Patents for C02F 11 - Treatment of sludge; Devices therefor (21,423)
11/2000
11/28/2000US6153103 Method for the removal of ultrafine particulates from an aqueous suspension
11/28/2000CA2193557C A process for treating arsenic-containing waste water
11/23/2000WO2000070010A1 Method for treating biodigestible mixtures of solids and liquids
11/23/2000WO2000069780A1 Process control of the dewatering of sludge
11/23/2000WO2000069765A1 User-elevator interactive input device
11/23/2000DE19934381A1 Industrial sludge pelleting and drying process comprises adding dry material as pelleting aid, shaping to rounded pellets and drying to a specified residual moisture content
11/23/2000DE19923644A1 Water treatment, useful for decontamination of water, sewage slurry and water in soil, refuse or dump, uses finely ground and activated dense magmatic rock, which binds harmful matter and sinks
11/22/2000EP1053862A1 A machine for forming bundles of compacted objects inside a sack
11/22/2000CN2407002Y Pneumatic sludge lifting apparatus
11/22/2000CN1274336A Method and device for separating sludge-like material using stream of finely divided air bubbles
11/22/2000CN1273946A Process for treating sewage water and/or sludge
11/21/2000US6149880 Method and apparatus for treating aqueous medium containing organic matter
11/21/2000US6149765 Steam reforming, heating, injecting steam and depositing toxic wastes
11/16/2000DE19920285A1 Verfahren zur Behandlung von Schlämmen A method for treatment of sludge
11/16/2000DE19920010A1 Anaerobically digested sludge subjected to aerobic treatment reducing volume of sludge for final disposal and costs
11/15/2000EP1051248A1 Method for treatment of sludge from water works
11/15/2000EP1037710A4 Method and apparatus for lysing sludge and dividing solids in liquid suspension
11/15/2000EP0917541B1 Biodegradable complexing agents for heavy metals
11/14/2000US6146540 Dehydration of sludge by injecting sludge into a sequentially connected series of permeable bags and then squeezing the bags
11/14/2000US6146521 Apparatus and method for ozone-treating biosludges
11/14/2000US6146453 Method and apparatus for recovering and recycling sludge and product thereof
11/14/2000US6146133 Process for the recycling of residues for the production of portland cement clinker
11/14/2000US6145666 Cleansing contaminants from a heterogeneous material using a sorption agent
11/08/2000EP1050512A2 Process for treating sludge
11/08/2000EP1050511A2 Hydrothermal processing with phosphate additive
11/08/2000EP1049653A1 Thickening of aqueous mineral suspensions
11/08/2000EP1049652A1 Conditioning method for dehydrating clarification sludge
11/07/2000US6143176 By anaerobic digesting to form methane gas and a fermentation slurry; a hydrothermal treatment of the slurry to generate a solid char having high heat content, oils, and aqueous phase; separating the aqueous phase which is returned to digester
11/02/2000DE19919824A1 Combined oxidation and ultrasonic breaking down of environmentally unfriendly organo-tin compounds in liquids e.g. in ballast water from ships
11/02/2000DE19917164A1 Process and assembly to gauge the de-watering characteristics of a mixture of sludge and flocculant agent allows early assessment of treatment required
10/2000
10/31/2000US6139751 Separating heavy metals from mixture by treating with fructan derivative containing complexing groups selected from xanthates, xanthides and/or dithiocarbamates
10/31/2000US6139485 Demetallization of hazardous waste leachable lead at a wide range of ph
10/31/2000CA2126935C Method and apparatus for water decontamination using electrical discharge
10/26/2000WO2000063126A1 Automatic incinerator of human body's excrement applicable to toilet
10/26/2000WO2000063119A2 Equality velocity agitating type flocculator
10/25/2000EP1045817A1 Clarifier with sludge dewatering
10/25/2000CN1057746C Method for treatment of waste sacrose liquid
10/19/2000WO2000061504A2 System for collecting, transporting and recycling domestic sewage, biowastes, black waters and other biodegradable substances
10/19/2000WO2000061503A1 Soil water activated sludge treating system and method therefor
10/19/2000WO2000061501A1 Higher actives dispersion polymer to aid clarification, dewatering, and retention and drainage
10/18/2000EP1044170A1 Dewatering of sludge deriving from paper industry
10/18/2000EP1044162A1 Supercritical treatment of adsorbent materials
10/18/2000CN1270149A Reused aggregates for concrete and precast products of concrete
10/18/2000CN1270147A Method for treating dreg containing arsenic
10/18/2000CN1057508C Method for extracting chromium from chroming waste water and waste slag
10/17/2000US6132614 Modular wastewater treatment system
10/17/2000US6132600 Filtration and treatment system
10/17/2000US6132561 Contacting a contaminated soil sample with an extraction medium of a mixture of an alkane and a water miscible alcohol, thereafter subjecting the extraction medium containing the halogenated organic contaminants to ionizing radiation to
10/17/2000CA2074947C Process for oxidation of materials in water at supercritical temperatures
10/11/2000CN2400438Y Reciprocating submersible mud scraper
10/11/2000CN1269334A Simultaneous sludge dewatering and stabilizing ecological technology for sewage treatment plant
