Patents for C02F 11 - Treatment of sludge; Devices therefor (21,423)
08/2003
08/28/2003US20030160002 Polystyrenesulfonic acid; sludge dehydration agent
08/28/2003US20030159309 Device and method for treating a refuse material containing hydrocarbons
08/28/2003DE20220439U1 Receiving unit for treating and/or storing sewage sludge, consists of a chamber with a filling opening, a filling unit, a pipe and a silo
08/27/2003EP1338208A1 Method for producing KOJI feed composition using oils
08/27/2003EP1337607A1 Method for the gasification of liquid to pasty organic substances and substance mixtures
08/27/2003EP1337327A1 Process for treating a solid-liquid mixture
08/27/2003EP1337309A1 Method and apparatus for processing wet material
08/27/2003CN2568647Y Mud dewatering appts.
08/27/2003CN2568646Y Rotary drum sludge concentrating and dewatering integrated machine
08/27/2003CN2568645Y Biological treatment appts. for living garbage
08/27/2003CN2568644Y Organic garbage treatment machine with improved structure
08/27/2003CN2568643Y Spirally conveying and squeezing integrated machine
08/27/2003CN1438189A Deodourizing and disinfeting utilization of sludge from city waste-water treatment plant
08/27/2003CN1119299C House refuse and sewage source head comprehensive zero tendency treatment method and its system
08/27/2003CN1119290C Liquid decontamination system and method using electrical discharge with gas injection
08/26/2003USRE38238 Method for treating wastewater sludge
08/21/2003WO2003068695A1 Gravity type thickener, gravity type thickening method, coagulant adding device, and coagulant adding method
08/21/2003WO2003068691A1 Method for the treatment of slurries by the combined action of pressure and electro-osmosis
08/21/2003WO2003068324A1 Organic contaminant removal from sludge by targeted catalysis
08/21/2003US20030157215 Recycling garbage waste from the food processing industry, by immersing in a heated oil and adding koji mold to ferment, drying the waste with heat exchanging from fermentation; recycling of distillatory still effluents to animal feeds
08/21/2003US20030155295 Sludge treatment at a mesophilic temperature
08/20/2003CN2567211Y Pressure testing equipment for methane tank
08/20/2003CN2567210Y Combined separated float cover type methane generating apparatus made of glass fibre reinforced plastics
08/20/2003CN1437568A Composting system
08/20/2003CN1437564A Process for production of hydrogen from anaerobically decomposed organic material
08/20/2003CN1437502A Apparatus for electrodewatering
08/20/2003CN1436742A Calibration of stirrer for sludge digesting tank
08/20/2003CN1436734A Crystallizing treatment process and unit for heavy metal sludge
08/20/2003CN1118435C 水处理装置 Water treatment plant
08/19/2003US6608184 Such as fatty oil and acids, glycerol, glycols, lactic acid, urea, fertilizer, carbohydrates, ethanol, by concentrating and filtering out the solid sewer sludge, hydrolysis of the cellulose in sludge and fermentation, recovery
08/14/2003WO2003066837A1 Pseudomonas sp. fk 916 producing decomposition enzyme of organic matter and method for decomposition of organic waste using the same
08/14/2003WO2003065796A2 Coated clumping litter
08/14/2003US20030152426 Process for the solvent extraction for the radiolysis and dehalogenation of halogenated organic compounds in soils, sludges, sediments and slurries
08/14/2003US20030150803 Clogging of the supply line for oxygen-containing gas is prevented and the digestion can be performed efficiently in a steady manner over a prolonged period of time.
