Patents for C02F 11 - Treatment of sludge; Devices therefor (21,423)
05/2005
05/03/2005US6887389 Recycling of wastes by blending with calcium oxide in hoppers, then drying and combustion to form gases and ashes, which can be reused as binders or fillers in cements
04/2005
04/28/2005WO2005038408A2 Mixed liquid separator
04/28/2005WO2005037714A1 Method for treatment of sludge
04/28/2005WO2005012191A3 System and method for enhanced wastewater treatment
04/27/2005EP1141177A4 Gasification of biosludge
04/27/2005CN1609009A Scruff collecting method in processing sewage
04/27/2005CN1609004A Process of producing iron oxide red with waste iron ore slime
04/27/2005CN1608973A Culture process of high temperature anaerobic hydrogen-generating granular sludge
04/26/2005US6884355 Process for treating organic wastewater and apparatus for treating the organic wastewater
04/26/2005US6884347 Wastewater treatment system
04/21/2005WO2005035697A1 Methods and systems for dewatering and gasification
04/21/2005WO2005035693A2 Production of biodiesel and other valuable chemicals from waste water treatment plant sludges
04/21/2005US20050084433 Treatment of a titanium tetrachloride-containing waste stream
04/20/2005EP1289623B1 Apparatus for electro-dewatering
04/20/2005CN2693762Y Glass reinforced plastic biomass pool
04/20/2005CN2693761Y 沼气发酵罐 Biogas fermenter
04/20/2005CN2693760Y Circular arch type single well top three-lattice septic tank
04/20/2005CN1608035A Method and device for treating hydrophilic sludge by hydraulic turbulence effect combined with oxidation and chemical reactions by additive input
04/20/2005CN1197794C Oil-containing sludge treating method
04/20/2005CN1197789C Method for treating waster water of cane mill by biological bacteria
04/20/2005CN1197665C Environment protection type excrement and urine treatment machine
04/19/2005US6881332 Sewage treatment apparatus
04/14/2005WO2005033024A1 Dewatering treatment system and method
04/14/2005WO2005033023A1 Sewage treatment
04/14/2005WO2005032605A1 Deodorant and process for producing the same
04/14/2005WO2005032604A1 Deodorant and process for producing the same
04/14/2005WO2004016796A9 Method and device for producing biogas
04/14/2005US20050077245 Treating a sludge in moderately acid medium (ph 3.0-5), with an inorganic acid and two oxidizing agents, i.e., a ferric iron salt and hydrogen peroxide, flocculating the stabilized sludge having a pH between 4.0 and 5.0 by addition of an organic polymer, and dehydrating
04/14/2005US20050077238 For enhancing process control, mixing, sludge circulation, and foam/froth control in large-volume, tall, cylindrical and egg-shaped digesters
04/14/2005US20050077236 Including a pathogen reduction stage in which raw sludge is incubated for a predetermined incubation period at a temperature in mesophilic temperature range in a plurality of sequential vessels and discharged after spending a predetermined residence time in each vessel
04/14/2005DE10343602A1 Vorrichtung und Verfahren zur Behandlung eines Mediums wie Abwasser, Klärschlamm oder dergleichen Device and method for treating a medium such as waste water, sewage sludge or the like
04/13/2005EP1522529A1 Device for using liquid waste
04/13/2005EP1522528A1 Disintegration of anaerobically digested sewage sludge
04/13/2005CN2692140Y Composite type glass fiber reinforced plastic biogas pool
04/13/2005CN2692139Y Biogas power machine set
04/13/2005CN2691249Y Energy source ecological system for country-side of north china
04/13/2005CN1606536A Organic material treatment apparatus, system and method
04/13/2005CN1606533A Method of treating organic wastewater and sludge and treatment apparatus therefor
04/13/2005CN1605611A Dirty oil sludge decomposer
04/13/2005CN1605573A Disintegration of anaerobically digested sewage sludge
04/07/2005WO2005030659A1 Device and method for the treatment of a medium such as effluent clarifier sludge or similar
04/06/2005EP1519901A1 Method and device for the transport of sludge from a sewage water treatment installation to a drainage and composting container
04/06/2005EP1519897A1 Aluminium sulphate compositions containing polynuclear complexes and a method of producing the same and the use thereof
04/06/2005EP1198423A4 Reclamation of materials in a closed environment with remedial water
04/06/2005EP1194383B1 Device for dehydrating sludge
04/06/2005CN2690393Y Assemblied methane pool
04/06/2005CN2690392Y Reaction tank for producing methane by fermentation method
04/06/2005CN1603257A Method for preparing chemical active sludge and processing domestic sewage using the same
04/06/2005CN1603256A Method for activating precipitated sludge and reinforced processing domestic sewage using the same
04/06/2005CN1603247A Electric waterless treatment of human excrement and public lavatory used diving pump urine pumping feces flushing engineering
