Patents
Sitemap › C02 - Treatment of water, waste water, sewage, or sludge › C02F - Treatment of water, waste water, sewage, or sludge › C02F 11 - Treatment of sludge; Devices therefor
Patents for C02F 11 - Treatment of sludge; Devices therefor (21,423)
09/1998
09/24/1998WO1998041479A1 A method for treating sludge from wastewater treatment
09/23/1998EP0865413A1 Method for hydrothermal oxidation
09/23/1998EP0579721B1 Zirconium oxide ceramics for surfaces exposed to high temperature water oxidation environments
09/22/1998CA2043244C Apparatus for clarification of industrial sewage
09/17/1998DE19710589A1 Stabilising additive used in building material
09/15/1998US5807736 Method for biodegradation of aromatic and chlorinated compounds using microorganism strain FERM BP-5102
09/12/1998CA2230505A1 Method for processing paint sludge
09/11/1998WO1998039259A1 Biodegradation of oil sludge
09/11/1998WO1998030505A3 Processing of sewage sludge into humus
09/08/1998US5804076 Method for treatment of waste water and/or exhaust gases containing flourine and surface active agents
09/08/1998US5804069 Apparatus for extracting water from marine sediments
09/08/1998US5804066 Injector for SCWO reactor
09/02/1998EP0861214A1 Dewatering of aqueous suspensions
09/02/1998EP0861213A1 Method for filter thickening
09/02/1998CN1192194A Wet oxidation of high strength liquors with high solids content
09/01/1998US5800719 Method for dewatering drinking sludge using a water soluble block copolymer
08/1998
08/27/1998WO1998037028A1 Apparatus and method for treating waste water from a residential home
08/26/1998EP0860403A2 Apparatus for treating sludge
08/26/1998EP0860402A2 Raw sludge treatment process
08/26/1998EP0859748A1 Selective separation at supercritical water conditions
08/25/1998US5797972 Mixing dehydrated sewage sludge with crushed coal and bitumen or pitch, compressing into briquets or pellets
08/20/1998WO1998035768A1 Sequential biological/chemical/biological treatment of organic waste
08/19/1998CN1190983A Processing of resilient materials
08/18/1998US5795926 Preparation of finely divided polymer powders
08/12/1998EP0857775A2 Method of carbonizing an organic water containing substance
08/12/1998CN1190383A Process and apparatus for liquid sludge stabilization
08/11/1998US5792942 Apparatus for determining properties of slurry materials and sludge treating process
08/11/1998US5792361 Method for treatment of an aqueous waste material
08/11/1998US5791566 Method and apparatus for submerged grinding of wastes
08/06/1998WO1998034066A1 Integrated steam reforming operation for processing organic contaminated sludges and system
08/06/1998DE19715084A1 Vibrator assembly de-waters wet sludge held in perforated bag or container
08/05/1998CN1189463A Method for extracting chromium from chroming waste water and waste slag
08/04/1998US5788867 Using water soluble polymeric emulsion
07/1998
07/29/1998EP0854898A1 Process and composition for soil remediation
07/29/1998EP0854845A1 Dewatering of sludges
07/28/1998US5785868 Method for selective separation of products at hydrothermal conditions
07/28/1998US5785853 Method for accelerating revival of environment
07/28/1998US5785852 Pretreatment of high solid microbial sludges
07/28/1998CA2080471C Process for the combined treatment of waste materials
07/23/1998DE19647820C1 Dewatering sludge from vehicle using skip
07/21/1998US5783073 Pollution control apparatus for sewage treatment
07/21/1998US5782950 Squeezing; mixing; homogenizing; anaerobic processes; shorter composting and fermentation times
07/16/1998WO1998030506A1 Optimised method for the treatment and energetic upgrading of urban and industrial sludge purifying plants
07/16/1998WO1998030505A2 Processing of sewage sludge into humus
07/16/1998WO1998030076A1 Humic concentrate and process for its production, equipment for the electrochemical production of the humic concentrate, water purification process, process for the dehydration of viscous-flow fluids, process for the detoxification of organic compounds, process for the utilization of wastewater sediments, process for the fo
07/16/1998DE19801735A1 Large, flexible apparatus for conditioning sludge and purifying waste water economically
07/16/1998DE19703729C1 Process and assembly for heating thin sludge from a water treatment
07/16/1998DE19700434C1 Klärschlammvererdung Sewage sludge
