| Patents for C02F 11 - Treatment of sludge; Devices therefor (21,423) |
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| 05/05/1998 | CA2079508C Method and apparatus for rendering waste substances harmless |
| 04/30/1998 | DE19639551C1 Drying mechanically dewatered sludge |
| 04/28/1998 | US5744037 Method of treating foul water |
| 04/23/1998 | DE19642849A1 Process and assembly fluidise municipal waste facilitating removal of substances |
| 04/16/1998 | DE19642259A1 Process to mix, dewater and incinerate mixture of contaminated adsorbent agent |
| 04/16/1998 | DE19641536A1 Sludge dewatering assembly with bleed supply of sludge and flocculant |
| 04/16/1998 | DE19641535A1 Sludge-flocculant test mixture chamber with smooth circular walls |
| 04/15/1998 | EP0835226A1 Process and device for continuously drying protein-containing sludge |
| 04/15/1998 | CN1178777A Process for treating oil containing sludge |
| 04/14/1998 | US5738794 Cationic water-soluble polymer preciptation in salt solutions |
| 04/09/1998 | WO1998014490A1 Cationic water-soluble polymer precipitation in salt solutions |
| 04/09/1998 | DE19703018A1 Anaerobic fermentation of clarifier sludge - by physical-chemical de:flocculation of the sludge |
| 04/09/1998 | CA2268070A1 Cationic water-soluble polymer precipitation in salt solutions |
| 04/08/1998 | EP0834473A1 Biological activator based on day 1 for septic tanks |
| 04/02/1998 | DE19629723C1 Sewage sludge conditioning method for fertiliser production |
| 04/01/1998 | EP0832857A1 Process for continuously drying of sewage sludge |
| 04/01/1998 | EP0832856A2 Process for indirectly heated drying material, in particular sewage sludge |
| 04/01/1998 | EP0832855A2 Process for sewage sludge digestion |
| 04/01/1998 | EP0832853A2 Process for the treatment of sludges from biological waste water treatment |
| 04/01/1998 | EP0832489A1 Process and device for separating a medium into a solid matter-containing component and a liquid component |
| 03/31/1998 | US5733462 Cationic water-soluble polymer precipitation in salt solutions |
| 03/26/1998 | WO1998012003A1 Treatment of waste |
| 03/25/1998 | EP0830207A1 Process and device for the treatment of waste water from the wet dedusting of shredders |
| 03/25/1998 | EP0730503B1 Process for purifying and treating polluted materials |
| 03/24/1998 | US5732367 Reduction of leachability and solubility of radionuclides and radioactive substances in contaminated soils and materials |
| 03/24/1998 | US5730884 Method of removing selenate ion from selenate ion-containing aqueous waste liquid |
| 03/19/1998 | WO1998011023A1 Process for disinfecting organic waste sludge |
| 03/18/1998 | EP0829457A2 Process and device for drying sludge |
| 03/18/1998 | CN1176633A Electrocoalescent system for decontaminating water streams |
| 03/17/1998 | US5728303 Electro-coalescence/magnetic separation (ECMS) system and components for removal of contaminants from water streams, including desalinization |
| 03/17/1998 | US5727879 Waste decomposition treatment apparatus |
| 03/12/1998 | WO1998009920A1 Method and apparatus for the continuous dehydration of sludge |
| 03/12/1998 | WO1998009919A1 Microbial remediation reactor and process |
| 03/12/1998 | DE19636795A1 Apparatus for drying of sludge |
| 03/11/1998 | EP0827767A2 Apparatus for dewatering sludges and similar substances |
| 03/10/1998 | US5725770 Waste treatment plant and process |
| 03/10/1998 | US5725762 Separation treatment system |
| 03/10/1998 | US5724751 Process and apparatus for drying organic or inorganic materials |
| 03/05/1998 | WO1998008984A1 Method and facility for reprocessing waste |
| 03/05/1998 | WO1998008774A1 Method for filter thickening |
| 03/05/1998 | DE19644465A1 Process and assembly for drying e.g. sludge |
| 03/03/1998 | US5723048 Method of anaerobic digestion of sewage sludge |
| 03/03/1998 | US5723045 Process and apparatus for supercritical water oxidation |
| 02/26/1998 | WO1998007974A1 An arrangement and a method of utilizing landfill gases |
| 02/26/1998 | WO1998007512A1 Wet oxidation processing of a solution or suspension of organic compounds |
| 02/26/1998 | DE19635360A1 Incinerator for burning wet material |
| 02/24/1998 | US5720947 Normal superphosphate containing mixture of calcium phosphates with calcium sulfate and phosphoric acid, atleast one undecylenic acid or methyl ester or polyalkoxylated undecylenic acid and sodium borate; deoderizing pig manure |
| 02/24/1998 | US5720889 Water pollution control |
| 02/24/1998 | US5720885 Portable |
| 02/24/1998 | US5720578 Wet oxidizing mud or suspended earth by oxidation with oxygen, heating and pressurizing in the presence of an iron compound and a quinone promoter |
