| Patents for C02F 11 - Treatment of sludge; Devices therefor (21,423) |
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| 07/28/1987 | CA1224891A1 Wet oxidation system |
| 07/21/1987 | US4681659 Further dehydration of material |
| 07/15/1987 | EP0228755A1 Method and apparatus for disposal of a broad spectrum of waste featuring oxidation of waste |
| 07/15/1987 | EP0228637A2 Acrylamide and dimethylaminopropylacrylamide copolymers as flocculants and process for dewatering sewage sludge by means of these flocculants |
| 07/14/1987 | US4680126 Separation and recovery of reusable heavy metal hydroxides from metal finishing wastewaters |
| 07/14/1987 | US4680111 Sewage treatment equipment with activated sludge process beds |
| 07/14/1987 | CA1224079A1 Multi-nip high pressure press |
| 07/09/1987 | DE3544300A1 Process and device for processing sludge |
| 07/02/1987 | DE3546274A1 Process for rendering sewage sludge hygienic by adding powdered hydrated lime, and a device for carrying out the process |
| 07/01/1987 | EP0226787A2 Process for treating sludges containing heavy metals |
| 06/30/1987 | US4676912 Waste liquor disposal methods |
| 06/25/1987 | DE3545190A1 Process for producing utilisable products downstream of a flue-gas desulphurisation |
| 06/24/1987 | EP0226295A2 Method for prevention of metallic precipitate reoxidation/redissolution in aqueous systems |
| 06/23/1987 | US4675116 Dewatering solids suspensions with controlled flocculant addition |
| 06/23/1987 | US4675114 Process for dewatering municipal and other sewage sludges |
| 06/18/1987 | WO1987003575A1 Method and plant for the recovery of energy from waste and residues |
| 06/17/1987 | CN86107600A Process for preparation of thermoplastic mass |
| 06/16/1987 | US4673510 Process for the disposal of settled sludge derived from a biological sewage-disposal plant |
| 06/16/1987 | EP0225351A1 Apparatus for drying sewage sludge. |
| 06/16/1987 | EP0185736A4 Apparatus for dewatering clay filter cake. |
| 06/10/1987 | EP0224905A2 Process for treating waste water by wet oxidations |
| 06/09/1987 | US4671874 Electrokinetics; sludges, landfill operations |
| 06/09/1987 | US4671351 Fluid treatment apparatus and heat exchanger |
| 06/09/1987 | CA1222839A1 Process and apparatus for the continuous anaerobic decomposition of organic compounds |
| 06/04/1987 | DE3542004A1 Drying and combustion of sludges in the firing of mineral materials |
| 06/03/1987 | EP0224353A1 Method and apparatus for treating sludge streams |
| 06/02/1987 | USH283 Chemical technique for sequestering ammonia off-gassing from solidified waste |
| 06/02/1987 | US4670162 High thermal flux density wet oxidation steam generator |
| 06/02/1987 | US4670159 Process for obtaining purified water from wet sludges and slurries of solid materials |
| 06/02/1987 | US4670148 Apparatus and method for withdrawing gaseous decomposition products from a refuse dump |
| 05/27/1987 | EP0222895A1 Method and apparatus for conducting chemical reactions at supercritical conditions |
| 05/26/1987 | US4668391 Installation for dehydrating protein-containing sludge |
| 05/26/1987 | US4668388 Dewatering, aerobic degradation of biosludge, closed system |
| 05/21/1987 | DE3540746A1 Process for dewatering sludge in a centrifuge |
| 05/20/1987 | EP0222127A2 Preparation of thermoplastic blends |
| 05/19/1987 | US4666983 Crosslinked carboxy resin |
| 05/19/1987 | US4666605 Adding acid to remove inhibitors |
| 05/12/1987 | US4664813 Pollution control |
| 05/12/1987 | US4664804 Absorption by anaerobic sludge |
| 05/07/1987 | DE3538756A1 Process and plant for heating sewage sludge |
| 05/06/1987 | EP0220647A1 Sludge restructuring and conversion method |
| 05/05/1987 | US4663043 Method of treating peroxide-containing wastewater |
| 05/05/1987 | CA1221478A1 Apparatus for the production of methane |
| 04/28/1987 | US4661243 Dewatering in centrifugal separator |
| 04/23/1987 | WO1987002377A1 Fuel consisting of a mixture of cellulosic fibres and fat- and/or oilcontaining sludges or waste materials |
| 04/23/1987 | WO1987002349A1 Heater for input sludge to a biogas reactor |
| 04/23/1987 | WO1987002269A1 Process for simultaneous extraction of so2 and nox contained in waste gases |
| 04/21/1987 | US4659471 Method of controlling an anaerobic treatment process |
| 04/21/1987 | CA1220790A1 Solidification process for liquid wastes highly acid or alkaline |