10/05/2000WO2000058230A1 Method of treating waste water
10/05/2000WO2000058229A1 Method of treating and utilizing sludge
10/05/2000DE19801735C2 Vorrichtung zur Konditionierung von Schlämmen und Reinigung von Schmutzwässern Apparatus for conditioning of sludge and cleaning of dirty water
10/05/2000DE10015441A1 Sludge treatment plant comprises electro-floatation basin, surface sludge removal system and sludge thermal aerobic stabilizing basin
10/04/2000EP1040087A1 Stabilized liquid lime dispersion for sewage treatment
10/04/2000CN2399386Y Automatic mixer for methane tank
10/03/2000US6126828 Method and apparatus for treating organic waste water
10/03/2000US6126827 A wastewater treatment including settling and separating solids from the liquid component, the separated solid portion is turned into a commercially composting material, biotreating liquid influent before discharging to the ground
09/2000
09/28/2000WO2000056671A1 Process and apparatus for the conversion of carbonaceous materials
09/28/2000WO2000056670A1 Method and device for sanitization of sludge in particular from purification plants
09/28/2000WO2000021893A8 Method for treating sludges and a device for carrying out said method
09/28/2000DE19913357A1 Pressing thin sludge from filter back-washing water of drinking water treatment plant involves adding rock flour, strongly cationic flocculant and optionally lime sludge
09/28/2000CA2367822A1 Process and apparatus for the conversion of carbonaceous materials
09/27/2000EP1038659A1 Continuous squeeze-dewatering device
09/27/2000EP1037710A1 Method and apparatus for lysing sludge and dividing solids in liquid suspension
09/26/2000US6123856 Flocculating system comprises a phenolic resin and a polyalkylene oxide flocculant
09/21/2000WO2000055507A1 Automatic pneumatic pump
09/21/2000WO2000055097A1 Method and apparatus for treatment of organic matter-containing wastewater
09/21/2000DE19910298A1 Verfahren sowie Anlage zum Entwässern von Schlamm Method and system for dewatering sludge
09/21/2000DE19910211A1 Verfahren zur Behandlung eines Salze enthaltenden wäßrigen Abfallstroms A process for treating a salt-containing aqueous waste stream
09/21/2000CA2367911A1 Method and apparatus for treatment of organic matter-containing wastewater
09/19/2000US6121179 Supercritical treatment of adsorbent materials
09/19/2000US6119375 Containment area process
09/14/2000WO2000053535A1 Recovery and utilization of the sludges contained in waste waters from the ceramic industry
09/14/2000WO2000053533A1 Method for treating an aqueous waste stream containing salts
09/13/2000EP1035077A1 Process and apparatus for the dewatering of sludge
09/13/2000EP1034152A1 Sewage sludge recycling with a pipe cross-reactor
09/13/2000CN2396044Y Sludge treater
09/13/2000CN1266027A Wet dirt processing agent and method for processing wet dirt
09/12/2000US6117314 Apparatus for removing metal compounds from waste material
09/12/2000US6117206 Methods for thermally degrading unwanted substances using particulate metal compositions
09/12/2000US6117203 An efficient heat exchanger for heating and cooling the sludge; waste apparatus
09/12/2000CA2175935C Treatment of waste paper
09/12/2000CA2169388C Method for alkaline treatment of sewage sludge for beneficial use
09/07/2000DE19909160A1 Treatment of sludge dredged from harbors with water containing dissolved ozone
09/06/2000EP1033349A1 Composition for waste water treatment
09/05/2000US6113806 A self-sustaining thermal decomposition body which generates heat and contains particles of elemental magnesium and iron dispersed in a synthetic resin matrix for disposal of manures, blood or blood products, chemical impurities
09/05/2000US6113800 Separating fats and proteins from floating impurities by mixing them with a carrier and heating to liquefy the fats, then adding flocculant and removing
09/05/2000US6113789 Anaerobic digestion of an organic substrate to form sludge, separating the solids, then recycling some of sludge for steam injection and pasteurization, more digestion to destroy disease causing pathogens
09/05/2000US6112675 Process and apparatus for treating process streams from a system for separating constituents from contaminated material
09/05/2000US6112458 Processing of sewage sludge into humus
08/2000
08/31/2000WO2000050347A1 Sludge filtration apparatus having chain-type belt press with fine fibers of synthetic resin joined thereon
08/30/2000CN1265051A Method and appts. for lysing sludge and dividing solids in liquid suspension
08/29/2000US6110385 Oxidizing first waste stream containing benzene, toluene, xylene, ethylbenzene to produce second waste stream containing portion of volatile compounds, and volatilizing volatile compounds in second waste stream to produce final waste stream
08/24/2000WO2000023747A3 Co-combustion of waste sludge in municipal waste combustors
08/23/2000EP1028931A1 Composting arrangement
08/23/2000EP1028919A1 Device for thickening liquids or sludges
08/23/2000EP1028918A1 Apparatus for dewatering previously-dewatered municipal waste-water sludges using high electrical voltage
08/23/2000CN1263870A Process for preparing marsh gas from aquartic green duckweed plant