| Patents for C02F 11 - Treatment of sludge; Devices therefor (21,423) |
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| 01/06/2000 | WO2000000285A1 Catalysts and processes for treatment of industrial process and waste streams |
| 01/05/2000 | EP0968967A2 Container for dewatering sludge |
| 01/05/2000 | EP0968138A1 A method for treating sludge from wastewater treatment |
| 01/05/2000 | EP0758304B1 Process for treating a medium containing organic constituents |
| 01/05/2000 | DE19926870A1 Paint spray de-watering filter vat |
| 01/05/2000 | DE19815243C1 Filter system for a sludge settling container |
| 01/05/2000 | CN1240268A Method to make drying more effective |
| 01/04/2000 | US6010632 Hydrothermal oxidation of organic compounds with heterogenous neutralizing reagent |
| 01/04/2000 | US6010624 Contaminated sediment treatment process |
| 12/30/1999 | DE19828467A1 Flocculating agent for removing colloidally dispersed solids from industrial drinking and waste water and for dewatering industrial sludges, especially in papermaking |
| 12/29/1999 | WO1999067174A1 Treatment of waste produced by farm animals raised under confined conditions |
| 12/29/1999 | WO1999067006A1 Coagulation reaction device |
| 12/29/1999 | EP0817760B1 Sludge digestion method |
| 12/29/1999 | EP0696259B1 Apparatus for the treatment of waste water |
| 12/29/1999 | CN2356032Y Powerless biological digetion tank |
| 12/29/1999 | CN2356031Y Methane fermentation device |
| 12/28/1999 | US6007601 Lime enhanced pressure filtration of iron and steel making sludge |
| 12/23/1999 | WO1999066084A1 Process for separation of heavy metals from residues by use of ethylene-diamine-disuccinic acid (edds) complexant |
| 12/23/1999 | DE19828889A1 Biogas production by co-fermentation of harvested crops and organic waste |
| 12/23/1999 | CA2332050A1 Process for separation of heavy metals from residues by use of ethylene-diamine-disuccinic acid (edds) complexant |
| 12/22/1999 | EP0965566A2 A method for treating organic waste water |
| 12/22/1999 | CN2354952Y Vortex water distributor |
| 12/22/1999 | CN2354951Y Refuse treating device by water jetting with toilet |
| 12/16/1999 | WO1999064358A1 System and method for removing volatile compounds from a waste stream |
| 12/16/1999 | WO1999064348A1 Methods for thermally degrading unwanted substances using particulate metal compositions |
| 12/16/1999 | WO1999064112A1 Method and apparatus for treating salt streams |
| 12/16/1999 | DE19825597A1 Sludge drying plant operating in two stages and recycling waste heat |
| 12/15/1999 | EP0963774A2 Method for drying of filter cakes |
| 12/15/1999 | EP0963773A2 Method for drying of filter cakes |
| 12/15/1999 | EP0788465B1 Method and apparatus for the oxidation processing of effluents in the presence of a heterogeneous catalyst |
| 12/15/1999 | CN1238228A Method for making drying more effective |
| 12/14/1999 | US6001243 Heating and reaction system and method using recycle reactor |
| 12/08/1999 | CN1237544A Pneumatic slurry press-filtering dehydration method and its equipment |
| 12/07/1999 | US5997751 Method and apparatus for treating aqueous medium containing organic matter |
| 12/05/1999 | CA2273505A1 Method for making drying more effective |
| 12/01/1999 | EP0960861A1 Process for treating sludges obtained from the purification of industrial effluent |
| 12/01/1999 | EP0960660A1 Process for filling a disposal site for silt supplied with a high water content and device for applying drainage wicks |
| 12/01/1999 | EP0960072A1 Process and apparatus for utilizing animal excrement |
| 12/01/1999 | EP0959992A1 Sequential biological/chemical/biological treatment of organic waste |
| 12/01/1999 | EP0871597B1 Method of treating a biomass in order to remove heavy metals with hydrogen sulphide |
| 12/01/1999 | EP0861214B1 Dewatering of aqueous suspensions |
| 12/01/1999 | EP0784501B1 Dewatering process |
| 12/01/1999 | CN1046925C Fluidized bed incinerating method for treatment of industrial poison sewage or sludge |
| 11/30/1999 | US5994608 Reduction of leachability and solubility of radionuclides and radioactive substances in contaminated soils and materials |
| 11/25/1999 | WO1999059925A1 Method and device for cleaning water using dredged soil and method of improving dredged soil |
| 11/25/1999 | DE19822583A1 Sludge treated by admixture of a larger volume of pre-treated sludge |
| 11/25/1999 | DE19822289A1 Process to remove sludge from water treatment basin |
| 11/24/1999 | EP0958332A1 Process and device for processing of biological residual material, in particular sludge |
| 11/24/1999 | EP0958253A1 Method and apparatus for the continuous dehydration of sludge |
| 11/18/1999 | WO1999058459A1 Method for treating humid waste containing an oxidable organic material |
| 11/18/1999 | DE19821190C1 Moist sludge treated for incineration or as compost |
| 11/17/1999 | CN2349206Y Equalizing water distributor |
