Patents for C02F 11 - Treatment of sludge; Devices therefor (21,423)
08/2001
08/16/2001WO2001058815A2 Method and device for drying liquid to damp substances which have already been subjected to preliminary dehydration
08/16/2001US20010013497 Treatment plant for processing animal wastes produced in a confined animal growing are
08/16/2001US20010013238 Low analysis organic waste slurried with water then reacted with base and acid; melt is sprayed into granulator and dried; increased plant nutrient value
08/16/2001EP1123723A1 Plant for separating solid particles from a liquid phase
08/16/2001EP1123478A2 Co-combustion of waste sludge in municipal waste combustors and other furnaces
08/16/2001DE10005165A1 Verfahren und Vorrichtung zum Trocknen vorentwässerter flüssiger bis feuchter Substanzen Method and apparatus for drying moist substances to liquid vorentwässerter
08/15/2001CN2442993Y Light composite material methane tank
08/15/2001CN1308040A Method of producing organic or inorganic magnetic composite fertilizer with active mud and product
08/14/2001CA2051003C Caustic sulfide wet oxidation process
08/09/2001WO2001056939A1 Method for treating oil-containing sludge
08/09/2001WO2001056938A1 Process for production of hydrogen from anaerobically decomposed organic material
08/09/2001US20010011646 Methods of treating manure
08/09/2001DE10005859A1 Dewatering water-containing sediments on- and off-site comprises combining an electro-osmotic dewatering process with horizontal filter technology and/or boring process and adjusting alkali level
08/02/2001WO2001055033A2 Water and wastewater treatment system and process for contaminant removal
08/01/2001EP1119598A1 Method and plant for composting and drying organic material
08/01/2001EP0958332B1 Process and device for processing of biological residual material, in particular sludge
08/01/2001CN1306498A Method for treating humid waste contg. oxidable organic material
07/2001
07/31/2001CA2229761C Biodegradation of oil sludge
07/26/2001WO2001053510A1 Method and device for producing biogas, which contains methane, from organic substances
07/26/2001WO2001053204A1 A method for treatment of hexavalent chromium compounds in waste water originating from processing of metals
07/25/2001EP1118671A1 Process and apparatus for the production of methane containing biogas out of organic material
07/25/2001EP1118367A1 Coagulation reaction device
07/25/2001EP1117617A1 Treatment of waste produced by farm animals raised under confined conditions
07/25/2001EP0996595B1 Method for treating biogenic residues
07/25/2001CN1305436A Methods for thermally degrading unwanted substances using particulate material compositions
07/25/2001CN1304971A Process for aggregating and separating ash in oily mud of oil refinery
07/25/2001CN1304910A Process for preparing fertilizer by non-harmful treatment, fermentation and hydrolysis of sludge, excrement and urine
07/25/2001CN1304890A Three-phase separation process for oily mud in oil refinery
07/24/2001US6264844 Supercritical water oxidation process and apparatus of organics with inorganics
07/18/2001EP1116694A2 Catalyst for treating waste water, method for preparing the same and process for treating waste water
07/18/2001EP1115665A1 Waste treatment by adding at least an alkaline reagent
07/18/2001EP1115663A1 Method of dewatering difficult sludges
07/18/2001CN1303822A Treatment method of oily waste kesiduum
07/18/2001CN1303591A High-effective multilayer breeding farm
07/17/2001US6262168 Aqueous dispersions
07/17/2001US6260714 Sludge filtration apparatus having chain-type belt press with fine fibers of synthetic resin joined thereon
07/12/2001DE10002535A1 Assembly for drying sludge has screw conveyors in parallel and vertical stack with heaters in troughs for effective drying where the sludge has a high contamination and water content
07/11/2001EP1114193A1 Method for heat-treating recyclings containing oil and iron oxide
07/11/2001EP1113998A1 Process for the treatment of waste water containing specific components, e.g. ammonia
07/11/2001EP0891305B1 Method and installation for solidifying large quantities of slurry-like materials
07/11/2001CN2438713Y Refuse fermentation microporous one-way air supply apparatus
07/11/2001CN1302769A Biochemical method for synchronously treating discharged sewage
07/11/2001CN1302699A Method and facilities for comprehensively treating life garbage, excrement, urine and sewage in urban area to make them become useful resources
07/10/2001US6258594 Human waste treatment system
07/10/2001US6258274 Method for reducing sludge within a river or the like
07/10/2001US6258018 Immobilizing leachable lead by contacting with a suspension of sulfates such as gypsum and then phosphates
