| Patents for C02F 11 - Treatment of sludge; Devices therefor (21,423) |
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| 09/07/1982 | CA1131013A1 Flash drying sludge derived fuel process |
| 08/31/1982 | US4347144 Process for the purification of effluent |
| 08/31/1982 | CA1130935A1 Process for treating waster water |
| 08/25/1982 | EP0058247A1 Process and apparatus for the anaerobic purification of liquids containing organic substances |
| 08/18/1982 | EP0057732A1 Method and apparatus for the separation of liquids from heterogeneous liquid-solid material mixtures, e.g. methods for the dehydration or thickening of communal or industrial sludges |
| 08/17/1982 | CA1129709A1 Bioconversion of agricultural wastes into proteinaceous animal feed |
| 08/10/1982 | CA1129369A1 Process and apparatus for recovering clean water and solids from aqueous solids |
| 08/03/1982 | US4342732 Mixing calcium sulfate and sulfite with calcium bisulfite, precipitation and crystallization |
| 08/03/1982 | US4342650 Organic sludge-energy recycling method |
| 07/27/1982 | US4341639 Wastewater treatment |
| 07/27/1982 | US4341628 Belt pressure filter |
| 07/27/1982 | CA1128460A1 Heavy metal removal from wastewater sludge |
| 07/27/1982 | CA1128397A1 Air drying apparatus and method |
| 07/21/1982 | EP0056090A1 Method of dewatering sludges containing mineral oils with recovery of the oil fraction |
| 07/20/1982 | US4340488 Process and equipment for ultrasonic conditioning of sewage sludges |
| 07/20/1982 | US4340478 Filter media and filter apparatus |
| 07/20/1982 | US4340396 Process for disposal of ammonium jarosite |
| 07/13/1982 | US4339546 Production of methanol from organic waste material by use of plasma jet |
| 07/13/1982 | US4339265 Sewage treatment method and apparatus |
| 07/13/1982 | CA1127672A1 Treatment of hazardous waste |
| 07/13/1982 | CA1127376A1 Treatment of hazardous waste |
| 07/08/1982 | WO1982002193A1 Wet oxidation process utilizing dilution of oxygen |
| 07/08/1982 | WO1982002192A1 Organic sludge dewatering process |
| 07/07/1982 | EP0055454A1 A continuous process for wet oxidation of aqueous waste liquors |
| 07/06/1982 | US4338199 Processing methods for the oxidation of organics in supercritical water |
| 07/06/1982 | US4338134 Process for binding waste liquor or sludge |
| 07/06/1982 | CA1127327A1 Device for aerating sewage or sewage-sludges |
| 06/29/1982 | US4337209 Process for the manufacture of soap |
| 06/29/1982 | CA1126504A1 Process for thermal treatment, especially drying |
| 06/23/1982 | EP0054046A1 Method and equipment for the energy-saving drying especially of heat-sensitive as well as of toxic and/or smelly gas producing materials. |
| 06/22/1982 | US4336141 Wastewater treatment |
| 06/22/1982 | US4336101 Mixing aqueous solids with a light fluidizing oil, subjecting mixture to dehydration |
| 06/16/1982 | EP0053777A1 Method and apparatus for heating organic waste by biological treatment |
| 06/15/1982 | CA1125933A1 Device for the regulation of a water-removing machine |
| 06/15/1982 | CA1125684A1 Method for the production of methane and a plant for carrying out the method |
| 06/09/1982 | EP0053251A1 Method of dewatering sewage sludge in filter presses |
| 06/09/1982 | EP0053250A1 Method of dewatering sewage sludge in filter presses |
| 06/08/1982 | US4334026 Hybrid bio-thermal liquefaction |
| 06/01/1982 | US4332584 Recovery of potential energy and chromium values from leather tannery wastes |
| 06/01/1982 | CA1124895A1 Treatment of tailings pond sludge |
| 05/25/1982 | US4331088 Thermal decomposition using a coal reactor as a heat source |
| 05/25/1982 | CA1124414A2 Method and apparatus for sludge treatment |
| 05/25/1982 | CA1124183A1 Coal filtering for purifying waste water under continuous regeneration of coal and recovery of heat |
| 05/19/1982 | EP0051888A1 Process for the purification of waste water and/or waste water sludge |
| 05/19/1982 | EP0051817A1 Method for the purification of waste water |
| 05/18/1982 | US4330450 For use in paper making, sewage treatment, drilling muds, enhanced oil recovery |
| 05/18/1982 | US4330411 Process for treating clarified sludge |
| 05/13/1982 | WO1982001483A1 Process for separating and recovering organic and inorganic matter from waste material |
| 04/29/1982 | WO1982001331A1 Process for non-polluting waste disposal |
| 04/28/1982 | EP0050371A1 Method for the harmless dumping of waste |
| 04/28/1982 | EP0050153A1 System for converting waste materials into useful products |
