Patents for C02F 11 - Treatment of sludge; Devices therefor (21,423)
10/2002
10/23/2002EP1250360A2 Method for making hydrophobically associative polymers, methods of use and compositions
10/23/2002EP1250288A1 A method for treatment of hexavalent chromium compounds in waste water originating from processing of metals
10/23/2002CN1375553A Ferrous oxide theobacillus and sludge heavy-metal eliminating method therewith
10/23/2002CN1375468A Sludge extruding and heat treating process
10/23/2002CN1375360A Refuse closing and slowly burning treatment method
10/19/2002CA2345835A1 Dehydration unit
10/17/2002WO2002081384A2 Process for flocculating suspensions
10/17/2002WO2002081377A2 Method for utilizing liquied wastes in particular those that are toxic and harmful
10/17/2002US20020148778 Gas generated via anaerobic digestion of carbohydrate/sugar mixture in thermophilic digester having population comprising hydrolysis fermentation and methanogenic microorganisms; pasteurization
10/17/2002DE10117497A1 Agricultural sludge comprises given range of dry matter and pH prior to filtration and de-watering
10/16/2002EP1249431A2 Sludge drying plant
10/16/2002EP1249279A1 Installation for the elimination of atmospheric emissions of organic solvents used for paint thinning
10/16/2002CN2516545Y Water sieve plate for sludge and await treatment filth
10/16/2002CN2516284Y Device for treatment of dung of livestock and fowls
10/16/2002CN1374154A Triphase solid-liquid-gas treatment method for city refuse resource
10/16/2002CN1092611C Method and apparatus for drying sludges
10/15/2002US6464883 Remover of fluoride ion and treatment method for wastewater containing fluoride ion using the same
10/15/2002US6464874 Biological sludge and calcium-containing chemical sludge for both organic matters and fluorine in only one reaction tank
10/15/2002US6464861 Apparatus for treating flora and fauna waste with hydrothermal reaction
10/15/2002US6464155 Method of processing animal waste and parts
10/11/2002CA2343832A1 Waste treatment system
10/10/2002WO2002079351A1 Process to dewater a soot water slurry obtained in a gasification process
10/10/2002WO2002079345A1 Method for treating possibly contaminated biological material prior to a pyrolysis process
10/10/2002WO2002049973A3 Method and apparatus for drying and incineration of sewage sludge
10/10/2002US20020144957 Method of treating waste-activated sludge using electroporation
10/10/2002US20020144940 Waste water treatment method and apparatus
10/10/2002DE10115179A1 Verfahren und Messanordnung zur automatischen Bestimmung des Aufkonzentrierungsfaktors von konditioniertem Klärschlamm Procedures and measuring system for the automatic determination of the concentration of conditioned sludge
10/09/2002CN2515199Y Top flow type vertical pipe bundle sludge treatment device
10/09/2002CN1373096A Process for treating oily mud by phase transfer method
10/09/2002CN1092153C Method for treating aqueous media contg. organic materials and hydrothermal reaction apparatus
10/09/2002CN1092151C Wet oxidizing process
10/09/2002CN1092149C Method of treating sludge contg. arsenic
10/08/2002US6461507 Continuous squeeze-dewatering device
10/03/2002WO2002076894A1 Composition that can be used for conditioning sludge
10/03/2002WO2002076891A2 Method for conditioning or dewatering sludge derived from the paper industry or agri-industry
10/03/2002WO2002076890A2 Method and measuring device for automatically determining the concentration factor of conditioned sewage sludge
10/03/2002WO2002076572A1 Apparatus for filtering suspended solid in water
10/03/2002US20020141918 Domestic/agricultural waste treatment
10/02/2002EP1244601A1 Waste treatment process
10/02/2002EP0886599B1 Off-shore sewage treating and handling apparatus and method
10/02/2002DE10113359A1 Organic waste treatment comprises compressing waste into granules or particles, and applying heat, to make waste hygienic
10/02/2002CN2513992Y Device for collecting methane
10/02/2002CN2513991Y Full-automatic circulation, shell breaking, residue-removing methane tank
10/02/2002CN1372496A Sewage treatment apparatus
10/02/2002CN1371883A Method for firing building material products by utilizing contaminated river bottom mud
10/02/2002CN1371877A Method for preventing and controlling sand by utilizing urban organic wastes
10/02/2002CN1371876A Mud concentrated dehydration treatment equipment
10/02/2002CN1371768A Dry method for alkaline residue
10/02/2002CN1371765A Method for removing deposited slag from crude oil trough and recovering oil from it
10/02/2002CN1091753C Method for treating and utilizing human excrement from urban districts
10/02/2002CN1091752C Post-dosing centrifugal dewatering technology for slurry machine used in minicipal engineering
10/01/2002US6458277 Method and apparatus for cleaning products containing heavy metals
09/2002
