate, borate, phosphate, bi- or triphosphates |
| 04/25/1995 | US5409605 Apparatus and method for treating waste sludge |
| 04/20/1995 | WO1995010486A1 Method and apparatus for treating paper mill effluent |
| 04/20/1995 | DE4335028A1 Process for extracting heavy metals from polluted excavated earth, mineral demolition material and sludges |
| 04/19/1995 | EP0648193A1 Process and system for purifying waste water |
| 04/19/1995 | EP0648147A1 Device for electroosmotically dewatering loaded materials, and related operating methods. |
| 04/19/1995 | EP0595858B1 Supercritical water oxidation process and apparatus of organics with inorganics |
| 04/19/1995 | EP0527222A4 Hazardous waste disposal method and composition |
| 04/19/1995 | EP0374198B1 Process and device for separating harmful substances |
| 04/19/1995 | CN1101628A Slurry acidifying and hydrolyzing three phase biological treatment method at normal at mospheric temperature |
| 04/18/1995 | US5407879 Promoting absorption or adsorption by treating with aqueous polymer solution, then drying to controlled moisture content |
| 04/18/1995 | US5407576 Process for the purification of waste water |
| 04/13/1995 | DE4409487A1 Process and system for the fermentation of biogenic/organic crude waste |
| 04/13/1995 | DE4334698A1 Process and apparatus for treating sludges |
| 04/12/1995 | EP0647460A2 A device and process for washing metal-containing sludges |
| 04/11/1995 | US5405579 Controlled pressurized heating of excavated soil, steaming to desorb impurities, then separation, cooling and scrubbing of condensed steam |
| 04/11/1995 | US5405554 Water in oil emulsion containing cationic polymers |
| 04/11/1995 | US5405536 By heating |
| 04/11/1995 | US5405533 Heat transfer via dense gas in a fluid circulation system |
| 04/06/1995 | DE4333579A1 Process for controlling amounts of chemical auxiliaries and flocculating agents in dependence on an on-line mass/solid measurement for clarification and dewatering processes of all types, and plant for carrying out the process |
| 04/05/1995 | EP0646547A2 Process for treatment of biogenic residual solid matter |
| 04/05/1995 | EP0646051A1 Treatment of waste materials for disposal |
| 04/04/1995 | US5403496 Process for stabilizing metals in ash |
| 04/04/1995 | US5402946 Exploitation of plastic wastes |
| 03/30/1995 | DE4332799A1 Process and apparatus for sludge dewatering |
| 03/30/1995 | CA2131335A1 Method of improving the contaminant resistance of a smectite clay by rewetting and impregnating the clay with a water-soluble polymer, and redrying the polymer-impregnated clay |
| 03/29/1995 | EP0645347A1 Process and apparatus for biological treatment of aqueous organic wastes |
| 03/29/1995 | EP0645181A2 Method of improving the contaminant resistance of a smectite clay |
| 03/29/1995 | EP0591299B1 Process and device for sludge dewatering |
| 03/29/1995 | CN1100703A Method of treatment of sewage sludge and kitchen garbage |
| 03/28/1995 | US5401402 Process and apparatus for treating sewage sludge |
| 03/28/1995 | US5401375 Electro-endosmosis type dehydrator |
| 03/28/1995 | CA1335004C Cassette for use in activated-sludge treatment of sewage or industrial waste water |
| 03/22/1995 | EP0568597B1 A method of and an apparatus for separating liquid manure into a thick slurry phase with high dry matter content and an aqueous phase with desired - high, moderate or low - n-content |
| 03/22/1995 | CN1027984C Method for recoverying & reusing papermaking waste water |
| 03/16/1995 | WO1995007238A1 Sewage treatment apparatus and method |
| 03/16/1995 | CA2166559A1 Sewage treatment apparatus and method |
| 03/15/1995 | EP0643124A1 Process for the valorisation of sewage sludge |
| 03/15/1995 | CN2191859Y 污泥脱水机 Sludge dewatering |
| 03/15/1995 | CN1100069A Improved effective tank for purification of water for cattle drinking in which |
| 03/08/1995 | EP0641293A1 Dewatering of aqueous suspensions |
| 03/08/1995 | CN1099730A Sleeve type concret waste water coacervation treating device |
| 03/08/1995 | CN1027804C Livestock and poultry manure anaerobic fermentation art and equipment thereof |
| 03/07/1995 | US5395517 Process and apparatus for oxidizing industrial spent caustic and effecting gas-liquid mass transfer and separation |
| 03/07/1995 | CA1334658C Method and apparatus for electrolytic treatment of sludge |
| 02/23/1995 | WO1995005346A1 Process for purifying contaminated liquids utilizing ozone |
| 02/23/1995 | DE4404813C1 Process for fluidised-bed drying of sludge and fluidised-bed dryer for carrying out the process |
| 02/22/1995 | EP0639163A1 Turbo oxidation system (tos) for "wet combustion" of cod-containing liquids and for cod-reduction by enzymes. |
| 02/22/1995 | EP0639108A1 Method and apparatus for producing feed mixture. |
| 02/22/1995 | CN2190113Y Reactor with anaerobic sludge bed |
| 02/15/1995 | EP0638524A1 Installation for reducing the degree of moisture of sludge |
| 02/15/1995 | EP0638521A1 Device for draining of sludge |
| 02/15/1995 | EP0638356A1 Device for pelletizing dewatered material, specially sewage sludge |
| 02/15/1995 | CN1098703A Phosphorus elimination method for city sewage |
| 02/14/1995 | US5389114 Method of treating and using waste products |
| 02/09/1995 | DE4427236A1 Apparatus for dehydration and drying of solids-liquid mixtures (slurries; sludges) |
| 02/07/1995 | US5387740 Immobilization agent for industrial waste |
| 02/07/1995 | US5387739 Treatment of municipal waste ash |
| 02/07/1995 | US5387738 Reagent for treating a contaminated waste material and method for same |
| 02/07/1995 | US5387398 Wall lining formed of laminated platelets individually etched |
| 02/07/1995 | US5387343 Method for improving bottom and water quality in water areas and a set of agents used in the method |
| 02/02/1995 | DE4325641A1 Process for treating and disposing of sewage sludges of a region |
| 01/31/1995 | US5385673 Dewatering; acidification; alkaline conditioning; heat from exothermic reactions and heat of hydration destroys pathogens |
| 01/31/1995 | US5385429 Synthetic cover for waste |
| 01/26/1995 | WO1995002556A1 Environmentally acceptable waste disposal by hydrothermal decomposition of labile compounds |
| 01/26/1995 | DE4337469C1 Unit for treating wastewater and sludge in a reactor |
| 01/26/1995 | DE4324208A1 Method of composting sewage sludge |
| 01/26/1995 | DE4321383C1 Method for the draining operation of a press apparatus for sludge dewatering |