Patents for C02F 11 - Treatment of sludge; Devices therefor (21,423)
09/1982
09/07/1982CA1131013A1 Flash drying sludge derived fuel process
08/1982
08/31/1982US4347144 Process for the purification of effluent
08/31/1982CA1130935A1 Process for treating waster water
08/25/1982EP0058247A1 Process and apparatus for the anaerobic purification of liquids containing organic substances
08/18/1982EP0057732A1 Method and apparatus for the separation of liquids from heterogeneous liquid-solid material mixtures, e.g. methods for the dehydration or thickening of communal or industrial sludges
08/17/1982CA1129709A1 Bioconversion of agricultural wastes into proteinaceous animal feed
08/10/1982CA1129369A1 Process and apparatus for recovering clean water and solids from aqueous solids
08/03/1982US4342732 Mixing calcium sulfate and sulfite with calcium bisulfite, precipitation and crystallization
08/03/1982US4342650 Organic sludge-energy recycling method
07/1982
07/27/1982US4341639 Wastewater treatment
07/27/1982US4341628 Belt pressure filter
07/27/1982CA1128460A1 Heavy metal removal from wastewater sludge
07/27/1982CA1128397A1 Air drying apparatus and method
07/21/1982EP0056090A1 Method of dewatering sludges containing mineral oils with recovery of the oil fraction
07/20/1982US4340488 Process and equipment for ultrasonic conditioning of sewage sludges
07/20/1982US4340478 Filter media and filter apparatus
07/20/1982US4340396 Process for disposal of ammonium jarosite
07/13/1982US4339546 Production of methanol from organic waste material by use of plasma jet
07/13/1982US4339265 Sewage treatment method and apparatus
07/13/1982CA1127672A1 Treatment of hazardous waste
07/13/1982CA1127376A1 Treatment of hazardous waste
07/08/1982WO1982002193A1 Wet oxidation process utilizing dilution of oxygen
07/08/1982WO1982002192A1 Organic sludge dewatering process
07/07/1982EP0055454A1 A continuous process for wet oxidation of aqueous waste liquors
07/06/1982US4338199 Processing methods for the oxidation of organics in supercritical water
07/06/1982US4338134 Process for binding waste liquor or sludge
07/06/1982CA1127327A1 Device for aerating sewage or sewage-sludges
06/1982
06/29/1982US4337209 Process for the manufacture of soap
06/29/1982CA1126504A1 Process for thermal treatment, especially drying
06/23/1982EP0054046A1 Method and equipment for the energy-saving drying especially of heat-sensitive as well as of toxic and/or smelly gas producing materials.
06/22/1982US4336141 Wastewater treatment
06/22/1982US4336101 Mixing aqueous solids with a light fluidizing oil, subjecting mixture to dehydration
06/16/1982EP0053777A1 Method and apparatus for heating organic waste by biological treatment
06/15/1982CA1125933A1 Device for the regulation of a water-removing machine
06/15/1982CA1125684A1 Method for the production of methane and a plant for carrying out the method
06/09/1982EP0053251A1 Method of dewatering sewage sludge in filter presses
06/09/1982EP0053250A1 Method of dewatering sewage sludge in filter presses
06/08/1982US4334026 Hybrid bio-thermal liquefaction
06/01/1982US4332584 Recovery of potential energy and chromium values from leather tannery wastes
06/01/1982CA1124895A1 Treatment of tailings pond sludge
05/1982
05/25/1982US4331088 Thermal decomposition using a coal reactor as a heat source
05/25/1982CA1124414A2 Method and apparatus for sludge treatment
05/25/1982CA1124183A1 Coal filtering for purifying waste water under continuous regeneration of coal and recovery of heat
05/19/1982EP0051888A1 Process for the purification of waste water and/or waste water sludge
05/19/1982EP0051817A1 Method for the purification of waste water
05/18/1982US4330450 For use in paper making, sewage treatment, drilling muds, enhanced oil recovery
05/18/1982US4330411 Process for treating clarified sludge
05/13/1982WO1982001483A1 Process for separating and recovering organic and inorganic matter from waste material
04/1982
04/29/1982WO1982001331A1 Process for non-polluting waste disposal
04/28/1982EP0050371A1 Method for the harmless dumping of waste
04/28/1982EP0050153A1 System for converting waste materials into useful products
04/27/1982CA1122537A1 Process for thickening sludge
04/21/1982EP0049950A1 Waste water treatment by chelation-gelation
04/13/1982CA1121658A1 Waste treatment facility
04/13/1982CA1121555A1 Destabilization of sludge with hydrolyzed starch flocculants
04/07/1982EP0048723A1 Treatment of activated or humus sludge.
