Patents for C02F 11 - Treatment of sludge; Devices therefor (21,423)
10/1995
10/04/1995EP0674604A1 Sludge treatment process and plant.
10/04/1995EP0666833A4 Process for the oxidation of materials in water at supercritical temperatures utilizing reaction rate enhancers.
10/04/1995CN2209154Y Mud dewatering machine
10/03/1995US5454950 Method and apparatus for reverse-injection wet oxidation, sintered material catalytic reaction, sintered material filtration at supercritical conditions, sintered material gas separation, and high temperature pressurization
09/1995
09/28/1995WO1995025882A1 Combustion system and method for power generation
09/28/1995WO1995025698A1 Method and facility for treating effluents loaded with organic material, particularly by wet oxidation and with internal solid residue recycling, and purification facility therefor
09/28/1995DE4410045A1 Removal of cyanide from metal-working waste water
09/28/1995DE4409870A1 Dewatering of sewage sludge
09/28/1995DE19508785A1 Refuse treatment involving anaerobic digestion
09/27/1995EP0673670A1 Method of processing and recovering metalliferous deposits resulting from the purification of gases during the thermal treatment of wastes
09/27/1995CN1029833C Process for treating waste water
09/26/1995US5453562 Process for removing volatile components from soils and sludges contaminated with hazardous and radioactive materials
09/26/1995US5453208 Oxidation of ammonium ions and organic carbon in wastewaters
09/26/1995US5453202 Method for treatment of impounded sludges, soils and other contaminated solid materials
09/21/1995WO1995025071A1 Waste treatment plant and process
09/21/1995DE4442393C1 Separation of organic matter from wort vapour condensation
09/21/1995DE4409263A1 Industrial wastes esp. sludge, coke, paper and fibre
09/21/1995DE19508784A1 Deep shaft reactor
09/21/1995CA2185669A1 Waste treatment plant and process
09/20/1995EP0671970A1 A device for transport and dewatering of screening or sludge material
09/19/1995US5451319 Improved efficiency, smaller reactor, seeding raw sludge with digested sludge from methane fermentation
09/14/1995DE4408310A1 Rendering sludge suitable for combustion and disposal using minimum energy
09/14/1995DE4407536A1 Sludge dewatering and drying in oxygen-deficient atmos.
09/14/1995DE19508787A1 Redn. of organic components in solid suspension, esp. sewage sludge
09/14/1995DE19508786A1 Reducing organic components in solid suspension, e.g. sewage sludge
09/13/1995EP0671223A1 Process for the treatment of contaminated sediments
09/12/1995US5449464 Dewatering method and agent
09/06/1995EP0536236B1 A method and a system for drying sludge
09/05/1995US5447630 Materials treatment process and apparatus
09/05/1995CA1336901C Method for treating organic waste material and an oxidation catalyst/cocatalyst composition useful therefor
08/1995
08/30/1995CN1107444A Auto-controlling system for dewatering sludge
08/24/1995WO1995022418A1 Process for the treatment of contaminated land
08/24/1995WO1995022375A1 Process for the treatment of contaminated material
08/24/1995WO1995022374A1 Process for the treatment of contaminated material
08/24/1995CA2183585A1 Process for the treatment of contaminated material
08/24/1995CA2183584A1 Process for the treatment of contaminated land
08/24/1995CA2183583A1 Process for the treatment of contaminated material
08/23/1995EP0668247A1 Apparatus for treating aqueous sludge
08/23/1995EP0524933B1 Methods for neutralizing dyestuff-sludges and waste products
08/23/1995EP0515498B1 Cotreatment of sewage and steelworks wastes
08/16/1995EP0666833A1 Process for the oxidation of materials in water at supercritical temperatures utilizing reaction rate enhancers
08/15/1995US5441651 Method and apparatus for processing sludge
08/10/1995WO1995021141A1 Aerobic fermentation promoting device of excrements, aerobic fermentation system using it and compost therefrom
08/10/1995WO1995021129A1 Waste product articles
08/10/1995DE4403589A1 Disposal of organic waste, esp. food
08/10/1995CA2182692A1 Aerobic fermentation promoting device of excrements, aerobic fermentation system using it and compost therefrom
08/09/1995EP0665775A1 Anthraquinone inhibition of methane production in methanogenic bacteria.
08/05/1995CA2115077A1 Sizing separation of sewage particles in an improved automedium cyclone
08/03/1995DE4411190C1 Biological treatment of compsns. contg. fine grain solids and harmful substances
08/02/1995EP0664771A1 Process for treating industrial waste waters with low concentrations of toxic organic pollutants.
