Patents for C02F 11 - Treatment of sludge; Devices therefor (21,423)
03/1993
03/17/1993EP0515498A4 Cotreatment of sewage and steelworks wastes
03/17/1993EP0442955B1 Rotary dryer and associated drying plant
03/16/1993US5193936 Stabilization of leachable lead with sulfate ion and phosphate ion
03/10/1993EP0530292A1 Method of treating a suspension having a low concentration of suspended material
03/09/1993US5192453 Wet oxidation process for ACN waste streams
03/09/1993US5192413 Electroosmotic dewaterer
03/09/1993US5191845 Fossil fuel power plants with drying by heat exchanging, supplying exhaust vapors and combustion
03/07/1993CA2050777A1 Vertical cell method and system for waste storage and energy recovery
03/04/1993WO1993004005A1 System for recovering energy from wet oxidation process streams
03/04/1993WO1993004003A1 Process and device for treating polluted liquids
03/04/1993DE4128565A1 Removing pollutants from gases, liq. or solids by chemisorption
03/03/1993EP0428564B1 Process and apparatus for generating steam
03/03/1993EP0367764B1 Process for disposal, and in particular hygienic treatment, of the sludge formed in a clarification plant
03/02/1993US5190672 Method for thermal disposal of sewage sludge
03/02/1993US5190655 Water purification process 2
03/02/1993US5190649 Apparatus for mixing aqueous ammonium chloride and sodium sulfate with sludges, rotating container having drum with lifter blades and residence zone, inlet, discharge, separating apparatus with filter tray, drying apparatus
02/1993
02/24/1993EP0527984A1 Method for producing homogeneous, fine, pulverulent solids dispersions optionally containing active substances
02/24/1993EP0363429B1 Process for chemical stabilization of heavy metal bearing dusts and sludges, such as eaf dust
02/24/1993CN1069248A Agitated shell breaking-up device coupled with methane-generating pit
02/23/1993US5189111 Aminoalkylated side-chains-containing vinylic copolymers
02/23/1993US5188742 Apparatus and method for removing contaminants from water
02/23/1993US5188741 Volume redcution, enhanced dewatering, viscosity reduction, and a reduction of pathogens and increased biological stability; pollution control
02/23/1993US5188740 Process for producing pumpable fuel slurry of sewage sludge and low grade solid carbonaceous fuel
02/23/1993US5188739 Disposal of sewage sludge
02/23/1993CA1313836C Method and apparatus for treatment of oil contaminated sludge
02/18/1993WO1993002969A1 High temperature wet oxidation using sintered separators
02/18/1993WO1993002967A1 Dewatering of aqueous suspensions
02/18/1993WO1993002854A1 Stabilizing inorganic substrates
02/18/1993CA2114646A1 Stabilizing inorganic substrates
02/17/1993EP0527465A1 Sludge dewatering system
02/17/1993EP0527222A1 Hazardous waste disposal method and composition
02/16/1993US5187097 Repeated rearrangement of layers, having varying degrees of ripeness, of a tabular stack; miniaturization, automatic
02/16/1993US5186840 Mixing with alkaline material using horizontal screw
02/16/1993CA1313591C Method for obtaining utilizable gas from garbage
02/10/1993EP0527077A1 Method for treating environmentally strongly polluting wastes
02/09/1993US5185083 Separation of solids from aqueous suspensions using modified amine functional polymers
02/04/1993WO1993001958A1 Method of and apparatus for washing a vehicle and separating resulting sludge from a washing liquid
02/04/1993DE4215061A1 Sludge drying - using centrifuge for initial water extn. followed by feeding DC current through electrodes pressed against caked sludge for scraper extn.
02/03/1993EP0526413A2 Ecologically acceptable composition for desiccation of solid, semi-solid and liquid waste
02/03/1993EP0525505A1 Container for dewatering
02/03/1993EP0524933A1 Methods for neutralizing dyestuff-sludges and waste products.
02/03/1993CN1068551A Anaerobic ferment process and device of animal manure
02/02/1993US5183577 Process for treatment of wastewater containing inorganic ammonium salts
02/02/1993US5183576 Waste water treatment by adding homopolymer of acryoxyethyl trimethyl ammonium chloride or methacryoxyethyl trimethyl ammonium chloride
02/02/1993US5183562 Apparatus for coagulating treatment
01/1993
01/27/1993EP0524463A2 Method for the decontamination of polluted soil
01/27/1993EP0524245A1 Process and apparatus for pathogen reduction in waste.
01/27/1993EP0524241A1 A process for the combined treatment of waste materials.