03/1982
03/31/1982EP0048683A1 Method and apparatus for the purification of pollutant residues
03/29/1982EP0041565A4 Improved anaerobic and aerobic digestion of waste and biomass by use of lactobacillus culture additives.
03/23/1982US4321151 Process for wastewater treatment and wastewater sludge conversion into energy
03/23/1982US4321150 Process for wastewater treatment and wastewater sludge conversion into energy
03/23/1982CA1120617A1 Helical composter
03/16/1982US4320208 Process for the production of polyurethane plastics in which polyisocyanates are reacted with reactive organic fillers comprising biomasses
03/16/1982CA1119782A1 Wet oxidation of waste liquor
03/02/1982US4317684 Process of converting polluting particles, emitted in chemical or physical processes, into harmless substances
02/1982
02/24/1982EP0046155A1 Process and apparatus for slime and sludge dewatering
02/10/1982EP0045614A1 Biodegradation of carbonaceous materials
02/09/1982US4314904 Anaerobic digestion of waste and biomass by use of lactobacillus culture additives
02/09/1982CA1118123A1 Method and arrangement for treatment of sludge water
02/09/1982CA1118121A1 Apparatus for the anaerobic digestion of natural organic waste
02/02/1982US4314077 Method for the production of urea and purification of water
02/02/1982CA1117668A1 Method and apparatus for processing waste
01/1982
01/26/1982US4312761 Treatment of clay slimes
01/26/1982CA1117042A1 High nitrogen and phosphorous content biomass produced by treatment of a bod containing material
01/19/1982US4311670 Fluidized bed reactor system
01/19/1982US4311593 Anaerobic digestion, production of methane
01/19/1982US4311103 Incineration system for sewage sludge
01/19/1982CA1116759A1 Process for deoderizing sludges, particularly clarification sludges
01/19/1982CA1116472A1 Process for the efficient conversion of water-containing organic materials as fuels into energy
01/13/1982EP0043471A1 Process for the fixation in the residue of acid-forming substances developed from organic material containing wastes during pyrolysis
01/13/1982EP0043470A1 Process for sanitizing carbonatation sludge
01/05/1982CA1115496A1 Method and apparatus for effecting subsurface, controlled, accelerated chemical reactions
12/1981
12/29/1981CA1115434A1 Wastewater purification
12/29/1981CA1115432A1 Aerobic/anaerobic sludge digestion process
12/29/1981CA1115009A1 Catch basin processing apparatus
12/24/1981WO1981003695A1 Method and equipment for the energy-saving drying especially of heat-sensitive as well as of toxic and/or smelly gas producing materials
12/22/1981US4306978 Method for lime stabilization of wastewater treatment plant sludges
12/22/1981US4306910 By addition of gypsum, portland cement, slag and a ferrous salt deodorizer
12/22/1981US4306358 Air drying apparatus
12/22/1981CA1114959A1 Combination of a biological dry toilet and a biological waste water purifying plant
12/16/1981EP0041592A1 Apparatus for removing suspended solids from an effluent
12/16/1981EP0041565A1 Improved anaerobic and aerobic digestion of waste and biomass by use of lactobacillus culture additives
12/10/1981WO1981003484A1 Dewatering fine coal slurries using organopolysiloxanes
12/10/1981WO1981003483A1 Dewatering fine coal slurries using two types of organopolysiloxanes
12/08/1981US4304674 Method of disposing of a washing water sludge from filtering systems
12/08/1981US4304049 Process for thermal treatment, especially drying
12/08/1981CA1113807A1 Method and apparatus for controlling operation of wet combustion system
12/02/1981EP0040986A1 A method and apparatus for the treatment of sewage sludge
12/02/1981EP0040906A2 Dewatering fine coal slurries using organopolysiloxanes
12/02/1981EP0040903A2 Dewatering fine coal slurries using two types of organopolysiloxanes
12/02/1981EP0040887A1 Method and apparatus for treatment and hygienisation of sewage sludge and other organic sludges