| Patents for C02F 11 - Treatment of sludge; Devices therefor (21,423) |
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| 07/01/1992 | EP0492121A1 Process of treating sludge from paper production effluents and use of this sludge |
| 07/01/1992 | EP0349629B1 Side-chains containing vinylic mono-and copolymers |
| 06/30/1992 | US5126020 High temperature incineration or ionization |
| 06/25/1992 | WO1992010439A1 Process for producing concrete and mortars |
| 06/25/1992 | DE4111973C1 Sludge dewatering press - includes sludges receiving chamber contg. pressure piston, enabling braking up of caked sludge and draining of filtrate |
| 06/25/1992 | DE4040583A1 Clarification of sludge for constructing road noise barriers - by incorporating among plastic profiles pref. contg. barrier layer and drain |
| 06/24/1992 | EP0491620A1 Process for the destruction of toxic organic effluents by aqueous phase incineration and installation therefor |
| 06/24/1992 | EP0491247A1 Process for explosion-proof drying of sewage sludge |
| 06/24/1992 | CN1017140B Compound accelerator for anaerobic digestion and its productive process |
| 06/23/1992 | US5124035 Apparatus for treatment of effluent |
| 06/19/1992 | CA2032610A1 Biodegradation of oily waste |
| 06/17/1992 | EP0490859A1 Process for obtaining a solid product from liquid manure |
| 06/17/1992 | EP0489770A1 Apparatus and method for removal of liquids |
| 06/16/1992 | US5122263 Continuously and automatically functioning device for the drainage of sludge, especially of sewage sludge |
| 06/11/1992 | DE4038706A1 Treatment of aq. sludges or coagulates, esp. from spray painting - by pressing dewatered sludge between moving belts to remove residual water which is recycled to painting equipment |
| 06/10/1992 | CN1061766A Fully automatic hydrodynamic operator by anaerobic energy |
| 06/08/1992 | CA2031772A1 Process for the regulation of an activated sludge clarification plant |
| 06/03/1992 | EP0488989A1 Process for producing cement clinker |
| 06/03/1992 | EP0487600A1 Process and plant for producing heat treated growth substrate and manure. |
| 06/03/1992 | EP0487574A1 Process and device for processing materials from which methane and other chemicals, being harmful to the environment, may escape |
| 06/03/1992 | EP0385972B1 Method for improving the utilization of polyelectrolytes in dewatering aqueous suspensions |
| 06/02/1992 | US5118427 Process and apparatus for the separation of solids from slimy liquids by means of press screw separators |
| 06/02/1992 | US5118219 Method of capping tailings ponds |
| 05/31/1992 | CA2055965A1 Method of producing cement clinker |
| 05/29/1992 | WO1992008673A1 Dewatering sludge |
| 05/26/1992 | US5116760 Apparatus for manufacture of organic fertilizers |
| 05/26/1992 | CA1301964C Method for treatment of waste water |
| 05/26/1992 | CA1301693C Treating sludges and soil materials contaminated with hydrocarbons |
| 05/20/1992 | EP0486199A1 Wastewater treatment |
| 05/20/1992 | EP0486140A1 Anaerobic digester |
| 05/20/1992 | EP0485721A1 Process and installation for partial drying of sewage sludge |
| 05/19/1992 | US5114564 Oxidation of sludge and organic compounds |
| 05/19/1992 | US5114560 Dewatering filter cake |
| 05/19/1992 | US5114275 Process and waste pit liner for improved hydrophobic waste storage |
| 05/14/1992 | WO1992008770A1 Process for recovery of oil from waste oil sludges |
| 05/14/1992 | WO1992007799A1 Method to detoxify sewage sludge |
| 05/14/1992 | DE4111706A1 Purificn. of industrial effluent waters, etc. - by passing water through treatment stages in plant after clear micro filtration of aq. suspension |
| 05/14/1992 | DE4036037A1 Burning clarifier sludge in fluidised bed furnace - with additive to encapsulate heavy metal content |
| 05/14/1992 | CA2096247A1 Process for recovery of oil from waste oil sludges |
| 05/13/1992 | EP0485096A1 Method of making capsules of dehydrated sludge and apparatus therefor |
| 05/13/1992 | EP0485054A1 Method for starting up and controlling the operating temperature of a wet oxidation process |
| 05/13/1992 | CN2104217U Automatic dirt septic engineering device |
| 05/13/1992 | CN1061012A Method to detoxigy sewage sludge |
| 05/09/1992 | CA2054999A1 Reduction of clay in sludges to be dewatered |
| 05/09/1992 | CA2048220A1 Method for starting up and controlling operating temperature of a wet oxidation process |
| 05/07/1992 | DE4109759C1 Sewage sludge decontamination treatment - involves drying in centrifuge and heating in flue gases |
| 05/06/1992 | EP0484268A1 Method to detoxify sewage sludge |
| 05/05/1992 | US5109918 Device for the thermal treatment or organic and inorganic substances |
| 05/01/1992 | CA2042481A1 Methods for dewatering coal and mineral concentrates |
| 05/01/1992 | CA2041039A1 Method to detoxify sewage sludge |
| 04/30/1992 | WO1992007049A1 A method of treating and using waste products |
| 04/27/1992 | WO1992008001A1 Process for recovering raw materials from paper-industry mechanical waste sludges |
