Patents for C02F 11 - Treatment of sludge; Devices therefor (21,423)
05/2001
05/10/2001DE19949142C1 Verfahren und Vorrichtung zur Entsorgung und Nutzbarmachung von Abfallgütern Method and apparatus for disposal and utilization of waste materials
05/10/2001CA2389696A1 Method for treating aqueous effluents containing peroxidized compounds
05/09/2001EP1097909A1 Mobile system for treating sludges or soils using quicklime and process
05/09/2001EP1097905A2 Membrane magnetic separating apparatus
05/09/2001CN2429526Y Methane generator
05/09/2001CN1294091A Process and equipment for treating organic waste water and sewage
05/09/2001CN1065515C Method for improving bottom and water quality in water areas and a set of agents used in method
05/09/2001CN1065513C Oxidation of ammonium ions and organic carbon in waste waters
05/08/2001US6228964 Flocculant for dewatering municipal sewage sludge
05/03/2001WO2001030708A1 Clarification treatment apparatus and method for clarification treatment
05/03/2001WO2001030473A1 Cyanide detoxification process
05/02/2001CN2428483Y Tube-type feeding-discharging domestic methane tank
05/01/2001US6224772 Aeration in turbulent fluid flow; vacuum degassing; discharging in sedimentation tanks; waste water purification
05/01/2001US6224769 Method and apparatus for treating organic waste water
04/2001
04/26/2001WO2001028939A1 A process for dewatering of sludge
04/26/2001WO2001028938A1 Method for treating sludge from purifying plants and implementing device
04/26/2001WO2001028931A1 Waste treatment process
04/25/2001EP1093438A1 Methods for thermally degrading unwanted substances using particulate metal compositions
04/25/2001CN2427521Y Marsh gas anaerobic fermentation tank
04/25/2001CN2427520Y Flow rate controllable type electronic accelerator used as sludge radiation device
04/25/2001CN1292769A Method of dewatering slurries using leaf filters (filter presses)
04/24/2001US6221261 Sewage treatment with oxygen and separtion from carbon monoxide
04/24/2001US6221002 Method to reduce hexavalent chromium in soils, sediments, industrial wastes and other contaminated materials using ascorbic acid
04/19/2001WO2001027222A1 Method for starting and operating a device for disposal and utilisation of waste materials
04/19/2001WO2001027173A1 Cationic latex terpolymers for wastewater treatment
04/19/2001WO2001027042A1 Fluid treatment apparatus
04/19/2001WO2001026767A2 Anaerobic digestion system and process
04/17/2001US6217778 Of industrial waste water, using a copolymer of (meth)acrylic acid and acrylamide, formed by free radical polymerization in the presence of a copolymer of an acrylic acid and 2-acrylamido-2-methyl-1-propanesulfonic acid
04/17/2001US6217768 Method for treating sludge from wastewater treatment
04/12/2001WO2001025709A1 Batch sludge dehydrator
04/12/2001WO2001025156A1 Cationic polymers for sludge dewatering
04/12/2001WO2001024604A1 Closed and energetically integrated process (cei process for the treatment of animal wastes (purines)
04/11/2001EP1090886A2 A method of treating sludge and a method of treating organic waste water comprising the same
04/11/2001EP1090664A1 Discharge of floating sludge
04/11/2001EP1090151A1 Process for separation of heavy metals from residues by use of of ethylenediamine-disuccinic acid (edds) complexant
04/11/2001EP0737651B1 Method of anaerobic digestion of sewage sludge
04/11/2001CN2426478Y Baffle vertical pass sludge digestion device
04/11/2001CN1064335C Method for preparing mixed phosphate fertilizer from mud containing phosphor as raw material
04/10/2001US6214064 Process for making a fuel product from coal fines and sewage sludge
04/10/2001US6213029 Process and apparatus for treating process streams from a system for separating consituents from contaminated material
04/10/2001CA2138091C Anaerobic treatment of waste at ambient temperatures
04/10/2001CA2082311C Modular radiant plate drying apparatus
04/04/2001CN2425923Y Folding-board type vertical channel methane generation area mud back flow anaerobic digestion pool
04/04/2001CN1289737A Ceramics containing crystal of andalusite with rich aluminum content and manufacture thereof
04/04/2001CN1064025C Low temperature caustic sulfide set oxidation process
04/03/2001CA2160007C Process and device for processing and/or dewatering sludge liquor from waste water tanks, in particular small sewerage purification plants
03/2001
03/29/2001WO2001021532A1 Composition useful for conditioning sludge derived from the treatment of an aqueous medium and uses thereof
03/28/2001EP1086052A1 Method for treating humid waste containing an oxidable organic material
03/28/2001EP1085927A1 Method and apparatus for treating salt streams
03/28/2001CN1289314A Sludge filtration apparatus having chain-type belt press with fine fibers of synthetic resin joined thereon
