| Patents for C02F 11 - Treatment of sludge; Devices therefor (21,423) |
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| 06/02/2004 | CN1500752A Method and apparatus for reclaiming washed coal from slime water in coal washery |
| 06/02/2004 | CN1500751A Decentralizing treating and utilizing technology for zero discharging sewage |
| 06/02/2004 | CN1151977C Process for reclaiming the three wastes in site of drilling well on land |
| 06/01/2004 | US6743353 Method and apparatus for neutralizing alkaline wastewater without using mineral acids |
| 06/01/2004 | CA2114436C Dewatering of aqueous suspensions |
| 05/27/2004 | WO2004043568A1 Aggregation reaction system |
| 05/27/2004 | WO2003097703A8 A water-soluble polymer dispersion and a method of producing a water-soluble polymer dispersion |
| 05/27/2004 | US20040099599 Applying pulsed electrical signals; conditioning, stabilization, thickening, dehydration |
| 05/27/2004 | DE10262031A1 Activated waste water treatment basin has pre-programmed pivoting wall-mounted sludge skimmer with sludge measuring sensor |
| 05/26/2004 | EP1240346B1 Method for producing biogas, which contains methane, from organic substances. |
| 05/26/2004 | CN1500136A Process to dewater soot water slurry obtd. in gasification process |
| 05/26/2004 | CN1498869A Power generation and making fertilizer system based on sludge treatment |
| 05/26/2004 | CN1498868A Ecotypic toilet without discharging |
| 05/26/2004 | CN1498700A Power generation system by using gasified household garbage through autoclaving |
| 05/25/2004 | US6739458 Device for dehydrating sludge |
| 05/25/2004 | US6739072 Method for drying paste-like materials |
| 05/21/2004 | WO2002066895A8 Method and treatment of sludge having particles comprising metal, metal oxide or metal hydroxide intermixed therein |
| 05/21/2004 | CA2783568A1 Apparatus, system and method for treating waste material |
| 05/20/2004 | US20040094475 Introduces waste activated sludge into the influent waste stream received by a waste stream treatment system that may be mixed in an anaerobic contact process |
| 05/19/2004 | EP1419114A2 Sludge treatment method |
| 05/19/2004 | EP1419112A1 Bubble-free and pressure-generating electrodes for electrophoretic and electroosmotic devices |
| 05/19/2004 | DE10250784A1 Verfahren zur konvektiven Trocknung von Nass- oder Feuchtgut Method for convective drying of wet or moist |
| 05/19/2004 | DE10013779B4 Verfahren und Anlage zur Behandlung von Abwässern und von biogenen Reststoffen mit aus Abwasser gewonnenem Klärschlamm Method and apparatus for treating waste water and biogenic residues with reclaimed from sewage sludge |
| 05/19/2004 | CN2616534Y Methane generator with industrialized combined structure |
| 05/19/2004 | CN2616533Y Grow-culture joint ecological methane-generating pit |
| 05/19/2004 | CN2616316Y Internal-circulating energy-saving refuse treatnig machine |
| 05/19/2004 | CN1497832A 电动动力转向设备 The electric power steering device |
| 05/18/2004 | CA2338192C Method of liquefying microorganisms derived from biological wastewater treatment processes |
| 05/13/2004 | WO2004040215A1 Method for convectively drying wet or moist stock |
| 05/13/2004 | WO2004039734A1 Device and method for processing liquid manure by means of electroflotation |
| 05/13/2004 | WO2004028986A3 Membrane bioreactor waste water treatment method |
| 05/13/2004 | US20040089609 Method of improving the handleability of semi-fluid materials |
| 05/13/2004 | DE10250533A1 Vorrichtung und Verfahren zur Aufbereitung von Gülle mittels Elektroflotation Apparatus and method for treatment of manure by electroflotation |
| 05/12/2004 | EP1418194A1 Modified polyalkyleneimine and methods of using the same |
| 05/12/2004 | CN1495384A Method for treating wastes produced by acrylic acid process and acryli ester process |
| 05/11/2004 | US6734326 Method of treating aqueous effluents containing peroxidized compounds |
| 05/11/2004 | US6733674 Method of dewatering sludge using enzymes |
| 05/11/2004 | US6733673 Method of dewatering sludge using enzymes |
| 05/11/2004 | US6733662 Methods and apparatus for biological treatment of waste waters |
| 05/11/2004 | US6733558 For use as fertilizer, and possessing improved resistance to combustion and corrosive effect |
| 05/06/2004 | WO2004037743A1 A method of using wastewater sludge in the production of concrete |
| 05/06/2004 | WO2004037731A1 Method for producing methane gas |
| 05/06/2004 | WO2004037730A2 A process for treatment of organic waste in particular sewage sludge |
| 05/06/2004 | WO2004037303A1 Deodorant composition |
| 05/06/2004 | US20040084380 Adding base to waste; mixing to generate heat; applying microwaves or radio frequency waves; treating biosolids |
| 05/06/2004 | US20040084373 Process for recycling paint flush solution |
| 05/06/2004 | US20040084367 Mixing sludge with base; aeration, drying, agitation, and heating; pasteurizing, pelletization; agricultural soil or fertilizer |
| 05/06/2004 | EP1414758A1 A method for disinfecting and stabilizing organic wastes with mineral by-products |
| 05/06/2004 | EP1206415B1 Process for flocculating suspensions |
| 05/06/2004 | EP1200550B1 Two-phase type methane fermentation reactor |