| 04/27/1992 | CA2094809A1 Process for recovering raw materials from paper-industry mechanical waste sludges |
| 04/23/1992 | DE4131732A1 Unit for feeding solid suspension to dewatering device - has storage vessels emptied using compressed air or water which contain deformable membrane |
| 04/23/1992 | DE4122113A1 Removing mercury from sewage sludge - by drying in two stages and use of dried sludge as fuel, esp. with fossil fuel in rotating cement furnace |
| 04/22/1992 | EP0481746A1 Recovery of surfactant from papermaking process |
| 04/22/1992 | EP0481541A1 Process for treating refinery slurries |
| 04/22/1992 | EP0481397A1 Process for the removal of water from suspensions or similar muddy mixtures |
| 04/21/1992 | US5106513 Process for oxidation of materials in water at supercritical temperatures and subcritical pressures |
| 04/21/1992 | US5106510 Combined filtration and fixation of heavy metals |
| 04/16/1992 | WO1992006050A1 Method and material for treating solid and semi-solid waste materials containing reactive sulfides |
| 04/15/1992 | EP0480474A1 Method for removing polyclorinated dibenzodioxins and polychlorinated dibenzofurans from paper mill sludge |
| 04/15/1992 | CN2101671U Continuous circulating type methane generator |
| 04/15/1992 | CN1060279A Waste water treatment and utilization technology for pig farm |
| 04/15/1992 | CN1016244B Anaerobic digestion system |
| 04/14/1992 | US5104552 Reduction of clay in sludges to be dewatered |
| 04/14/1992 | US5103578 Method and apparatus for removing volatile organic compounds from soils |
| 04/14/1992 | CA1298831C Cationic and anionic lignin, amines |
| 04/13/1992 | CA2046118A1 Method for removing polychlorinated dibenzodioxins and polychlorinated dibenzofurans from paper mill sludge |
| 04/07/1992 | US5102556 Method for rendering ferric hydroxide sludges recyclable |
| 04/07/1992 | US5102538 Apparatus for the treatment of filter sludge consisting predominantly of diatomite and method of operating same |
| 04/06/1992 | CA2052655A1 Process for treating refinery slurries |
| 04/06/1992 | CA2052190A1 Anaerobic digester |
| 04/02/1992 | WO1992005119A1 Adiabatic process for the extraction of aqueous wastes |
| 04/02/1992 | DE4111674C1 Disposal of industrial waste - involves filling brick cassettes with waste and material forming slag |
| 04/02/1992 | DE4030668A1 Appts. for redn. of vol. of biological sludge - has cell structure of sludge is broken down by mechanicaldisintegrator and resulting material is subjected to further biological treatment |
| 04/01/1992 | EP0478528A1 Method and apparatus for beneficiating wastewaters |
| 04/01/1992 | CN2100391U Sludge de-watering device |
| 04/01/1992 | CN1059888A Process for dewatering mud after treatment of printing-dyeing sewage |
| 03/31/1992 | US5100561 Cationic polymers for sludge dewatering |
| 03/31/1992 | US5100560 Apparatus and method for supercritical water oxidation |
| 03/31/1992 | US5100553 Method for treating organic waste by methane fermentation |
| 03/31/1992 | CA1298064C Process for the thermal decomposition of toxic refractory organic substances |
| 03/28/1992 | CA2042630A1 Method and apparatus for beneficiating waste-waters |
| 03/26/1992 | DE4035164C1 Waste residues incineration system - heats carbonisation plant using flue gases from high calorific valve waste |
| 03/26/1992 | DE4029824A1 Device for mixing liq. with liq. flowing in pipe - has distribution head with outlet openings projecting into pipe, rotated by vanes attached to surface or by motor |
| 03/25/1992 | EP0476668A1 Method and device for conditioning and subsequent dewatering of sludges |
| 03/25/1992 | EP0476329A1 Distillation chamber for extracting solvent from sludge, in particular for dry-cleaning machines |
| 03/18/1992 | EP0474895A1 Process for anaerobic treatment of waste water |
| 03/18/1992 | EP0474890A1 Process and apparatus for sewage sludge treatment |
| 03/17/1992 | US5096579 Anaerobic digester |
| 03/17/1992 | CA1297502C Process for chemical stabilization of heavy metal bearing dusts and sludges, such as eaf dust |
| 03/11/1992 | EP0473943A1 Process and installation for the treatment of sludge for disposal |
| 03/11/1992 | CN1059331A Method for deodorising dung and urine of breeding animals |
| 03/11/1992 | CN1059322A Alkaliferous industrial waste water and waste slag treatment method |
| 03/05/1992 | WO1992003385A1 Process for treatment of waste waters or equivalent impure waters as well as a flocculating adjuvant used in the process |
| 03/05/1992 | DE4026373A1 Extn. of heavy metals and toxic organic substances - using a mixt. of low aliphatic mono:carboxylic acid and butyl acetate |
| 03/05/1992 | CA2050534A1 Apparatus for treatment of affluent |
| 03/03/1992 | US5092974 Electrode and method for compressive and electro-osmotic dehydration |
| 02/27/1992 | DE4026357A1 Mobile process and appts. for removing metals from solids - or aq. suspensions or liq(s) comprising units connected together |