03/27/2001US6207062 Comprising separation of a liquid phase and of a solid phase dispersed in liquid phase and adding chemical conditioning reagents and optionally of antifoaming agents, and injecting carbon dioxide
03/27/2001US6207015 Process for recovering raw materials from paper industry mechanical waste sludge
03/27/2001US6206658 Organic substance processing system and organic substance processing apparatus
03/27/2001US6206203 Apparatus and process for separating components of a treatment mixture from waste water treatment system
03/27/2001US6206091 Process and apparatus for treating waste
03/22/2001WO2001019954A1 Bioreactor for fermenting solids
03/22/2001WO2000071222A3 Drainage sludge dehydration and dry system
03/22/2001DE19944110A1 Dewatering of suspensions which are weak in shear, employs screw press operated at high speed in cross flow filtration to prevent filter cake formation, with solidification only at outlet
03/22/2001CA2384799A1 Bioreactor for fermenting solids
03/21/2001CN2424203Y Sequentially fermenting siphon dregs outlet groove shape methane tank
03/21/2001CN1288447A Dewatering of sludges deriving from paper industry
03/20/2001US6203722 For treatment of biological solids in sewage
03/20/2001US6203701 Process and apparatus for treating biosolids from wastewater treatment
03/20/2001CA2056889C A method of processing the wastewater-solids mixture that results from the production of paper and the use of this solids mixture
03/15/2001WO2001017917A1 Method for treating waste water in a biological sewage plant and device appropriate therefor
03/15/2001WO2001017915A1 A high pressure and high temperature reaction system
03/15/2001WO2001017914A1 Anionic and nonionic dispersion polymers for clarification and dewatering
03/15/2001WO2001017912A1 Method for conditioning slurry, liquid manor, human faeces that are collected in chemical toilets (portable toilets) or the like
03/15/2001WO2001017911A1 Method for the treatment of sewage sludge, liquid manure or the like by electrofloatation
03/15/2001WO2000043322A8 Sludge density measurement for controlling a sludge treatment stage
03/15/2001US20010000008 Method and apparatus for treating organic waste water
03/15/2001US20010000007 Solid liquid separation after aerobic biological treatment by precipitation into liquid and sludge; concentrating sludge and solubilizing by thermophilic bacteria; circulation
03/15/2001DE19943853A1 Bioreaktor zur Fermentierung von festen Stoffen Bioreactor for fermentation of solids
03/15/2001DE19942184A1 Verfahren zur Behandlung von Abwasser in einer biologischen Kläranlage und dafür geeignete Vorrichtung A method for treating wastewater in a biological sewage treatment plant and apparatus therefor
03/15/2001DE10004045A1 Treatment of chemical toilet effluent by electro-floatation and sedimentation reducing disposal costs
03/14/2001EP0894030B1 Process and apparatus for treating process streams from a system for separating constituents from contaminated material
03/14/2001CN2423283Y Marsh gas continuous generation device
03/14/2001CN1287539A Rapid coagulation-flocculation and sedimentation type waste water treatment method
03/13/2001US6200104 Automatic pneumatic pump system
03/08/2001WO2001016185A1 Polymerizate composition and a method for producing the same
03/08/2001WO2001016037A1 System and method for treating sludge in a wastewater facility
03/08/2001WO2001016032A1 Method for detoxicating harbour silt
03/08/2001WO2001015826A1 Sewage treatment apparatus
03/08/2001WO2001015823A1 Apparatus and method for removing contaminants from fine grained soil, clay and silt
03/08/2001WO1999054268A8 Method and apparatus for removing organic waste from water, effluent and sludge
03/08/2001CA2382851A1 Polymerizate composition and a method for producing the same
03/07/2001EP1081102A2 Method of treating silica-containing mud sludge
03/07/2001EP1081101A1 Process and device for drying sewage sludge
03/06/2001CA2001810C Rotary dryer and associated drying plant
03/01/2001WO2001014286A1 Method and device for promoting fermentation/composting
03/01/2001WO2001014261A1 Method of treating incineration ashes with sulfate reducing bacteria
03/01/2001WO2001014015A1 Method for biosolid disposal and methane generation
03/01/2001DE19941072A1 Polymerisatzusammensetzung und ein Verfahren zu dessen Herstellung Polymer composition and a process for its preparation
03/01/2001DE19940994A1 Verfahren zum Abbau von Klärschlamm A method for degradation of sewage sludge
02/2001
02/28/2001EP1078903A2 Human waste treatment system
02/28/2001EP1078888A2 Device for thickening or dewatering sludge, specially excess sludge from wastewater plants
02/28/2001CN1285319A Process for preparation of firming agent and the products made from said process directly
02/28/2001CN1062544C Method for making fertilizer by sewage treatment
02/27/2001US6193643 Decantation centrifuge with peripheral washing nozzles
02/23/2001CA2316065A1 Human waste treatment system