09/26/2002WO2002074703A1 Method and device for fluid treatment
09/26/2002WO2002074436A1 Apparatus for treating fluids with ultrasounds
09/26/2002US20020134019 Biomass gasification system and method
09/25/2002EP1243563A2 Treatment of water containing organic wastes with aromatic amine nitrate salts
09/25/2002EP1242316A1 Cationic polymers for sludge dewatering
09/25/2002CN1371392A Polymerizate composition and method for producing the same
09/25/2002CN1371344A Organic waste material treatment process
09/25/2002CN1371310A Apparatus and method for removing contaminants from fine grained soil, clay and silt
09/25/2002CN1370637A Harmless treating and resource utilizing method for waste salt-containing drilling slurry in oil field
09/25/2002CN1370636A Organic matter treater
09/25/2002CN1370634A Garbage recovering apparatus
09/24/2002US6454944 Process and apparatus for conversion of biodegradable organic materials into product gas
09/24/2002CA2235523C Method of treating sludge containing arsenic
09/24/2002CA2108142C Zirconium oxide ceramics for surfaces exposed to high temperature water oxidation environments
09/21/2002CA2376731A1 Treatment of water containing organic wastes with aromatic amine nitrate salts
09/19/2002WO2002072485A2 Methods and apparatus for biological treatment of waste waters
09/19/2002WO2002072271A1 Grinding and dewatering device for organic waste products
09/19/2002WO2002072205A2 Method for increasing the dry residue in wet-processed cyclone dust of the chlorination of titanium ore
09/19/2002US20020130086 Adding to sludge flowing in a sludge treatment line a flocculating agent for flocculating materials such as dissolved solid, suspended solid or fine floating solid in sludge in the midway of sludge treatment line; stirring
09/19/2002US20020130085 Contacting matter with a substrate modified with complexing element(s) selected from Group IIIB, lanthanides, and Group IVB elements for remediating matter by removing phosphorus and oxyanion pollutants
09/19/2002DE10111895A1 Verfahren zur Erhöhung des Trockenrückstandes bei aufgearbeitetem Zyklonstaub A method for increasing the dry residue at reclaimed cyclone dust
09/19/2002CA2476614A1 Methods and apparatus for biological treatment of waste waters
09/18/2002EP1240346A1 Method and device for producing biogas, which contains methane, from organic substances
09/18/2002EP1240109A1 Methods for treating wastewater sludge
09/18/2002EP1240108A1 Method and installation for treating effluents, comprising an additional treatment of the sludge by ozonisation
09/18/2002CN2511678Y Marsh gas generator
09/18/2002CN1369466A Process for treating pollution of livestock or fowls dung or droppings ini stock land
09/18/2002CN1369445A Process for treating sewage to generate active mud and extract protein
09/18/2002CN1369442A Process for treating acidic sewage with high-density mud
09/18/2002CN1369331A Fermentation treatment process for organic wasted object and utilized article of said fermentation treatment object
09/17/2002US6451213 Methods and apparatus for de-watering sludge
09/17/2002US6451164 Adding an effective water-removal rate enhancing amount of an alkyleneamine to the lime mud prior to filtration
09/17/2002CA2104865C Bacterial leaching process
09/12/2002US20020124780 Method and apparatus for drying and incineration of sewage sludge
09/12/2002DE10110603A1 Method for reducing sewage sludge involves application of ozone and utilization of a biological process at temperatures above a specified limit
09/10/2002US6447687 Dewatering of sewage sludge
09/10/2002US6447686 Rapid coagulation-flocculation and sedimentation type waste water treatment method
09/10/2002US6447683 Feeding to thermophilic anaerobic reactor, feeding to mesophilic reactor
09/06/2002WO2002068086A1 Method and system for processing waste
09/05/2002US20020121564 Using of a rapidly rotating pipe-head formation, having a head with radial openings and radial wings, for mechanically disintegrating biogenic sewage sludge.
09/05/2002US20020121475 Intergranular etching; immersing in plating solution con-taining hydrogen peroxide, sulfuric acid or a sulfonic acid, five membered nitrogen heterocyclic compound and such as triphenyl sulfonium chloride
09/05/2002DE10109771A1 Vorrichtung zum Trocknen von Schlickstoffen Device for drying materials Schlick
09/05/2002DE10107712A1 Biofuel production involves returning methane from sludge gasification reactor to sludge anaerobic treatment stage, where it is mixed with nascent biogas
09/05/2002DE10061386A1 Verfahren und Vorrichtung zur überkritischen Nassoxidation Method and apparatus for supercritical wet oxidation
09/05/2002DE10056957C1 Verfahren zum Herstellen nichtoxidischer Keramiken A method for producing non-oxide ceramics
09/04/2002EP1236690A1 Device for mixing and drying sludges
09/04/2002EP1236015A1 Batch sludge dehydrator
09/04/2002CN2509185Y Methane tank