| Patents for C02F 11 - Treatment of sludge; Devices therefor (21,423) |
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| 02/26/2003 | EP1015392B9 Method and device for separating sludge-like material using a stream of finely divided air bubbles |
| 02/26/2003 | CN1398800A Treating process of water-rich aluminium hydroxide sludge |
| 02/25/2003 | US6524847 Composting system |
| 02/20/2003 | WO2003014044A1 Composting aid and method of causing raw compost material to gel or solidify with the same |
| 02/20/2003 | WO2003014031A1 A method for disinfecting and stabilizing organic wastes with mineral by-products |
| 02/20/2003 | US20030034308 Processing method and processing apparatus for oil-bearing sludge |
| 02/19/2003 | CN2536586Y Sludge low-temperature phase transformation driers |
| 02/19/2003 | CN1397519A Process for preparing organic fertilizer from sewage and sludge |
| 02/19/2003 | CN1101788C Method and device of treating large water body pollution |
| 02/18/2003 | US6521133 Process for thermal sludge disinfection |
| 02/18/2003 | US6521129 Process for producing energy, feed material and fertilizer products from manure |
| 02/18/2003 | US6519926 System for processing organic material to produce energy includes a reactor vessel for hydrothermally treating the organic material with water to produce an effluent. In the reactor vessel, the organic material is gasified to produce an |
| 02/18/2003 | CA2267690C Process for reducing production of biomass during activated sludge treatment of pulp and paper mill effluents |
| 02/13/2003 | WO2003011398A1 Method for biosolid disposal and methane generation |
| 02/13/2003 | US20030029814 Adding water to the waste, preparing formulation comprising at least one surface active agent and fuel, introducing the organic matter in measured amounts to the fuel, emulsifying; burning |
| 02/13/2003 | US20030029806 To restoration of canals by removal of sludge and debris that accumulates gradually |
| 02/12/2003 | CN2535416Y Deep-hidden methane tank |
| 02/12/2003 | CN2535407Y Automatic circulating methane tank |
| 02/12/2003 | CN1396955A Method and device device for producing biogas which contains methane from organic substances |
| 02/12/2003 | CN1101281C Treating method for urban garbage and special equipment |
| 02/11/2003 | US6517729 Oxidation process of the wet oxidation or ozonization type |
| 02/11/2003 | US6517711 Waste treatment system |
| 02/11/2003 | US6517677 Mixing cellulose slurries with flocculants, water soluble terpolymers having low viscosity and microstructure particles |
| 02/06/2003 | WO2002085759A3 Waste disposal system for wet waste, particularly for waste from catering |
| 02/06/2003 | US20030024165 Low-energy input process for the pyrolytic conversion of biomass to charcoal or carbonized charcoal |
| 02/05/2003 | WO2002014227A1 Method for purifying waste water, and purification plant for carrying out said method |
| 02/05/2003 | EP1281678A2 Process for the treatment of biological sludge generated by the purification of wastewater |
| 02/05/2003 | EP1280738A1 Sludge treatment at a mesophilic temperature |
| 02/05/2003 | EP1280737A1 Method for the biological anaerobic treatment and reduction of excess sludges |
| 02/05/2003 | CN1394702A Method for making environment-protecting soil-saving sintered brick |
| 02/05/2003 | CN1394701A Urban garbage centralized treatment and regeneration method |
| 02/05/2003 | CN1100725C Process for preparation of firming agent |
| 02/04/2003 | US6514418 Method of dewatering slurries using leaf filters (filter presses) |
| 02/04/2003 | US6514411 Thickening biosolids solution, mixing portion of solution with oxygen-containing gas, injecting mixture of oxygen containing gas and biosolids solution into reactor at flow rate which introduces sufficient oxygen for aerobic environment |
| 01/30/2003 | WO2003008517A1 Composition for soil containing industrial waste as primary component |
| 01/30/2003 | WO2003008120A2 Oxidative thermochemical drying process for changing hydrophilic/hydrophobic characteristics of natural organic substances |
| 01/30/2003 | WO2002090604A3 Method and installation for utilizing waste products, which contain hydrocarbons and iron oxide, particularly mill scale sludges and coal fines |
| 01/30/2003 | WO2002049969A3 Method for accelerating biocatalytic and/or hormonal processes and use of the same |
| 01/29/2003 | EP1278704A1 Process and apparatus for treating sewage or like sludge |
| 01/29/2003 | EP1149051B1 Sludge-free treatment of copper cmp wastes |
| 01/29/2003 | CN2533127Y Improved suction dredge of secondary settling pond |
| 01/29/2003 | CN2532921Y Organic refuse disposing apparatus |
| 01/29/2003 | CN1393418A Method for supplying fluoric acid |
| 01/29/2003 | CN1100011C Process and apparatus for liquid sludge stabilization |
| 01/29/2003 | CN1100008C Process for treating arsenic-containing waste water |
| 01/23/2003 | WO2003006388A1 Method for starting up a system for treating waste by hydrothermal oxidation |
| 01/23/2003 | WO2003006387A2 The method and system of generating methane and electrical energy and thermal |