07/15/1998EP0853074A2 Process for the obtention of earth for cultivating flowering plants
07/14/1998US5779996 Microbial remediation reactor and process
07/09/1998WO1998029348A1 Treating sewage or like sludge
07/09/1998CA2275269A1 Treating sewage or like sludge
07/08/1998EP0852221A2 Process for drying sludge
07/07/1998US5777191 Depressurization and separation of gas/liquid wet oxidized product mixture prior to cooling without sludge formation
07/07/1998US5776362 Sludge dehydrating agent
07/02/1998WO1998028402A1 Biogas fermenter
07/02/1998WO1998028237A1 Sludge handling and feeding system
07/02/1998WO1998028044A1 Method for oxidising pre-treatment of drillings contaminated by olefin based sludge
07/02/1998CA2247454A1 Sludge handling and feeding system
07/02/1998CA2226024A1 A method of drying sewage sludge
06/1998
06/30/1998US5773283 Forming carbon monoxide and water by aerobic degradation with microorganisms
06/30/1998CA2108759C Solid-liquid separator
06/25/1998WO1998027014A1 Comprehensive energy producing methods for aqueous phase oxidation
06/25/1998DE19654093A1 Low-temperature sewage sludge drying process and assembly uses ambient air
06/24/1998EP0848743A1 Processing of resilient materials
06/23/1998US5770174 Injecting water into a chemical reactor having exothermic reaction and oxidation
06/23/1998US5770093 Manganese oxide
06/23/1998CA2089471C Process for embedding liquid to solid substances in methacrylic resins
06/18/1998WO1998025684A1 Apparatus for continuous purification of liquids, dewatering and drying of the separated solids
06/18/1998DE19651210A1 Process and assembly recovers heat from drying agricultural produce for surrender
06/18/1998CA2274683A1 Apparatus for continuous purification of liquids, dewatering and drying of the separated solids
06/16/1998US5765293 Method for processing paint sludge
06/11/1998WO1998024730A1 Biogas reactor
06/11/1998WO1998024729A1 Process and apparatus for utilizing animal excrement
06/11/1998CA2276247A1 Process and apparatus for utilizing animal excrement
06/10/1998EP0846085A1 Method and device for digestion of sludge
06/10/1998EP0784600B1 Method for oxidation of organic waste liquors
06/09/1998US5762864 Lightweight artificial aggregate manufacturing method using paper and dye sludge
06/09/1998US5762809 Heating aqueous wastes at natural ph and holding for predetermined times, then more controlled heating with addition of oxygen-containing gas and hydrogen peroxide for biodegradation of wastes and sewage
06/04/1998DE19648849A1 Changing consistency of sludge to enhance its properties
06/03/1998EP0845495A2 Cellulose particles, method for producing them and their use
06/03/1998EP0844982A1 Method for oxidation of waste liquors containing organic matter
06/02/1998US5759849 Sludge treatment tank thereof construction method thereof
05/1998
05/28/1998WO1998022393A1 Method for separating organic waste
05/27/1998EP0844216A2 A method for treating polluted material by wet oxidation
05/27/1998EP0751914B1 Method and facility for treating effluents loaded with organic material, particularly by wet oxidation and with internal solid residue recycling, and purification facility therefor
05/27/1998CN1182719A Biological activator for septic tank or equivalent
05/26/1998US5755974 Method and apparatus for reacting oxidizable matter with a salt
05/20/1998EP0842125A1 Process for treating a surplus activated sludge
05/20/1998EP0842123A1 Process for the biological decontamination of contaminated material
05/14/1998WO1998019972A1 Method and device for treating organic or inorganic sludge through multi-stage drying process
05/13/1998EP0840711A1 Method of treating waste sludge
05/13/1998EP0703876B1 A method and apparatus for drying sludges
05/13/1998EP0671970B1 A device for transport and dewatering of screening or sludge material
05/13/1998CN1181762A Cellulose particles, method for producing them and their use
05/12/1998CA2023902C Method for treating organic waste water by methane fermentation and treating apparatus therefor
05/07/1998WO1998018730A1 Sludge dewatering control system
05/07/1998CA2270207A1 Sludge dewatering control system
05/06/1998CN2280713Y Filtering screening drum for mud dewatering machine
05/05/1998US5746926 Method for hydrothermal oxidation of halogenated organic compounds with addition of specific reactants
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