08/01/1995US5437848 Recovery of metal values from process residues
08/01/1995US5437798 Preheating water, mixing with fuel, directing mixture and oxygenous fluid to supercritical zone in reactor surrounded with bypass flow of cooling water, reacting to form flame, entraining reaction products in cooling water, removing
07/1995
07/27/1995DE4445096A1 Prevention of contaminant settling in micro-biological oxidn. of aq. slurries
07/27/1995DE4401705A1 Self-cleaning, dewatering filter for sewage sludge or slurry
07/27/1995DE4401623A1 Sewage sludge or slurry dryer
07/26/1995EP0664330A1 Process for thermal upgrading of clarified sludge
07/25/1995US5435923 Method for the treatment of sewage sludge and the like
07/20/1995WO1995019327A1 Sludge treatment system
07/20/1995WO1995019323A1 Method for the supercritical water oxidation of organic compounds
07/20/1995CA2179647A1 Method for the supercritical water oxidation of organic compounds
07/19/1995EP0663227A1 Sludge dehydrating press and method for treating sludge
07/19/1995CN1105286A Method of improving the contaminant resistance of a smectite clay by rewetting and impregnating the clay with a water-soluble poly mer, and redrying the polymer-impregnated clay
07/18/1995US5434333 Method for treating materials for solidification
07/18/1995US5433868 Deammoniation by dewatering without digestion, separation of solids then deammoniation using heat
07/18/1995US5433844 Apparatus for pathogen reduction in waste
07/13/1995WO1995018946A1 A process and a device in drying of organic and/or unorganic materials
07/13/1995WO1995018769A1 Process for the wet-oxidising treatment of organic pollutants in waste water
07/13/1995WO1995018768A1 Liquid decontamination system using electrical discharge with gas injection
07/13/1995WO1995018687A1 Oxidative cleaning process of contaminated slurries or slurried earth
07/13/1995CA2180563A1 Process for the wet-oxidising treatment of organic pollutants in waste water
07/13/1995CA2180560A1 Oxidative cleaning process of contaminated slurries or slurried earth
07/13/1995CA2180102A1 A process and a device in drying of organic and/or unorganic materials
07/12/1995EP0447530B1 Treatment of hazardous waste material
07/11/1995US5431702 Production of fuel pellets or briquettes from sewage solids and cellulosic waste solids
07/06/1995WO1995018073A1 Method of anaerobic digestion of sewage sludge
07/06/1995WO1995017982A1 Contaminant removal
07/06/1995WO1995017958A1 Catalyst for processing waste water, production method thereof, and method of processing waste water using the catalyst
07/06/1995DE4445702A1 Incineration of sewage sludge giving ash useful as fertiliser
07/06/1995CA2180157A1 Method of anaerobic digestion of sewage sludge
07/06/1995CA2179295A1 Contaminant removal
07/04/1995US5430235 Fixant for mixed organic and inorganic contaminated materials and method for using same
07/04/1995US5429750 Efficiency
07/04/1995US5428906 For converting sludge into fertilizer
07/04/1995US5428904 Method and apparatus for drying sewage sludge with a drying gas that is itself dried and recirculated
06/1995
06/28/1995EP0659893A1 Process for extracting and concentrating of cadmium from concentrated sulfuric effluents with a low or medium content of cadmium
06/28/1995EP0659695A1 Method and apparatus for conditioning sewage sludge
06/28/1995CN1029090C Treatment of waste and rotary kiln therefor
06/27/1995US5427517 Apparatus for pelletizing dehydrated paste material, especially sludge
06/27/1995US5426866 Method and apparatus for dewatering of sludges
06/22/1995DE4446678A1 Organic waste disposal appts. for domestic rubbish, clear sludge and animal waste
06/22/1995DE4409594A1 Recovering fertiliser, free from heavy metals, from sewage sludge
06/22/1995DE4343282A1 Disposal of clear sludge from waste water treatment
06/22/1995DE4342808A1 Sludge de-watering sieve drum, e.g. for waste water treatment or fermentation
06/20/1995US5425883 Method for separation and removal of impurities from liquids
06/20/1995CA2063777C Processing waste materials for anaerobic digestion of the biogenic-organic constituents of the garbage, particularly of the source separated organic waste, the non-recycable fraction of the domestic waste, the residual waste and the commercial wastes
06/20/1995CA1336019C Organic waste treatment system and method
06/13/1995US5424024 Apparatus for and method of preparing a hardenable substance for storage
06/13/1995US5423992 Chemically disinfected sewage sludge-containing materials
06/07/1995EP0656372A1 Sludge dehydrating agent
06/07/1995EP0656321A1 Supercritical water oxidation reactor with wall conduits for boundary flow control