07/05/2001DE19961437A1 Verfahren und Anlage zur Gewinnung von brennbarem Gas aus insbesondere Klärschlamm Method and apparatus for recovering combustible gas from sewage sludge particular
07/04/2001EP1112971A1 Method for producing a sulphur-free liquid organic fuel
07/04/2001EP1112970A1 Process and device for the production of combustible gas out of sewage sludge
07/04/2001EP1112968A1 Soil water activated sludge treating system and method therefor
07/04/2001EP1112231A1 Method and installations for treating effluents in small communities
07/03/2001US6254775 Anaerobic digester system and method
07/03/2001CA2012518C Process for the insolubilization and agglomeration of incineration fly ashes
06/2001
06/28/2001WO2001046281A1 Polymeric flocculant and method of sludge dehydration
06/27/2001CN1300715A Process for treating city sewage
06/26/2001US6251657 Culturing microorganism in aqueous medium of benzene and dissolved nitrate; efficient treatment of wastewater, groundwater, or slurry
06/21/2001WO2001043893A2 Treatment and disposal of ship bilges
06/21/2001DE19948549C1 Schwimmschlammabzug Floating sludge outlet
06/20/2001EP1107935A1 Method and apparatus for processing a watery substance with zeolites
06/20/2001CN2435392Y Kitchen refuse biological treatment machine
06/20/2001CN1299710A Digesting treatment of city domestic garbage and sludge
06/20/2001CN1067425C Method for changing organic waste into resources
06/14/2001WO2001042151A1 Methods for treating wastewater sludge
06/14/2001WO2001042150A1 Method and installation for treating effluents, comprising an additional treatment of the sludge by ozonisation
06/14/2001CA2393948A1 Methods for treating wastewater sludge
06/13/2001EP1105353A1 Device for transforming chemical structures in a fluid comprising a solvent and salts by ultrasonic action
06/13/2001EP1105352A1 Method for transforming chemical structures in a fluid under pressure and in high temperature and implementing device
06/13/2001CN1067034C Red mud recovery and utilization technology
06/12/2001US6245121 Method for treating aqueous liquid effluents containing organic and inorganic materials to enable recycling thereof
06/07/2001WO2001040318A2 Method for making hydrophobically associative polymers, methods of use and compositions
06/06/2001CN2433251Y Oleaginous sewage synchronous treatment machine
06/06/2001CN1297867A Screen filtering and dewatering process for dilute manure
06/06/2001CN1297792A City garbage treating method
06/06/2001CN1297791A Raw refuse decomposing and disposaling apparatus
06/05/2001US6241902 Methods and apparatus for de-watering sludge
05/2001
05/31/2001WO2001037961A2 Method for continuous processing of fluids using supercritical fluids and microwave energy
05/31/2001WO2001009280A3 Two-phase type methane fermentation reactor
05/31/2001DE10004590A1 Waste water treatment, especially for use in the paper industry, comprises pre-treatment, eg by filtration or complex-former addition, prior to multistage membrane filtration and combustion of residues
05/30/2001EP1102726A1 Method of liquefying microorganisms derived from biological wastewater treatment processes
05/30/2001EP0880484B1 A method and apparatus for treating liquid-containing material based on organic waste products
05/30/2001CN2432217Y Methane generating device
05/29/2001US6238568 Antideposit agents
05/29/2001US6238564 Sludge treatment method
05/29/2001US6237246 Treating sewage or like sludge
05/26/2001CA2315407A1 Method and apparatus for sewage water treatment using the biological activating system
05/24/2001US20010001457 Methods and apparatus for de-watering sludge
05/24/2001US20010001454 Process for controlling foam in a treatment reactor
05/23/2001EP1101739A1 Apparatus for treating flora and fauna waste with hydrothermal reaction
05/23/2001CN2431281Y Anaerobic dry fermentation treater for house refuse
05/22/2001US6233962 Channeled freeze processing of non-solid materials
05/17/2001WO2001034374A1 Screw press
05/16/2001EP1099713A2 Branched polyvinyl imidazoline acid salt, polymeric flocculant comprising same, and process for preparing same
05/16/2001EP1099020A1 A process for concentrating soluble and colloidal substances in process waters
05/16/2001EP1098856A1 Method for treating sludge
05/16/2001CN2430227Y Life organic garbage processor
05/16/2001CN1295543A Treatment of waste materials
05/16/2001CN1295035A Device for treatment of organics
05/10/2001WO2001033148A1 Channeled freeze processing of non-solid materials
05/10/2001WO2001032567A1 Method for treating aqueous effluents containing peroxidized compounds
05/10/2001WO2001032564A1 Method for treating effluents with a trisodium phosphate treatment, and filter press for implementing same