| Patents for C02F 11 - Treatment of sludge; Devices therefor (21,423) |
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| 04/08/2004 | WO2004028981A1 Treatment of waste activated sludge |
| 04/08/2004 | WO2004028980A1 Method and device for reducing sludge from biological wastewater treatment stations |
| 04/08/2004 | WO2004014809A3 Method and facility for treatment of sludge derived from biological water purification facilities |
| 04/08/2004 | US20040065612 Accumulation of wastes in pool; separating hydrocarbons using gravity; removal oils |
| 04/08/2004 | DE10245214A1 Method for extracting water from pressed rotting sludge consists of subjecting the sludge successively to freezing and thawing, and removing the additional water liberated through thawing |
| 04/08/2004 | CA2500135A1 Membrane bioreactor waste water treatment method |
| 04/07/2004 | EP1404622A1 Method for starting up a system for treating waste by hydrothermal oxidation |
| 04/07/2004 | EP1404621A1 Process and plant for the recovery of phosphorous and coagulants from sludge |
| 04/07/2004 | EP1404619A2 Procede de conditionement ou de deshydratation de boues issues de l'industrie papetiere ou agro-alimentaire |
| 04/07/2004 | CN2609922Y Air guide device mounted in methane-generating pit |
| 04/07/2004 | CN2609921Y Automatic mixing fecal treatment device |
| 04/07/2004 | CN2609920Y Dredge nozzle for mud scrape dredge machine |
| 04/06/2004 | US6716360 Adding nitrogen oxides; conducting stream up hydraulic updraft column; wet oxidation; ammoniation |
| 04/01/2004 | WO2004026774A1 Method of reducing volume of sludge and apparatus therefor |
| 04/01/2004 | WO2004026773A1 Method for advanced wastewater treatment without excess sludge using sludge disintegration |
| 04/01/2004 | WO2003099722A3 Method for cooling or heating material flows |
| 04/01/2004 | US20040063193 Using bioxidation to degrade organic waste; bioremediation; biodegradation |
| 04/01/2004 | US20040060863 Time shifting cycle of reactor to use flash steam to inject in another reactor |
| 04/01/2004 | DE10244416A1 Suppression of floating sludge in biological wastewater treatment comprises using a flocculant comprising a polymerized metal hydroxide compound and a quaternized amine |
| 03/31/2004 | EP1403316A1 AMPHOTERIC WATER−SOLUBLE POLYMER DISPERSION AND USE THEREOF |
| 03/31/2004 | EP1403223A1 Sludge concentrating method and device |
| 03/31/2004 | EP1403222A1 Method of anaerobically treating organic material and anaerobic treatment apparatus |
| 03/31/2004 | EP1252108B1 Water and wastewater treatment process for contaminant removal |
| 03/31/2004 | EP1218299A4 Anionic and nonionic dispersion polymers for clarification and dewatering |
| 03/31/2004 | EP1154958B1 Method for conditioning sludge |
| 03/31/2004 | CN2608495Y Automatic casing breaking methane generating pit |
| 03/31/2004 | CN1485288A Small-size rural automatic septic tank |
| 03/30/2004 | CA2201420C Process and apparatus for the conversion of sludges |
| 03/25/2004 | WO2004024640A1 A method for digestion of sludge in water purification |
| 03/25/2004 | WO2004024632A2 Felt type sludge dewatering system |
| 03/25/2004 | US20040058075 Dry end surface treatment using ultrasonic transducers |
| 03/25/2004 | US20040055970 Combustion of waste prevents piping of combustion furnace from blocking interiors; pollution control |
| 03/25/2004 | US20040055961 Ballasting with micro-sand or other dense granular material using liquid cyclone treatment; pollution control |
| 03/25/2004 | DE10243541A1 Activated sludge treatment zone separates sludge into lighter fraction and heavier fraction from which sludge is returned to the activated process stage |
| 03/25/2004 | CA2497283A1 A method for digestion of sludge in water purification |
| 03/24/2004 | EP1399388A1 Polysaccharides with oxime or amine functions which are used for water treatment and sludge conditioning |
| 03/24/2004 | EP1399234A1 Method and apparatus for clarifying a slurry |
| 03/24/2004 | EP1399233A1 Method and apparatus for clarifying and/or thickening a slurry |
| 03/24/2004 | EP1399193A2 Automated peritoneal dialysis system and process with in-line sterilization of dialysate |
| 03/24/2004 | CN2607207Y Food refuse treater |
| 03/23/2004 | US6709602 Desorption; separation; critical temperature and pressure |
| 03/23/2004 | US6709601 Comprises hydrocyclone; oxidation; sewage treatment |
| 03/23/2004 | US6709594 Method for treating waste-activated sludge using electroporation |
| 03/23/2004 | US6709593 Problematic waste water containing organic impurities and absorbable organic halogen compounds is subjecting to an anaearobic treatment zone for degradatin and the digested sludge received from the zone is mechanically de-watered |
| 03/18/2004 | WO2004022673A1 Conversion of sludges and carbonaceous materials |
| 03/18/2004 | WO2004022510A1 Apparatus and method for producing matured compost-like substance |
| 03/18/2004 | WO2003062157A3 Unit for continous fermentation of hard biological waste |
| 03/17/2004 | EP1397482A1 Method and device for anaerobically fermenting organic material |
| 03/17/2004 | EP1397311A2 Device for thickening or dewatering sludge, watery sediments or the like, especially surplus sludge in sewage treatment plants |