| 01/23/2003 | CA2452397A1 The method and system of generating methane and electrical energy and thermal |
| 01/22/2003 | CN1392000A Closed garbage fermenting treatment device and method with high pressure water spray nozzle |
| 01/22/2003 | CN1391999A Molded block of fermented organics and its using method |
| 01/22/2003 | CN1099386C Method for treating water |
| 01/22/2003 | CN1099381C Wet oxidizing process of waste soda |
| 01/21/2003 | US6508078 Separation of purified water and nutrients from agricultural and farm wastes |
| 01/16/2003 | WO2003004423A1 Method of anaerobically treating organic material and anaerobic treatment apparatus |
| 01/16/2003 | WO2003004130A1 Method and apparatus for extracting liquid present in a humid mass |
| 01/16/2003 | US20030010714 Aqueous liquid with dispersed particulate solids is pumped as fluid then allowed to stand and rigidify; rigidification is improved by combining polymeric particles with the material during pumping |
| 01/15/2003 | EP1274652A1 Method of clarifying water using low molecular weight cationic dispersion polymers |
| 01/15/2003 | EP1025050B1 Biodegradable complexing agents for heavy metals |
| 01/15/2003 | CN2530953Y GFRP methane tank |
| 01/15/2003 | CN1098828C Process and installation for the utilization of organic substances |
| 01/15/2003 | CN1098817C Method for removing chlorine ion in salt and alkali sludges |
| 01/14/2003 | US6506311 Method and apparatus for processing wet material |
| 01/14/2003 | CA2298122C Water and wastewater treatment system and process for contaminant removal |
| 01/09/2003 | WO2003002690A1 Process for flash carbonization of biomass |
| 01/09/2003 | WO2003002464A1 Polysaccharides with oxime or amine functions which are used for water treatment and sludge conditioning |
| 01/09/2003 | US20030008779 Absence of visible separation of hydroxyethylcellulose and a sulfonic acid functional polymer after standing in ambient solution for 3 months, solubility reading of < 20 nephelometric turbidity units and concentration of 2.5% |
| 01/09/2003 | US20030006194 Concrete grindings reclamation system |
| 01/08/2003 | EP1273362A1 Method for treating animal meals and/or fats |
| 01/08/2003 | CN1389564A Thiobacillus thiooxidans and biological eliminating method of chromium in tanning sludge |
| 01/08/2003 | CN1389502A Heavy metal chelant composite containing chitosan derivative |
| 01/08/2003 | CN1389412A Treating process of oily sludge produced in sewage treating field of petrochemical plant |
| 01/08/2003 | CN1389410A Human excrement teating bacterial prepn. |
| 01/08/2003 | CN1389409A Human excrement treating bacterial prepn. |
| 01/08/2003 | CN1389308A In-situ human excrement processing method and corresponding flush-free ecological toilet |
| 01/08/2003 | CN1098217C Apparatus and method for treatment of waste water and/or exhaust gases containing fluorine and surface active agents |
| 01/05/2003 | CA2352414A1 Device for controlling and keeping cakes in a rotary press |
| 01/03/2003 | WO2003000840A2 Nitrilases |
| 01/03/2003 | WO2003000603A2 Device for thickening or dewatering sludge, watery sediments or the like, especially surplus sludge in sewage treatment plants |
| 01/03/2003 | WO2003000602A1 Process and plant for the recovery of phosphorous and coagulants from sludge |
| 01/03/2003 | WO2003000379A1 Method and apparatus for clarifying a slurry |
| 01/03/2003 | WO2003000378A1 Method and apparatus for clarifying and/or thickening a slurry |
| 01/03/2003 | WO2002076890A3 Method and measuring device for automatically determining the concentration factor of conditioned sewage sludge |
| 01/03/2003 | CA2677781A1 Nitrilases |
| 01/03/2003 | CA2451300A1 Process and plant for the recovery of phosphorous and coagulants from sludge |
| 01/03/2003 | CA2449657A1 Method and apparatus for clarifying a slurry |
| 01/03/2003 | CA2449443A1 Method and apparatus for clarifying and/or thickening a slurry |
| 01/02/2003 | EP1271141A1 Apparatus and method for determining biological heat potential of a waste water treatment system. |
| 01/02/2003 | EP1270516A1 Method for hydrolysis of biological water treatment sludge |
| 01/02/2003 | EP1270515A1 Process and device for the continuous disintegration of activated sludge |
| 01/02/2003 | EP1270076A1 Dewatering of wet particulate material |
| 01/02/2003 | EP1268717A1 Method of converting agricultural waste to liquid fuel and associated apparatus |
| 01/02/2003 | EP1268352A1 Treating sewage or like sludge |
| 01/02/2003 | DE20200697U1 Waste water treatment basin has two electrode grids repelling charged particles in suspension |
| 01/01/2003 | CN2528768Y Methane collection apparatus |
| 01/01/2003 | CN2528767Y Device for collecting methane of water surface |
| 01/01/2003 | CN1388764A Plasma process for removing hydrocarbons from sludge in petroleum storage cylinder and adaptative apparatus |
| 01/01/2003 | CN1097559C Vaporizing and concentration drying apparatus and method |
| 12/31/2002 | US6500340 Pasteurizing sludge to exceptional quality |
| 12/27/2002 | WO2002102966A1 Method and device for anaerobically fermenting organic material |
| 12/27/2002 | WO2002102717A1 Method and apparatus for separating hydrocarbons from mineral substrates |