08/14/2003US20030150801 Using a bacterial culture having the ability to grow on petroleum hydrocarbons as sole carbon source and having been isolated from a hydrocarbon contaminated soil or hydrocarbon-containing sludge
08/14/2003US20030150789 Apparatus for electrodewatering
08/13/2003EP1333905A1 Methods of enhancing fine particle dewatering
08/13/2003EP1115663A4 Method of dewatering difficult sludges
08/13/2003CN2565818Y Axial fitting type speed reducing mechanism of mud scraper
08/13/2003CN2565817Y Scraping device of mud scraper
08/13/2003CN2565816Y Special equipment for separating oil and mud
08/13/2003CN1436153A Device and method for treating refuse material contg. hydrocarbons
08/13/2003CN1435283A Kitchen refuse treating machine
08/13/2003CN1435274A Stirring heat transfer device
08/13/2003CN1117948C Co-combustion of waste sludge in municipal waste combustors and other smelting furnace
08/12/2003US6605674 Structurally-modified polymer flocculants
08/12/2003CA2371396A1 Process for the dehydration and depollution of sludge by the combined action of pressure and electro-osmosis
08/07/2003WO2003064336A1 Method of dewatering sludge using enzymes
08/07/2003WO2003064004A1 Method and apparatus for cleaning the exhaust gases of a bio-oxidizer
08/07/2003US20030148100 Coated clumping litter
08/06/2003EP1332122A1 Improved organic material treatment apparatus, system and method
08/06/2003EP1332115A1 Improved processes and apparatus for treating sewage or like sludge
08/06/2003CN2565240Y Integrated device for condensating squeezing and dewatering
08/06/2003CN2564571Y Integrated treater for liquid and viscous sewage
08/06/2003CN2564570Y Water distributing sand removing device for square horizontal flow sand precipitation tank
08/06/2003CN2564569Y Mud scraper for circular precipitation tank
08/06/2003CN1433979A Environment protection type excrement and urine treatment machine
08/05/2003US6602417 Process for the treatment of waste water containing specific components e.g. ammonia
07/2003
07/31/2003WO2003062157A2 Unit for continous fermentation of hard biological waste
07/31/2003WO2003061863A1 Organic waste treating device
07/31/2003WO2002050214A3 Biomass gasification system and method
07/31/2003US20030141256 Method of dewatering sludge using enzymes
07/31/2003US20030141255 Adding cellulolytic enzymes to sludge; adding peroxidases to sludge to form mixture of water and and coagulated and flocculated solids; separating coagulated and flocculated solids from the water
07/30/2003EP1331442A1 Apparatus for thermal treatment using superheated steam
07/30/2003EP1331034A1 Apparatus for processing food waste
07/30/2003CN2563152Y Thermal combustion power generation comprehesive system of agricultural and livestock faeces compost fermented methane
07/30/2003CN1432541A Leftover processing process and apparatus for sweet potato after producing starch
07/24/2003WO2003059825A1 Method for treating sludge and waste derived from wastewater treatment
07/24/2003US20030138365 Pyrolysis system
07/24/2003US20030136733 Waste treatment by add solubilizers, applying ultrasonic waves, depressurizing swelling treatment, microbial treatment, dephosphorization, denitrification
07/24/2003US20030136317 Apparatus for thermal treatment using superheated steam
07/24/2003US20030136273 Apparatus for processing food waste
07/24/2003US20030136165 Method for disinfecting and stabilizing organic wastes with mineral by-products
07/23/2003EP1329427A2 Sludge dewatering device and process
07/23/2003EP1329426A1 Method and device for reducing volume of excess sludge
07/23/2003CN2561791Y Quick replacing device for scrapers of belt press
07/23/2003CN1431974A Treatment of mineral materials
07/23/2003CN1431159A Technique of two steps of anaerobic digestion for handling city garbage
07/23/2003CN1115201C Oil-sand separating and treating appts.
07/17/2003WO2003057381A1 Decomposition device of organic waste and automatic cleaning system thereof
07/17/2003US20030135083 Introducing the biosolids into an underground natural gas formation at a pressure sufficient to create and maintain fractures within the formation; and allowing degradation of the introduced biosolids.
07/16/2003EP1327641A1 Polymeric flocculant and method of sludge dehydration
07/16/2003EP1165402B1 Rosette having radially deflectable finger ends for holding disc shaped elements
07/16/2003CN2560639Y Internal-circulating refuse treating machine
07/15/2003US6592767 Occurring in the biological treatment of aqueous organic wastes; plurality of ozone treating reactors in series, agitation of the biosludge under a pressurized condition
07/10/2003WO2003055811A1 Method for treating organic sediments of sewage water
07/10/2003US20030127391 Antifouling agents, antiscaling agents, corrosion resistance;controlling filter membrane flux
07/09/2003EP1325890A1 Process to remove an aqueous sludge suspension consisting of shot-blasting abrasives and coatings residuals
07/09/2003EP1325766A2 Waste processing method and waste processing apparatus
07/09/2003EP1324954A1 Method and apparatus for sludge drying and simultaneous pelletization
07/09/2003EP1289623A4 Apparatus for electrodewatering
07/08/2003US6590051 High molecular weight zwitterionic polymers
07/03/2003WO2003053863A1 Separation processes and apparatus
07/03/2003WO2003053859A1 Fractional deionization process
07/03/2003WO2003053858A1 Method for treating raw condensates derived from sludge drying and installation therefor
07/03/2003WO2003018488A3 Sludge treatment method
07/03/2003US20030121851 Sizing; mixing with base; thermal hydrolysis; forming methane
07/03/2003US20030121452 High surface area incineration product
07/02/2003CN2558654Y Integral sludge concentrating dewatering machine with vertical filter belt preconcentrating structure
07/02/2003CN2558653Y Methane producing storage device