| Patents for C02F 11 - Treatment of sludge; Devices therefor (21,423) |
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| 02/22/2001 | WO2001012332A2 Methods and apparatus for sewage processing and treatment |
| 02/22/2001 | WO2001012308A1 Equipment for the leaching of solid matter from sludge |
| 02/22/2001 | WO2001012307A1 Method for the leaching of solid matter from sludge |
| 02/22/2001 | WO2000063119A3 Equality velocity agitating type flocculator |
| 02/21/2001 | CN1284938A Method and plant for the treatment of liquid organic waste |
| 02/21/2001 | CN1062254C Stereoscopic multi-layer multi-purpose fermentation device |
| 02/20/2001 | US6190566 Treatment of waste produced by farm animals raised under confined conditions |
| 02/20/2001 | US6190564 Two-stage separation process |
| 02/20/2001 | CA2199382C Process and apparatus for treatment of sewage sludge |
| 02/14/2001 | EP1076042A1 Downflow hydrothermal treatment reactor |
| 02/14/2001 | EP1076041A2 Method for decomposing or oxidizing dioxins and/or poly chlorinated biphenyls contained in liquid |
| 02/14/2001 | EP1075454A1 Sludge filtration apparatus having chain-type belt press with fine fibers of synthetic resin joined thereon |
| 02/14/2001 | EP0809777B1 Process and device for drying organic waste |
| 02/14/2001 | CN2419204Y Methane pool with automatic feeding/discharging materials |
| 02/13/2001 | US6186426 Comminution and distribution device for comminutable, pumpable materials |
| 02/13/2001 | US6186081 Process and apparatus for treating waste and sewage sludge |
| 02/08/2001 | WO2001009280A2 Two-phase type methane fermentation reactor |
| 02/08/2001 | WO2001009045A1 Hybrid chemical and biological process for decontaminating sludge from municipal sewage |
| 02/08/2001 | CA2377115A1 Two-phase type methane fermentation reactor |
| 02/07/2001 | CN2418126Y Improved mud dewatering machine |
| 02/07/2001 | CN2418125Y Moveable efficient solar marsh-gas generating apparatus |
| 02/06/2001 | US6184432 Methods for thermally degrading unwanted substances using particulate metal compositions |
| 02/03/2001 | CA2279525A1 Hybrid biological and chemical process for decontaminating municipal sewage sludge |
| 02/01/2001 | WO2001007712A1 Use of alkyleneamines for enhancing lime mud dewatering |
| 02/01/2001 | DE19532359C2 Verfahren zur Biogaserzeugung aus feststoffreicher Biomasse Process for biogas production from solid biomass, it |
| 02/01/2001 | CA2378766A1 Use of alkyleneamines for enhancing lime mud dewatering |
| 01/31/2001 | EP1072574A2 Fermentation plant with device for the dehydration of fermentation products |
| 01/30/2001 | US6180845 Transforming biomass to hydrocarbon mixtures in near-critical or supercritical water |
| 01/30/2001 | US6180079 Determining equivalent weight a of strong acid which is consumed until ph of aqueous alkali waste reaches 9 and equivalent weight b of strong acid which is consumed until ph reaches 4 in neutralization titration, adding alkali or acid |
| 01/25/2001 | WO2001006191A1 Method for drying slurry, rinse water and industrial effluent and/or residues |
| 01/25/2001 | WO2001005729A1 An organic waste material treatment process |
| 01/25/2001 | WO2001005718A1 Device for dehydrating sludge |
| 01/25/2001 | WO2001005714A1 Pateurizing sludge to exceptional quality |
| 01/25/2001 | WO2001005712A1 Process for flocculating suspensions |
| 01/24/2001 | EP1070030A1 Treatment of waste materials |
| 01/24/2001 | EP0906248B1 Optimised method for the treatment and energetic upgrading of urban and industrial sludge purifying plants |
| 01/24/2001 | CN1280957A Process for reclaiming wastes in situ of drilling well on land |
| 01/23/2001 | US6176187 Sludge handling and feeding system |
| 01/18/2001 | WO2001004201A1 High molecular weight zwitterionic polymers |
| 01/18/2001 | WO2001004061A1 A biofuel cell using wastewater and active sludge for wastewater treatment |
| 01/18/2001 | DE19932416A1 Vorrichtung zum Entwässern von Schlamm Apparatus for dewatering sludge |
| 01/18/2001 | DE19924269C1 Biogas reactor treating slurry and larger solids, includes central rotating vertical tube with openings at top and base of its sidewall, for radial recirculation and comminution of reactor contents |
| 01/18/2001 | CA2378558A1 A biofuel cell using wastewater and active sludge for wastewater treatment |
| 01/17/2001 | EP1069140A1 Water-soluble polymer, process for the production of the same, and use thereof as polymeric coagulant |
| 01/17/2001 | EP1068153A1 System for collecting, transporting and recycling domestic sewage, biowastes, black waters and other biodegradable substances |
| 01/17/2001 | CN2415032Y Thin Shell precast reinforced concrete unit methane tank |
| 01/16/2001 | US6174446 For removing solids such as grit and particles from contaminated liquids such as machine tool coolants and other process liquids |
| 01/11/2001 | WO2001002308A1 Process and apparatus for treating biosolids from wastewater treatment |
| 01/09/2001 | US6171509 Method and apparatus for treating salt streams |
| 01/09/2001 | US6171506 Thickening of aqueous mineral suspensions |
| 01/09/2001 | US6171505 Higher actives dispersion polymer to aid clarification, dewatering, and retention and drainage |
| 01/09/2001 | US6171499 Anaerobic sludge digestion, biogas production, mechanical dehydration, gas turbine burning the biogas and natural gas for energy yield of 88%, thermal drying, condensing vapors for heating digester, incinerating sludge as booster fuel |