| 11/16/1999 | US5984992 Sewage sludge recycling with a pipe cross-reactor |
| 11/16/1999 | CA2076375C Process and apparatus for pathogen reduction in waste |
| 11/16/1999 | CA2024780C Dewatering process and apparatus |
| 11/09/1999 | US5980755 For controlling performance of fitler bed in liquid filtration system for efficient backwashing and filtration |
| 11/09/1999 | US5980753 Process for recovering volatile acids |
| 11/03/1999 | CN1233597A Method for treating alcohol discharge liquid |
| 11/03/1999 | CN1233596A Method for treating and utilizing human excrement from urban districts |
| 11/03/1999 | CN1233592A Method of treating sludge containing arsenic |
| 11/02/1999 | US5976387 Method for feeding wastes into a boiler |
| 11/02/1999 | US5976375 Conditioning of the recycled activated sludge (ras) prior to its return into the aeration tank. the conditioning is typically performed within the sludge return line and involves ras exposure to a waste acidic effluents |
| 11/02/1999 | US5976372 Method of treating a biomass in order to remove heavy metals with hydrogen sulphide |
| 11/02/1999 | US5976318 Method for burning secondary sludge in a recovery boiler |
| 11/02/1999 | US5974821 System and method for channeled freeze processing of non-solid materials |
| 10/28/1999 | WO1999054268A1 Method and apparatus for removing organic waste from water, effluent and sludge |
| 10/28/1999 | DE19918066A1 Method for separating sludge from contaminated earth and rock e.g. earth, building refuse, waste materials etc. |
| 10/27/1999 | EP0952116A1 Process for decomposition and removal of dioxins contained in sludge |
| 10/27/1999 | EP0819138B1 High standard viscosity quaternary mannich microemulsions |
| 10/26/1999 | US5972226 Process and installation for the treatment of effluents by oxidation and denitrification in the presence of a heterogeneous catalyst |
| 10/26/1999 | US5972220 Aeration of premixed slurry, gravity settling slurry in separate basin where thickening and anaerobic biological denitrification occurs at ph maintained by released nitrogen, nitrification of settled sludge in aerobic digester |
| 10/26/1999 | US5972058 Mixing solid, hydrophobic grains of peat with waste sludge to be treated, extrusion to crush cell structure and extract water, coating resulting particles, hardening and disinfecting |
| 10/21/1999 | WO1999052830A1 Treatment of sewage sludge by combustion with animal waste |
| 10/20/1999 | EP0950030A1 Treating sewage or like sludge |
| 10/20/1999 | EP0949954A1 Apparatus for continuous purification of liquids, dewatering and drying of the separated solids |
| 10/20/1999 | CN2344400Y Improved split-flow suction type septic tank |
| 10/20/1999 | CN1232474A Cationic water-soluble polymer precipitation in salt solutions |
| 10/20/1999 | CN1231944A Comminution and distribution device for comminutable, pumpable material |
| 10/19/1999 | US5968353 Clarifier with sludge dewatering |
| 10/19/1999 | US5966838 Process and apparatus for drying material with indirectly heated driers and for decontaminating waste gas |
| 10/14/1999 | WO1999051545A1 Treatment of waste materials |
| 10/14/1999 | WO1999051533A1 Method for dewatering of sludge |
| 10/14/1999 | DE19915887A1 Sludge and water pumping sequence in two-stage biological waste water |
| 10/13/1999 | EP0835226B1 Process and device for continuously drying protein-containing sludge |
| 10/12/1999 | US5965096 Process and installation for the treatment of effluents by oxidation in the presence of a heterogeneous catalyst |
| 10/12/1999 | US5964045 Method and apparatus for the purification of oil-containing and water-containing roll scale sludge |
| 10/09/1999 | CA2228819A1 Waste treatment |
| 10/07/1999 | WO1999050195A1 Dewatering of organic suspensions with anionic and cationic polymers |
| 10/07/1999 | DE19907953A1 Process to increase electrical charge density on polymer, used for sewage sludge treatment, dewatering and waste water treatment processes |
| 10/07/1999 | DE19813100A1 Anlage zum Trocknen von Schlämmen System for drying sludge |
| 10/06/1999 | EP0946435A1 Sludge dewatering control system |
| 10/06/1999 | EP0946422A1 Method for separating organic waste |
| 10/05/1999 | US5961827 Apparatus for dewatering of sludge and similar substances |
| 10/05/1999 | CA2050579C Apparatus for coagulating treatment |
| 09/30/1999 | DE19858187A1 Apparatus for reducing organic components in clarified slurry |
| 09/30/1999 | DE19813485A1 Zerkleinerungs- und Zuteilungsvorrichtung für zerstückelbare, pumpbare Stoffe Crushing and allocation apparatus for zerstückelbare, pumpable materials |
| 09/29/1999 | EP0945409A2 Plant for drying sludge |
| 09/29/1999 | EP0945172A1 Device for crushing and apportionment of macerable pumpable materials |
| 09/29/1999 | CN1045278C Concentrating-burning treatment of organic lyechange |
| 09/28/1999 | US5958248 Method of precipitating protein at the time of removal of heavy metals |