| Patents for C02F 11 - Treatment of sludge; Devices therefor (21,423) |
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| 01/31/1990 | EP0352891A1 Process for treatment of water containing volatile and toxic compounds |
| 01/31/1990 | EP0352390A1 Apparatus for the treatment of industrial sludge |
| 01/25/1990 | WO1990000701A1 Deodorization and cleaning of medium temperature wet off-gases derived from burning of wet waste sludge |
| 01/24/1990 | EP0352096A2 Compositions to encapsulate chromium, arsenic, and other toxic metals in wastes |
| 01/24/1990 | CN1039005A Medium temperature hydrolysis reactor |
| 01/24/1990 | CN1006546B Treatment method of acid residuum |
| 01/23/1990 | US4895665 Method for treating and reclaiming oil and gas well working fluids and drilling pits |
| 01/18/1990 | DE3802109C1 Process for thermal utilisation of organic waste materials |
| 01/11/1990 | WO1990000183A1 Multigrade asphalt cement product and process |
| 01/10/1990 | EP0350349A1 Process and apparatus for the treatment of organic waste |
| 01/09/1990 | CA1264233A1 Method of treating wastewater sludge |
| 01/09/1990 | CA1264232A1 Method of treating wastewater sludge |
| 01/03/1990 | EP0349035A2 Medium temperature hydrolysis reactor |
| 01/03/1990 | EP0348867A1 Multigrade asphalt cement product and process |
| 01/02/1990 | US4891140 Energy efficient |
| 01/02/1990 | US4891139 Method for wet oxidation treatment |
| 01/02/1990 | US4890563 Treatment of waste and rotary kiln therefor |
| 12/28/1989 | WO1989012482A1 Process and device for separating harmful substances |
| 12/27/1989 | EP0347808A1 Process for the treatment of sewage sludge |
| 12/27/1989 | CN1038294A Sludge treatment and acrylic resin paste |
| 12/21/1989 | DE3820317A1 Process for separating flowable organic media containing harmful or polluting constituents |
| 12/21/1989 | DE3820142A1 Fresh fat separator |
| 12/20/1989 | EP0347240A2 Method for recycle and use of contaminated soil and sludge |
| 12/20/1989 | EP0346616A2 Apparatus for the production of pellets covered by a powdered waste material starting from a mechanically dewatered sludge |
| 12/19/1989 | US4888053 Chloride leaching of iron-based, heavy metal-containing sludges |
| 12/14/1989 | DE3820110A1 Process for dewatering sewage sludges |
| 12/13/1989 | EP0346282A1 Process for the batched disinfection of sewage sludge |
| 12/13/1989 | EP0346159A1 Method of coagulating sludge |
| 12/13/1989 | EP0346095A1 Method for purification of water |
| 12/12/1989 | US4886393 Pretreatment of solid wastes, and wastes to be compacted, for introduction into underground salt cavities of salt caverns via a downpipe under the force of gravity |
| 12/12/1989 | US4886000 Method of treating waste |
| 12/07/1989 | DE3818997A1 Apparatus for dewatering sludges |
| 12/06/1989 | EP0344946A2 Method and apparatus for treating waste paint sludge |
| 12/06/1989 | EP0344152A1 Process and installation for dewatering waste water sludge. |
| 12/05/1989 | CA1263770A1 Dewatering solids suspensions |
| 12/05/1989 | CA1263610A1 Raisable plow assembly |
| 11/30/1989 | WO1989011455A1 Process and device for conditioning sludges which are difficult to de-water |
| 11/30/1989 | DE3824289A1 Verfahren und vorrichtung zur konditionierung schwer entwaesserbarer schlaemme Method and apparatus for conditioning hard dewatered sludges |
| 11/29/1989 | EP0343431A1 Process and apparatus for sewage sludge drying |
| 11/21/1989 | US4882067 Process for the chemical bonding of heavy metals from sludge in the silicate structure of clays and shales and the manufacture of building and construction materials therewith |
| 11/21/1989 | US4882058 Organic waste recycling system and method |
| 11/21/1989 | US4881473 Method and apparatus for treating oil-water-solids sludges and refinery waste streams |
| 11/16/1989 | DE3912586A1 Process and regeneration device for the thermal treatment, such as drying, low-temperature carbonisation or gasification, of pasty or sludge-like substances |
| 11/14/1989 | US4880858 Coal fines and polymers |
| 11/14/1989 | US4880586 Method for the treatment of animal excrements and sewage sludges |
| 11/14/1989 | US4880533 Apparatus and system for treating waste water and sludge |
| 11/09/1989 | DE3806732A1 Methode zur vergasung von organischem material in synthesegas oder gasfoermigen oder fluessigen kohlenwasserstoffen oder zur entfernung von organischem material in abwasser Method for the gasification of organic material into synthesis gas or houses on gaseous or liquid hydrocarbons or organic material in wastewater distance from |
| 11/08/1989 | EP0340616A1 Installation for the treatment of industrial waste water containing environmentally noxious pollutants and toxic substances |
| 11/07/1989 | US4879048 Method and facility for removing sludge from water |
| 11/07/1989 | US4878441 Apparatus and process for generating steam from wet fuel |