01/26/1993WO1993001899A1 System for in-situ treatment of underwater contaminated material
01/26/1993CA2092415A1 System for in-situ treatment of underwater contaminated material
01/21/1993WO1992018214A3 System and method for removing a volatile component from a matrix
01/20/1993EP0524159A2 Method and associated plant for the disposal of the liquid from the bottom of dumping tanks for solid urban refuse
01/20/1993CN1068090A Method for treatment of waste sacrose liquid
01/19/1993US5180638 Method for reducing the leachability of granular material and granular material obtained using this method
01/14/1993DE4121923A1 Plant for thermally treating, mineralising, and evaluating waste residues - comprises high temp. furnace coupled to carbonising furnace to reduce nitrogen oxide(s)
01/12/1993US5178776 Heating, acidification and chlorinating oxidation under acid conditions, separation and recovering soild phase
01/07/1993WO1993000562A1 Process and device for sludge dewatering
01/07/1993WO1993000304A1 Supercritical water oxidation process and apparatus of organics with inorganics
01/07/1993DE4122246A1 Processing sewage sludge by removing water and converting to particles - comprises mixing with particulate carrier, heating mixt. in vertical chamber oven and collecting gases, carrier and ash
01/07/1993DE4121223A1 Manure processing - has separation of fluid and solid contents with drying chamber for solids and particle separation from fluid with recirculating air systems
01/07/1993CA2111847A1 Supercritical water oxidation process and apparatus of organics with inorganics
01/06/1993CN1067645A Physico-chemical catalystic, fermentative deodorizing method for nightsoil in city
01/05/1993US5177305 Waste incineration process
01/05/1993CA1312198C Treatment of waste and a rotary kiln therefor
12/1992
12/30/1992EP0520698A2 Method of electroosmotically dehydrating sludge
12/30/1992EP0520172A1 Treatment of waste and waste-like mixtures, particularly of source separated organic waste, the wet waste and the commercial waste for anaerobic digestion of contained biogenic-organic substances
12/30/1992EP0520009A1 Methods for processing manure and a device therefor
12/29/1992US5174898 Method of treating an organic sludge, especially paint sludge
12/23/1992WO1992022367A1 Process for drying and solvent-extraction of solids and sludges
12/23/1992EP0235249B1 In situ hazardous waste treating apparatus and method of using same
12/23/1992CN2125584U Methane generating device
12/23/1992CN1067227A Gas dissolving and releasing liquid treatment system
12/23/1992CA2089182A1 Process for drying and solvent-extraction of solids and sludges
12/22/1992US5173179 Removal of contaminants and recovery of metals from waste solutions
12/17/1992DE4119486A1 Removing pollutants from gases, liq. or solids by chemisorption
12/17/1992DE4119485A1 Removing pollutants from gases, liq. or solids by chemisorption
12/17/1992DE4118783A1 Verfahren und anlage zum behandeln von schlamm- und presskuchen Method and system for the treatment of sludge and press cake
12/17/1992DE4117513A1 Fine grain bed decontamination - by using suspension with nutrient salts for microorganisms in a bio-reactor to degrade toxic organic matter
12/16/1992EP0518379A2 Process for the removal of organic and inorganic toxic products from gaseous liquid and/or solid materials
12/16/1992EP0268644B1 Composition to encapsulate toxic metal and/or organic pollutants from wastes
12/16/1992CN1067017A Container for dewatering or packaging and transportation
12/15/1992US5171405 Reactor having a discontinuous conduit means between surfaces of a downwardly extending stationary spiral
12/11/1992CA2070957A1 Apparatus and method for removing contaminants from water
12/10/1992WO1992021623A1 Method and installation for the treatment of sludge or press cakes
12/10/1992WO1992021622A1 Supercritical water oxidation with overhead effluent quenching
12/10/1992WO1992021621A1 Method for suspercritical water oxidation
12/09/1992EP0513186A4 Process for oxidation of materials in water at supercritical temperatures
12/09/1992CN1019382B Mixed preparation of slurry from oil shale by dry distillation of oil mud and dry distillation of waste water, and burning technology
12/08/1992US5169534 Metal ion and organic contaminant disposal
12/08/1992US5168820 Mixing sludge containing heavy metals with clay and zeolites; burning; pollution control
12/08/1992CA1311236C Supercritical separation process for complex organic mixtures
12/03/1992DE4117630A1 Thin film thermal reactor dryer - has clamping ties held to rotor core by radial distance holder plates
12/02/1992EP0515727A1 Waste treatment system
12/02/1992EP0515498A1 Cotreatment of sewage and steelworks wastes.
12/02/1992CN1066639A Concentrating-burning treatment of organic lye change
12/01/1992US5167821 Method for thickening and dewatering slurry sludge
12/01/1992CA2069977A1 Freeze-thawing tank assembly
12/01/1992CA1310950C Process for recovering regenerated adsorbent particles and separating ash therefrom
11/1992
11/26/1992WO1992020470A1 Apparatus for and method of preparing a hardenable substance for storage
11/25/1992EP0515117A1 Pumpable aqueous slurries of sewage sludge