| 04/27/1982 | CA1122537A1 Process for thickening sludge |
| 04/21/1982 | EP0049950A1 Waste water treatment by chelation-gelation |
| 04/13/1982 | CA1121658A1 Waste treatment facility |
| 04/13/1982 | CA1121555A1 Destabilization of sludge with hydrolyzed starch flocculants |
| 04/07/1982 | EP0048723A1 Treatment of activated or humus sludge. |
| 03/31/1982 | EP0048683A1 Method and apparatus for the purification of pollutant residues |
| 03/29/1982 | EP0041565A4 Improved anaerobic and aerobic digestion of waste and biomass by use of lactobacillus culture additives. |
| 03/23/1982 | US4321151 Process for wastewater treatment and wastewater sludge conversion into energy |
| 03/23/1982 | US4321150 Process for wastewater treatment and wastewater sludge conversion into energy |
| 03/23/1982 | CA1120617A1 Helical composter |
| 03/16/1982 | US4320208 Process for the production of polyurethane plastics in which polyisocyanates are reacted with reactive organic fillers comprising biomasses |
| 03/16/1982 | CA1119782A1 Wet oxidation of waste liquor |
| 03/02/1982 | US4317684 Process of converting polluting particles, emitted in chemical or physical processes, into harmless substances |
| 02/24/1982 | EP0046155A1 Process and apparatus for slime and sludge dewatering |
| 02/10/1982 | EP0045614A1 Biodegradation of carbonaceous materials |
| 02/09/1982 | US4314904 Anaerobic digestion of waste and biomass by use of lactobacillus culture additives |
| 02/09/1982 | CA1118123A1 Method and arrangement for treatment of sludge water |
| 02/09/1982 | CA1118121A1 Apparatus for the anaerobic digestion of natural organic waste |
| 02/02/1982 | US4314077 Method for the production of urea and purification of water |
| 02/02/1982 | CA1117668A1 Method and apparatus for processing waste |
| 01/26/1982 | US4312761 Treatment of clay slimes |
| 01/26/1982 | CA1117042A1 High nitrogen and phosphorous content biomass produced by treatment of a bod containing material |
| 01/19/1982 | US4311670 Fluidized bed reactor system |
| 01/19/1982 | US4311593 Anaerobic digestion, production of methane |
| 01/19/1982 | US4311103 Incineration system for sewage sludge |
| 01/19/1982 | CA1116759A1 Process for deoderizing sludges, particularly clarification sludges |
| 01/19/1982 | CA1116472A1 Process for the efficient conversion of water-containing organic materials as fuels into energy |
| 01/13/1982 | EP0043471A1 Process for the fixation in the residue of acid-forming substances developed from organic material containing wastes during pyrolysis |
| 01/13/1982 | EP0043470A1 Process for sanitizing carbonatation sludge |
| 01/05/1982 | CA1115496A1 Method and apparatus for effecting subsurface, controlled, accelerated chemical reactions |
| 12/29/1981 | CA1115434A1 Wastewater purification |
| 12/29/1981 | CA1115432A1 Aerobic/anaerobic sludge digestion process |
| 12/29/1981 | CA1115009A1 Catch basin processing apparatus |
| 12/24/1981 | WO1981003695A1 Method and equipment for the energy-saving drying especially of heat-sensitive as well as of toxic and/or smelly gas producing materials |
| 12/22/1981 | US4306978 Method for lime stabilization of wastewater treatment plant sludges |
| 12/22/1981 | US4306910 By addition of gypsum, portland cement, slag and a ferrous salt deodorizer |
| 12/22/1981 | US4306358 Air drying apparatus |
| 12/22/1981 | CA1114959A1 Combination of a biological dry toilet and a biological waste water purifying plant |
| 12/16/1981 | EP0041592A1 Apparatus for removing suspended solids from an effluent |
| 12/16/1981 | EP0041565A1 Improved anaerobic and aerobic digestion of waste and biomass by use of lactobacillus culture additives |
| 12/10/1981 | WO1981003484A1 Dewatering fine coal slurries using organopolysiloxanes |
| 12/10/1981 | WO1981003483A1 Dewatering fine coal slurries using two types of organopolysiloxanes |
| 12/08/1981 | US4304674 Method of disposing of a washing water sludge from filtering systems |
| 12/08/1981 | US4304049 Process for thermal treatment, especially drying |
| 12/08/1981 | CA1113807A1 Method and apparatus for controlling operation of wet combustion system |
| 12/02/1981 | EP0040986A1 A method and apparatus for the treatment of sewage sludge |
| 12/02/1981 | EP0040906A2 Dewatering fine coal slurries using organopolysiloxanes |
| 12/02/1981 | EP0040903A2 Dewatering fine coal slurries using two types of organopolysiloxanes |
| 12/02/1981 | EP0040887A1 Method and apparatus for treatment and hygienisation of sewage sludge and other organic sludges |