| 03/17/2004 | EP1397310A2 Desludging device and method for desludging a liquid |
| 03/17/2004 | EP1397309A1 Treatment of organic waste and sludge |
| 03/17/2004 | EP1397202A1 Apparatus for treating fluids with ultrasounds |
| 03/17/2004 | EP1268717A4 Method of converting agricultural waste to liquid fuel and associated apparatus |
| 03/17/2004 | EP1105353B1 Device for transforming chemical structures in a fluid comprising a solvent and salts by ultrasonic action |
| 03/17/2004 | CN1482081A Multi-stage separation and concentration apparatus for sewage |
| 03/17/2004 | CN1481942A Cleaning and dechloridizing method for the chloric orgainc waste material |
| 03/17/2004 | CN1142121C Technological process of producing high-quality organic fertilizer with domestic garbage |
| 03/13/2004 | CA2401153A1 Methanogen fermentation process |
| 03/11/2004 | WO2004020345A1 Processes for treatment of wastewater, separation, deodorisation and re-use of biosolids |
| 03/11/2004 | US20040045905 Reuse of used cooking oil adsorbants |
| 03/11/2004 | US20040045885 Waste treatment system for treatment of organic waste and digested liquid thereof |
| 03/11/2004 | DE10242150A1 Process and assembly to condition sewage sludge by exposure to alternating current electrical field in conjunction with selected additives |
| 03/11/2004 | DE10238957A1 Reduction of hexavalent uranium concentration in running water, for purifying water e.g. from flooded uranium mine, waste-heap leachate or ground water, comprises use of mixture of chicken manure and feldspar in geochemical barrier |
| 03/11/2004 | DE10218377B4 Verfahren und Vorrichtung zur Schwerstoffabtrennung aus Aufschlämmungen Method and apparatus for heavy inert separation from slurries |
| 03/11/2004 | CA2496671A1 Processes for treatment of wastewater, separation, deodorisation and re-use of biosolids |
| 03/10/2004 | CN1481463A Process for recovering inorganic material from deinking sludge |
| 03/10/2004 | CN1481339A Sludge inerting method |
| 03/10/2004 | CN1480267A Biological treatment for organic garbage from dining room and kitchen |
| 03/10/2004 | CN1480266A Microbe hydrolytic reaction device for keratin waste |
| 03/10/2004 | CN1480265A Method for treating organic material without ferment process |
| 03/10/2004 | CN1141268C Biological decolouring method of azo dyes |
| 03/10/2004 | CN1141267C Process for treating oily mud by phase transfer method |
| 03/04/2004 | WO2004018937A2 Incinerating commode |
| 03/04/2004 | DE10152033B4 Vorrichtung zum Trocknen von Schlamm Apparatus for drying sludge |
| 03/04/2004 | CA2404486A1 Sludge treatment process by the combined action of pressure and electroosmosis |
| 03/03/2004 | EP1173719B1 Method for drying slurry, rinse water and industrial effluent and/or residues |
| 03/03/2004 | CN2605254Y Mud cleaning-up device |
| 03/03/2004 | CN1478760A Sludge fermentetion drying process for making fertilizer |
| 03/03/2004 | CN1478759A Sludge granuler fertilizer and its production process |
| 03/03/2004 | CN1478739A Sludge treatment method and its artificial wetland treatment pool |
| 03/03/2004 | CN1478738A 工业污泥处理剂及其应用 Industrial sludge treatment agent and its application |
| 03/03/2004 | CN1478611A Resources comprehensive treatment technology for organic waste material |
| 03/03/2004 | CN1140475C Toilet excrements treating process |
| 03/03/2004 | CN1140474C Method for denirifying from hydrazine hydrate salt mud |
| 03/03/2004 | CN1140360C Method and device for comprehensively treating life garbage, excrement, and sewage in urban area to make them become useful resources |
| 03/02/2004 | US6698365 Apparatus for thermal treatment using superheated steam |
| 02/26/2004 | WO2004016797A1 Method and apparatus for production of biogas from an organic material |
| 02/26/2004 | WO2004016796A1 Method and device for producing biogas |
| 02/26/2004 | WO2003035554A3 Improved methods, processes and apparatus for bio-solids recycling and the product of bio-solids from such methods, processes and apparatus |
| 02/26/2004 | WO2003002690A8 Process for flash carbonization of biomass |
| 02/26/2004 | US20040035788 Method for the gasification of liquid to pasty organic substances and substance mixtures |
| 02/26/2004 | US20040035785 Aerobic fermentation, biomass biodecomposition by microorganisms, carbonization, anaerobic fermentation; waste treatment |
| 02/26/2004 | US20040035018 Centrifuge for mechanical draining and thermal drying of sludges |
| 02/26/2004 | US20040034906 Incinerating commode |
| 02/26/2004 | DE20314637U1 Device for preparing aqueous organic emulsions used e.g. for cleaning oil/grease mixtures and used oil mixtures comprises a unit for producing electromagnetic waves using a magnetron |
| 02/26/2004 | DE19940994B4 Verfahren zum Abbau von Klärschlamm A method for degradation of sewage sludge |
| 02/25/2004 | EP1390666A1 Regenerative thermal waste incineration system |
| 02/25/2004 | EP1390307A1 Methods for controlling ignitability of organic waste with mineral by-products |
| 02/25/2004 | EP1390302A1 Process for hydrothermal treatment of materials |
| 02/25/2004 | CN1477164A Methane tank paint which cna be mixed with cement for use, its preparation methd leakage-proofing treatment method for surface of methane tank |