| 11/07/1989 | CA1262699A1 Multiple hearth reactor and process for thermal treatment of carbonaceous materials |
| 11/02/1989 | WO1989010176A1 Process for the chemical bonding of heavy metals from sludge in the silicate structure of clays and shales and the manufacture of building and construction materials therewith |
| 11/02/1989 | EP0339457A1 Sewage sludge disinfecting process |
| 10/25/1989 | EP0338438A1 Process for treating or processing clay or clayey masses, process for disposing of harmful substances by clay or clayey masses, and dumping ground sealing or lining by clay or clayey masses |
| 10/25/1989 | EP0338060A1 Method for stabilizing, solidifying and storing waste material |
| 10/19/1989 | WO1989009750A1 A continuous method for the sterilization of sludge |
| 10/18/1989 | EP0337218A2 Process and dewatering device of mud |
| 10/17/1989 | US4874432 Multigrade asphalt cement product and process |
| 10/12/1989 | DE3907066A1 Process for decontaminating sludge-like sediments |
| 10/10/1989 | US4872998 Coagulation and flocculation, then dewatering, heat drying, pelletization; sewage treatment |
| 10/10/1989 | US4872993 Waste treatment |
| 10/10/1989 | US4872977 Solid waste retriever |
| 09/27/1989 | EP0333796A1 Process and device for processing hydroxide sludges |
| 09/27/1989 | EP0333774A1 Conditioning and hygienic treatment of sewage sludge and the like |
| 09/26/1989 | US4869833 Method and apparatus for controlled chemical reactions |
| 09/26/1989 | CA1260634A1 Dewatering agents |
| 09/21/1989 | WO1989008618A1 Sludge treatment system |
| 09/21/1989 | WO1989008616A1 A method and installation for the break-down and recycling of solid urban waste by anaerobic fermentation |
| 09/21/1989 | WO1989008614A1 Method for the processing of organic compounds |
| 09/21/1989 | DE3815351A1 Live steam nozzle for the treatment of sewage sludge and spent oils |
| 09/21/1989 | DE3807748A1 Mehrschichtige poroese gefuegekonstruktion, insbesondere zur trennung von fluessigen und festen phasen Multilayer porous gefuegekonstruktion, in particular for the separation of liquid and solid phases |
| 09/20/1989 | EP0332958A1 Process for the decontamination of sludge-like sediments |
| 09/14/1989 | DE3840858A1 Process and plant for thermal disposal of fine-grained waste materials, in particular sewage sludge |
| 09/14/1989 | DE3807275A1 Apparatus for pressure dewatering of aqueous sludges |
| 09/14/1989 | DE3806542A1 Einrichtung fuer werbezwecke Means for promotional purposes |
| 09/13/1989 | CN2044254U Slurry reclaiming and treating system for finished drilled well |
| 09/12/1989 | US4865750 Methods for reducing anions in process chemicals |
| 09/12/1989 | US4864942 Process and apparatus for separating organic contaminants from contaminated inert materials |
| 09/08/1989 | WO1989008303A1 Advertising device |
| 09/08/1989 | WO1989008138A1 Gasification process |
| 08/31/1989 | DE3805553A1 Process for converting substrates |
| 08/30/1989 | EP0329916A1 Process and apparatus for dewatering wet goods, in particular flowable and/or bulk goods containing water |
| 08/30/1989 | CN1035101A Highly efficient fermantation technology for methane generation by automatic stirring |
| 08/29/1989 | US4861519 Method for volume reduction of low activity organic wastes from nuclear power plants by anaerobic decomposition |
| 08/29/1989 | US4861497 Method for the processing of organic compounds |
| 08/29/1989 | US4861496 Electro-dewatering method and apparatus |
| 08/29/1989 | US4861492 Using organic polymeric flocculants |
| 08/29/1989 | US4861471 Activated sludge treatment apparatus |
| 08/29/1989 | US4860671 Odor control for a sludge treatment process |
| 08/24/1989 | WO1989007743A1 Process and device for dewatering wet materials, in particular water-containing free-flowing and/or pourable bulk goods |
| 08/24/1989 | WO1989007480A1 Supercritical separation process for complex organic mixtures |
| 08/24/1989 | DE3803234A1 Process and apparatus for dewatering water-containing wastes |
| 08/23/1989 | EP0328574A1 Process for the conversion and working up of a mixture of organic matter, anorganic matter and water to a nearly dry product, as well as an installation for the execution of the process and application thereof by the conversion of manure slurry |
| 08/22/1989 | US4859367 Waste solidification and disposal method |
| 08/15/1989 | US4857458 Installation and plant for the recovery of energy from waste and residues |
| 08/15/1989 | US4857198 Process for treatment of water containing volatile and toxic compounds |
| 08/10/1989 | DE3901184A1 Process for purifying flue gases |
| 08/09/1989 | EP0326561A1 Process for immobilizing harmful substances in the ground or in ground-like materials. |
| 08/09/1989 | EP0323970A4 Sewage treatment. |
| 08/08/1989 | CA1258323A1 Oxidation of wastewaters |