04/06/2005CN1603244A Preparation method of sludge adsorbent and method for intensified processing domestic sewage using the same
04/06/2005CN1195711C Preparation method of compost
04/06/2005CN1195688C City domestic garbage treating process
04/06/2005CN1195685C Water treatment apparatus
04/05/2005CA2188518C Hydrophobically modified polymers for sludge dewatering
03/2005
03/31/2005WO2005028375A1 Method and device for the comminution of particulate organic substances in suspensions of microorganisms
03/31/2005WO2005028133A1 Decontaminating agent for, contaminated with hexavalent chromium, soil/groundwater and bottom sediment, and method of decontamination therewith
03/31/2005US20050067355 Sludge concentrating method and device
03/30/2005EP1518610A2 Sifting screen
03/30/2005CN2688698Y Purifier for trip biological degradation sludge gas fermentation and living industrial sewage
03/30/2005CN2688697Y Oblate spheroid plastic sludge gas pool
03/30/2005CN1194924C Sludge handling and feeding system
03/30/2005CN1194910C Improved oxidation channel city sewage treamtent process
03/30/2005CN1194908C River mud repair material for sewage treatment
03/30/2005CN1194907C Preparation of river mud repair material for sewage treatment
03/29/2005US6872779 Polymeric flocculant and method of sludge dehydration
03/29/2005US6872312 Method of using high molecular weight water soluble polymers in membrane bioreactor systems
03/29/2005US6871744 Apparatus for electrodewatering
03/24/2005US20050064599 Using assay to detect and quantify presence of metal waste in liquid
03/24/2005US20050061001 Streamlined methane gas generation system
03/24/2005DE10343748A1 Process and assembly to break down suspended organic cell residues arising from activated sludge treatment by brief acceleration through pipe constriction
03/23/2005EP1515916A1 Waste water purification apparatus and waste water purification method including the regeneration of used coagulant
03/23/2005CN2687116Y Efficient sewage treatment and methane generator
03/23/2005CN2687115Y Digestion tank with biological sewage oxidation function
03/23/2005CN1597580A Application of trimmed grass of urban plant in digestion of urban sewage treatment plant
03/23/2005CN1597579A Well drilling waste sludge environmental protection treatment agent and waste sludge treatment technology
03/23/2005CN1597555A Treatment method of chromium containing effluent waste slag
03/23/2005CN1193834C Method for integrative use of industrial waste residue, solidifying treatment of electroplating mud
03/22/2005US6869539 Reclamation of materials in a closed environment with remedial water
03/17/2005WO2005024134A1 Dry end surface treatment using ultrasonic transducers
03/17/2005WO2005023997A1 Novel microorganism and method of treating organic solid matters with the use of the microorganism
03/17/2005WO2005023885A1 Powdery, water-soluble cationic polymer compositions, method for the production and use thereof
03/17/2005WO2005023884A1 Powdery, water-soluble cationic polymer composition, method for the production and use thereof
03/17/2005US20050056229 Coated clumping litter
03/17/2005DE10337764A1 Pulverförmige, wasserlösliche kationische Polymerzusammensetzung, Verfahren zu ihrer Herstellung und ihre Verwendung Pulverulent, water-soluble cationic polymer composition, process for their preparation and their use
03/17/2005DE10337763A1 Pulverförmige, wasserlösliche kationische Polymerzusammensetzung, Verfahren zu ihrer Herstellung und ihre Verwendung Pulverulent, water-soluble cationic polymer composition, process for their preparation and their use
03/17/2005DE10262031B4 Activated waste water treatment basin has pre-programmed pivoting wall-mounted sludge skimmer with sludge measuring sensor
03/17/2005CA2535653A1 Novel microorganism and method of treating organic solid matters with the use of the microorganism
03/17/2005CA2532953A1 Powdery, water-soluble cationic polymer compositions, method for the production and use thereof
03/17/2005CA2532792A1 Powdery, water-soluble cationic polymer composition, method for the production and use thereof
03/16/2005CN2685331Y Deodorizing integral belt type press filter
03/16/2005CN2685330Y Methane tank
03/16/2005CN2685329Y Septic-tank
03/16/2005CN1594225A Series special fertilizer prepared by urban sludge and its preparation method
03/16/2005CN1594148A Oil containing sludge treating apparatus
03/10/2005WO2005021444A1 Process obtaining landfill disposable waste from hydrocarbon containing sludge
03/10/2005US20050051500 Slurrying the slag with water, successive filtration through two screens to get a carbon content below 5 percent
03/10/2005CA2484311A1 Device for utilization of organic waste material, particularly animal by products
03/09/2005EP1511776A1 A water-soluble polymer dispersion and a method of producing a water-soluble polymer dispersion
03/09/2005EP1511692A2 Method for cooling or heating material flows