| 05/05/2004 | CN1493681A Medium and small sized centralized gas supply sludge gas fermentation tank |
| 05/05/2004 | CN1493537A Treatment method of dicyandiamide waste slag |
| 05/05/2004 | CN1493536A Brick mould clamping apparatus and its pond building eonstruction new technique |
| 05/05/2004 | CN1493535A Active sludge carbon and its making method and use |
| 05/05/2004 | CN1493534A Hospital sewage fully enclosed treatment technology and integrated equipment |
| 05/01/2004 | CA2447868A1 Process for recycling paint flush solution |
| 04/29/2004 | WO2004035491A1 Procedure and device for thermophilic temperature range stabilization and mineralization of sludge from wastewater treatment plants |
| 04/29/2004 | WO2004035490A1 Sludge treatment method |
| 04/29/2004 | WO2003020651A3 Process and installation for the treatment of biological studies |
| 04/29/2004 | US20040079710 Method and apparatus for recycling sewage sludge utilizing spent water-softener lime |
| 04/29/2004 | US20040079681 Recycle process for a metal bearing sludge concentrate |
| 04/29/2004 | DE10249081A1 Simplified sewage sludge treatment comprises an enzyme treatment step, and optionally a peroxide treatment step at an acidic pH |
| 04/29/2004 | DE10248850A1 Decontamination of soils, sludges or similar mixtures involves washing in presence of separating agents which loosen organic contaminants by pi-bonding and/or mesomeric effect and mobilize heavy metals as chelates |
| 04/28/2004 | EP1413826A1 Process and apparatus for the micro-wave treatment of solid residues from the thermal degradation of a charge containing organic matter |
| 04/28/2004 | EP1413562A1 Using wastewater sludge in the production of concrete |
| 04/28/2004 | EP1412030A1 Method for biosolid disposal and methane generation |
| 04/28/2004 | EP1337327A4 Process for treating a solid-liquid mixture |
| 04/28/2004 | EP1244601A4 Waste treatment process |
| 04/28/2004 | CN1492840A Method and device for fluid treatment |
| 04/28/2004 | CN1492113A System for city water saving and classified supply and draining, city fecal treatment and organic fertilizer reutilization |
| 04/28/2004 | CN1147440C Treatment method of high concentration organic wastewater using biological culture equipment |
| 04/27/2004 | US6726809 Industrial process fabric |
| 04/27/2004 | CA2235901C Downflow hydrothermal treatment |
| 04/22/2004 | US20040074845 Concentrating/dewatering wastes/sludge to reduce odor; flocculation |
| 04/22/2004 | US20040074835 Dewatering system |
| 04/22/2004 | DE10044326B4 Verfahren zur Reduzierung der Restlöslichkeit von bleihaltigen Schlämmen und sonstigen Rückständen A process for reducing the residual solubility of lead-containing sludge and other residues |
| 04/21/2004 | EP1409609A1 Process for flash carbonization of biomass |
| 04/21/2004 | EP1409419A1 Anaerobic digestion apparatus, methods for anaerobic digestion a nd for minimizing the use of inhibitory polymers in digestion |
| 04/21/2004 | EP1409130A2 Oxidative thermochemical drying process for changing hydrophilic/hydrophobic characteristics of natural organic substances |
| 04/21/2004 | CN1491190A Method and plant for thickening sludge derived from water treatment by flocculation-decantation with ballasted floc |
| 04/21/2004 | CN1491134A Organic waste grinding drainer |
| 04/21/2004 | CN1490265A Sludge treating device and method, and its dewatering device and method |
| 04/21/2004 | CN1490262A Process for printing and dyeing waste water treating tower |
| 04/21/2004 | CN1490095A Waste materials treating systems |
| 04/21/2004 | CN1490094A Food refuse treater |
| 04/15/2004 | WO2003106355A3 Reactor for thermophilic biological sludge degradation |
| 04/15/2004 | US20040072331 Biodegrading organic waste using microorganismal decomposition, dehydration and hydration; bioremediation and pollution control |
| 04/15/2004 | US20040069878 Method and apparatus for reuse of abrasive fluid used in the manufacture of semiconductors |
| 04/14/2004 | EP1406845A2 The method and system of generating methane and electrical energy and thermal |
| 04/14/2004 | EP1406711A2 Methods of using natural products as dewatering aids for fine particles |
| 04/14/2004 | CN1488759A Method for producing lactic acid from paper-making pulp |
| 04/14/2004 | CN1488591A Oil-containing sludge treating method |
| 04/14/2004 | CN1488590A Sludge pyrolysis treating method and apparatus thereof |
| 04/14/2004 | CN1488589A Mud-scraping suction dredge and solid-liquid separating process thereof |
| 04/13/2004 | US6719903 Autothermal aerobic process for treating biosolids where the oxygen/reduction potential is controlled by adjusting amount of shear generated through jet aeration devices and/ or adjusting the amount of oxygen-contouring gas provided |
| 04/13/2004 | US6719897 Fluid treatment apparatus |
| 04/13/2004 | CA2137552C Treatment of waste materials for disposal |
| 04/08/2004 | WO2004028986A2 Membrane bioreactor waste water treatment method |
| 04/08/2004 | WO2004028985A1 Method and apparatus for oxidizing organic matter |
| 04/08/2004 | WO2004028984A1 A device for decomposing organic garbage completely by biochemical treatment |