| 02/19/1998 | WO1998006796A1 Method for producing a liquid organic and sulphur-free fuel |
| 02/19/1998 | WO1998006756A1 Biodegradable complexing agents for heavy metals |
| 02/18/1998 | EP0824089A1 Process for drying galvanic sludge |
| 02/18/1998 | CN2274521Y Sewage treating apparatus |
| 02/11/1998 | CN1173205A Municipal solid waste processing facility and commercial lactic acid production process |
| 02/04/1998 | EP0648193B1 Process and system for purifying waste water |
| 02/04/1998 | EP0530292B1 Method of treating a suspension having a low concentration of suspended material |
| 02/03/1998 | US5714058 Apparatus for accelerating revival of environment |
| 01/29/1998 | DE19617973C1 Overhead sludge distribution system for sludge digester |
| 01/28/1998 | EP0820423A1 Injector for scwo reactor |
| 01/28/1998 | EP0729545A4 Efficient utilization of chlorine and moisture-containing fuels |
| 01/28/1998 | CN1171516A Waste supplying method for boiler and its device |
| 01/27/1998 | US5711768 Sewage sludge disposal process and product |
| 01/22/1998 | DE19725141A1 Artificial lightweight aggregate production from industrial waste to reduce environmental pollution and damage |
| 01/21/1998 | EP0819651A1 Cationic polymer composition for sludge dewatering |
| 01/21/1998 | EP0819138A1 High standard viscosity quaternary mannich microemulsions |
| 01/21/1998 | EP0819101A1 Arrangement and process for oxidizing an aqueous medium |
| 01/21/1998 | CN2272887Y Prefabricated parts built-up marsh gas fermentation tank |
| 01/20/1998 | US5709800 Environmentally acceptable waste disposal by hydrothermal decomposition of labile compounds with nitrite |
| 01/19/1998 | CA2210865A1 Cationic polymer composition for sludge dewatering |
| 01/15/1998 | DE19726899A1 Dewatering sludge |
| 01/15/1998 | DE19627884A1 Double band filter press for dewatering sludges or suspensions |
| 01/15/1998 | DE19627721A1 Sludge dewatering press, drying filter cake with waste heat |
| 01/14/1998 | EP0818424A2 Process for treating organic sludge, especially activated sludge |
| 01/14/1998 | EP0817760A1 Sludge digestion method |
| 01/14/1998 | CN1169959A Method for treating aqueous media containing organic materials and water hot reacting apparatus |
| 01/13/1998 | US5707417 Process of treating garbage with simultaneous production of methane |
| 01/07/1998 | EP0815059A1 Stabilization of bio-organic sludges |
| 01/07/1998 | EP0815058A1 Method and facility for the oxidation processing of effluents in the presence of a heterogeneous catalyst |
| 01/07/1998 | EP0705112B1 Compositions for deodorising animal excreta, and deodorising method therefor |
| 01/07/1998 | CN1036933C Partial oxidation of sewage sludge |
| 01/06/1998 | US5705073 Papermaking |
| 01/06/1998 | US5705046 Reaction with limestone to form gypsum and coal fly ash, filtration, transferring the filtrate to electrodialyzer for ion exchanging with membranes |
| 01/02/1998 | DE19641002C1 Process for using sewage sludge for energy |
| 12/30/1997 | US5702594 Apparatus for treatment of waste water and/or exhaust gases containing fluorine and surface active agents |
| 12/29/1997 | EP0814061A2 Method and apparatus for treating aqueous medium containing organic matter |
| 12/29/1997 | EP0813502A1 Electrocoalescent system for decontaminating water streams |
| 12/24/1997 | CN2271174Y Silt sewage treatment apparatus |
| 12/23/1997 | CA2132614C Dewatering agent for sludge |
| 12/16/1997 | US5698028 Composition and process for improving soil |
| 12/11/1997 | WO1997046496A1 Process for the recycling of residues for the production of portland cement clinker |
| 12/11/1997 | WO1997046494A1 Heating and reaction system and method for superchemical treatment of a liquid stream |
| 12/11/1997 | DE19622591A1 Verfahren zur stofflichen und thermischen Nutzung von Wasser, Mineralien und brennbare Anteile enthaltenden Reststoffen für die Herstellung von Portlandzementklinker Methods for material and thermal utilization of water, minerals and combustible fractions containing residues for the production of Portland cement clinker |
| 12/11/1997 | CA2257464A1 Heating and reaction system and method for superchemical treatment of a liquid stream |
| 12/10/1997 | EP0811580A2 Method for removing heavy metal from sludge |
| 12/10/1997 | EP0811017A1 Cellulose particles, method for producing them and their use |
| 12/10/1997 | CN1167447A Activated sludge degassing process and device |
| 12/10/1997 | CN1036668C Method for processing chrome slag |
| 12/09/1997 | US5695650 Irreparably rupturing cellular membranes of microorganisms in sludge by electroporation to release intracellular water, separating water from solids |
| 12/03/1997 | EP0810041A2 Method of converting organic wastes to valuable resources |