| 04/16/1987 | DE3631010A1 Moulded brick arrangement for a floor covering for composting and for purification of waste water or exhaust gas |
| 04/15/1987 | EP0218331A2 Anaerobic treatment of high strength liquors |
| 04/14/1987 | CA1220398A1 Method for solidifying waste slime suspensions |
| 04/09/1987 | DE3535435A1 Process for the secondary treatment of dried sludge |
| 04/08/1987 | EP0217739A2 Process and apparatus for conditioning and disinfecting sewage sludge |
| 04/08/1987 | EP0217433A1 Process for agglomerating mineraliferous sludges |
| 04/07/1987 | USH258 Dewatering process and apparatus for slurry recovered from waste water |
| 04/07/1987 | US4655932 Method and apparatus for the disintegration and destruction of hazardous and toxic sludge materials |
| 04/02/1987 | DE3633470A1 Process and apparatus for producing a sludge structure of high surface area |
| 04/01/1987 | EP0216011A2 A method of and apparatus for drying slurry |
| 03/31/1987 | US4654149 Process for treating ammonium nitrate-containing waste water |
| 03/31/1987 | US4654144 Process for the destruction of noxious gases with ozone |
| 03/24/1987 | US4652686 Process for producing hydrocarbons from biological sludge |
| 03/24/1987 | US4652374 Hydrolysis-acidification phase; methane fermentation phase |
| 03/18/1987 | CN85106508A Anaerobic purifying apparatus for wasted water |
| 03/18/1987 | CN85106421A Improvement of anaerobic ferment devices and methods |
| 03/17/1987 | CA1219385A1 Submerged oxygen inlet nozzle for injection of oxygen into wet oxidation reactor |
| 03/12/1987 | WO1987001312A1 In situ hazardous waste treating apparatus and method of using same |
| 03/11/1987 | EP0213402A2 Process for the purification and disposal of waste water containing soot and ashes |
| 03/10/1987 | US4648332 Method of cleaning contaminated soil |
| 03/05/1987 | DE3531748A1 Sewage sludge utilisation plant |
| 03/03/1987 | US4647383 Apparatus and method for processing sewage scum |
| 02/26/1987 | WO1987001124A1 Process for recovering gas byproducts from refuse |
| 02/26/1987 | DE3529755A1 Dewatering process for sludge |
| 02/05/1987 | DE3540818A1 Process and apparatus for dewatering sludge |
| 02/05/1987 | DE3540805A1 Process for dewatering sludge |
| 02/04/1987 | EP0210196A1 Method and device for drying and conditioning poultry manure or similar pasty materials. |
| 02/04/1987 | CN86104726A Waste treatment method and device |
| 01/28/1987 | CN85105994A Process for production of iron red product from iron-containing waste liquid |
| 01/27/1987 | US4639258 Filtration of cuttings from drilling muds |
| 01/24/1987 | CN86101176A Method of mud treating |
| 01/14/1987 | EP0208198A2 Method of biopolymeric sludge dewatering |
| 01/13/1987 | US4636318 Chemical reformer |
| 01/06/1987 | US4634536 Solid particles form liquids in slurries |
| 01/02/1987 | DE3522212A1 Process for dewatering sludge |
| 12/30/1986 | US4632765 Procedure for the consolidation of sludge |
| 12/30/1986 | US4632764 Sludge dewatering process using multiple layer plate |
| 12/30/1986 | US4632759 Iron, aluminum, calcium or magnesium salts to conter toxic effects of fatty acid salts |
| 12/30/1986 | US4632692 Process and installation for simultaneously producing compost and biogas from organic waste |
| 12/30/1986 | EP0206015A2 A composition and method for utilizing the sludge obtained when processing waste lubricating oils |
| 12/17/1986 | EP0204888A1 Process for the combustion of waste matter, particularly of garbage and sludge |
| 12/10/1986 | CN85103864A Method of processing waste materials, particularly sludge containing noxious metals |
| 12/09/1986 | US4627917 Process for the anaerobic decomposition of organic substrate |
| 12/09/1986 | US4627116 Compost toilet apparatus |
| 12/09/1986 | CA1214930A1 Process for containment of liquids as solids or semisolids |
| 12/04/1986 | WO1986007049A1 Method and apparatus for drying sewage sludge |
| 12/04/1986 | WO1986007047A1 Method and apparatus for conducting chemical reactions at supercritical conditions |
| 12/02/1986 | US4626356 Sludge concentration method |
| 12/02/1986 | US4626354 Method for anaerobic treatment of high strength liquors |
| 12/02/1986 | US4626258 Contrlled pressurization |
| 11/26/1986 | EP0202626A2 Process for the reduction of the content of organic compounds in refuse and/or waste water |