| 01/04/2001 | WO2001000341A1 Method and device for treating unstructured or loosely structured organic waste |
| 01/04/2001 | DE19927907A1 One stage high density sludge purification of acidic waste water from mining operations to remove uranium, iron, sulfate ions and other impurities |
| 01/04/2001 | CA2376994A1 Method and appartus for the treatment of unstructured or loosely-structured organic wastes {biowastes} |
| 01/03/2001 | EP1064229A1 Rapid coagulation-flocculation and sedimentation type waste water treatment method |
| 01/03/2001 | CN1278784A Composting arrangement |
| 01/02/2001 | US6168721 Process for the treatment of arsenic-containing sludge |
| 01/02/2001 | US6168717 Process for controlling foam in a treatment reactor |
| 12/28/2000 | WO2000079052A1 Production method for composite cured product and sludge treating method |
| 12/28/2000 | DE19928663A1 Treatment of biowaste with little or no structure, i.e. food waste, comprises reduction to small particles, conversion to slurry, acid hydrolysis, continuous methanization and settling |
| 12/27/2000 | CN2412015Y Small effeciency steady pressure, four automatic immersion filtration dry fermenting methane tank |
| 12/26/2000 | US6165371 Off-shore sewage treating and handling apparatus and method |
| 12/26/2000 | US6164087 Apparatus for the cleaning of waste streams |
| 12/26/2000 | US6163980 Method and apparatus for continuous dehydration of sludge |
| 12/21/2000 | DE19927134A1 Recovering mercury for industrial use from contaminated sludge comprises heating and condensation on mobile assembly in low-cost process |
| 12/20/2000 | EP1060136A1 Method of dewatering slurries using leaf filters (filter presses) |
| 12/20/2000 | EP1059978A1 Filter bed differential pressure monitoring system |
| 12/20/2000 | CN2411253Y Combined ball-type self-circulation methane tank |
| 12/20/2000 | CN2411252Y Improved sturacture of sludge treatment machine |
| 12/20/2000 | CN1059695C Process for extracting crude oil from waste oil sludge |
| 12/20/2000 | CN1059645C Iron method pre-treatment for molasses waste water marsh gas fermentation |
| 12/19/2000 | US6161305 Process and plant for mechanical and thermal dewatering of sludges |
| 12/14/2000 | DE19927227A1 Process for controlling and stabilizing the pH during material separation or decontamination comprises removing the catholyte or anolyte produced during primary electrolysis and subjecting to auxiliary electrolysis |
| 12/14/2000 | DE19920806C1 Belt drive for sludge de-watering drum operates quietly and without serious oscillation |
| 12/13/2000 | CN2410296Y Sludge treatment device for vertical pipe bundle |
| 12/13/2000 | CN1276671A Apparatus and method for V5 inferface between local switch and switch-in network |
| 12/13/2000 | CN1276347A Process for repairing environment with non-uniform rotary electric field |
| 12/12/2000 | US6159384 A differential pressure monitor for measuring the differential pressure across a filter bed so as to monitor a filter bed and achieve efficient control of filtration and backwashing |
| 12/12/2000 | US6159380 Mixing wastewater, water purifying formulation and oxidizer in reactor settling tank; allowing to precipitate and stand until formation of sludge; pumping supernatent through filter; pumping sludge holding unit and then to solar dewatering unit |
| 12/12/2000 | US6159263 Sewage sludge recycling with a pipe cross-reactor |
| 12/07/2000 | WO2000073221A1 A method of and arrangement for continuous hydrolysis of organic material |
| 12/07/2000 | WO2000073220A1 A disposal method for pig ordure |
| 12/07/2000 | WO2000073219A1 Sludge conditioning with compositions comprising an anionic surfactant and a mineral cation |
| 12/07/2000 | WO2000073212A1 A method of removing dirt from a dirty solution, use of the method and devices able to perform this method |
| 12/07/2000 | DE19925565A1 Electricity generating assembly using fuel combustion |
| 12/06/2000 | EP1056691A1 Method and plant for the treatment of liquid organic waste |
| 12/06/2000 | EP0778813B1 Method for dewatering sludges |
| 12/05/2000 | US6156192 Waste treatment system |
| 11/30/2000 | WO2000071477A1 Method and facility for pretreating, pelleting and drying industrial sludges for recycling |
| 11/30/2000 | WO2000071476A1 Reclamation of materials in a closed environment with remedial water |
| 11/30/2000 | WO2000071222A2 Drainage sludge dehydration and dry system |
| 11/30/2000 | WO2000061504A3 System for collecting, transporting and recycling domestic sewage, biowastes, black waters and other biodegradable substances |
| 11/30/2000 | DE19924472A1 Treatment with carbon dioxide of waste (eg from papermaking) to make use of the quicklime, carbon or metal components in metallurgy, cement manufacture or firing of power stations or incinerators |
| 11/30/2000 | CA2374076A1 Reclamation of materials in a closed environment with remedial water |
| 11/29/2000 | CN2408114Y Faeces processor |
| 11/29/2000 | CN2408113Y High efficiency concentrated mud scraper |
| 11/29/2000 | CN1274687A Sludge de-watering drying system |
| 11/29/2000 | CN1274686A Electrical sludge-dewatering equipment with horizontal electric field |
| 11/29/2000 | CN1274685A Method for denirifying from hydrazine hydrate salt mud |