Patents for C02F 11 - Treatment of sludge; Devices therefor (21,423)
12/1997
12/03/1997EP0809777A1 Process and device for drying organic waste
12/03/1997CN2269394Y Solar energy methane generating pit
12/03/1997CN1166519A Method for changing organic waste into resources
11/1997
11/27/1997DE19614766C1 Shaft reactor for wet oxidation of sewage at high temperature and pressure
11/26/1997EP0808803A1 Process and device for continuous disintegration of activated sludge
11/26/1997CN2268701Y Sewage treating apparatus of building
11/26/1997CN1165713A Method and appts. for crushing waste material in water
11/19/1997EP0807461A2 Horizontal drum reactor for the treatment of pasty or granular material
11/19/1997EP0807089A1 Device and process for thickening and conveying waste water sludges
11/19/1997EP0756581A4 Dewatering of wet particulate material
11/18/1997US5688686 Fermentation apparatus
11/18/1997US5688399 Means for separation and removal of impurities from liquids
11/13/1997DE19617528A1 Apparatus for controlling addition of flocculent to sludge
11/12/1997EP0806289A2 Press for dewatering suspensions
11/12/1997CN2267243Y Water distribution device for anaerobic digestion tank
11/12/1997CN1164515A Red mud recovery and utilization technology
11/12/1997CN1164434A Air-dissolved fast pressur filtering dewatering method and device
11/11/1997US5685153 Efficient utilization of chlorine and/or moisture-containing fuels and wastes
11/06/1997WO1997041193A1 Process and device for processing of biological residual material, in particular sludge
11/06/1997WO1997040941A1 Decantation centrifuge
11/06/1997CA2253464A1 Decantation centrifuge
11/05/1997EP0693041B1 Process and device for processing and/or dewatering sludge liquor from waste water tanks, in particular small sewerage purification plants
11/05/1997CN1163865A Wet oxidizing process of waste soda
11/04/1997US5683951 Water treatment, roasting a ceramic and treatment with microorganisms of bacteria, fungi or yeasts
11/04/1997US5683665 Composition and process for cleansing exhaust gas
11/04/1997US5683664 Of a deodorizing ceramic obtained by calcining a composition comprising raw ceramic materials and microorganisms and/or culture fluid thereof
11/04/1997US5683590 Treatment of waste paper
11/04/1997US5682738 Heat engines and waste destruction mechanism
10/1997
10/30/1997WO1997039987A1 Process for preparing a reaction accelerator for the oxidation of organic substances in the liquid phase
10/28/1997US5681481 Process and apparatus for liquid sludge stabilization
10/28/1997US5681480 Dewatering of aqueous suspensions
10/28/1997US5681449 Process for producing oil from organic material-containing sludge
10/28/1997CA2084129C Separation of solids from aqueous suspensions using modified amine functional polymers
10/23/1997WO1997038805A1 Cleansing contaminants from a heterogeneous material using a sorption agent
10/23/1997DE19616470A1 Sludge conditioner
10/22/1997CN1162571A Wet oxidizing process
10/21/1997US5679263 Method and apparatus for producing feed mixture
10/21/1997US5679262 Method for alkaline treatment of sewage sludge for beneficial use
10/16/1997WO1997037944A1 Method for oxidation of waste liquors containing organic matter
10/16/1997WO1997037943A1 Method and installation for solidifying large quantities of slurry-like materials
10/16/1997WO1997037784A1 Process and apparatus for treating process streams from a system for separating constituents from contaminated material
10/16/1997DE19704201A1 Sludge drying process and assembly basin sub-divided by filter layer
10/16/1997DE19614674A1 Laundry waste water treatment process decants fluid from sludge
10/16/1997DE19614383A1 Humic aluminium formed in flocculation waste water-treatment stage
10/16/1997DE19612659C1 Process and assembly mix sludge with controlled quantity of ash cement
10/16/1997CA2251004A1 Process and apparatus for treating process streams from a system for separating constituents from contaminated material
10/15/1997EP0801279A2 Process for drying a substance
10/15/1997EP0800871A1 Waste disposal material and method
10/15/1997EP0800845A1 Biodegradation of an organic compound and process for upgrading the environment by removing the aforesaid compound
10/15/1997EP0800573A2 Systems and methods for biodegradation
10/15/1997EP0800483A1 Method for treating waste water sludge
10/15/1997CN1161937A Electric sludge-dewatering and sewage-treating method and apparatus thereof
10/09/1997WO1997036832A1 Process for the microbiological purification of slurries containing heavy metals
10/09/1997DE19613717C1 Verfahren zur mikrobiologischen Reinigung von schwermetallhaltigen Schlämmen Methods for the microbiological purification of sludges containing heavy metals
10/09/1997DE19613679A1 Verfahren und Vorrichtung zur Konditionierung von feuchtem oder nassem Gelände, insbesondere von Schlammbecken Method and device for conditioning moist or wet ground, in particular of sludge basin
10/09/1997DE19613248A1 Waste water solid screenings broken down by vigorous hydrodynamic forces
10/08/1997EP0799801A2 Process and apparatus for the conversion of sludges
10/08/1997EP0799162A1 Reversible flow supercritical reactor and method for operating same
10/07/1997US5674405 Method for hydrothermal oxidation
10/07/1997US5674402 Treating with inorganic acid to produce solution containing dissolved aluminum and iron, separating insoluble material, treating with monovalent cation to precipitate aluminum and iron
10/07/1997US5674382 Wet oxidation apparatus with compressor
10/05/1997CA2173569A1 Wand inductor for remediation of contaminated soil
09/1997
09/30/1997US5672506 Concrete tank including member composed of glass long fiber reinforced foamed plastic composite material as inside wall and formwork
09/25/1997WO1997034679A1 Sludge drying apparatus and process
09/25/1997WO1997034660A1 Method for hot and supercritical water oxidation of material using specific reactants
09/25/1997DE19611536A1 Process and assembly for fixing e.g., slurry, sludge and food residues on mineral substrate with additives
09/25/1997CA2249404A1 Method for hot and supercritical water oxidation of material using specific reactants
09/24/1997EP0796823A2 Method and apparatus for feeding wastes into a boiler
09/24/1997EP0796143A1 Method for the chemical conversion of complex chemical structures under reducing conditions in a supercritical fluid
09/23/1997US5670040 Internal platelet heat source and method of use in a supercritical water oxidation reactor
09/23/1997CA2101546C Synthetic cover for waste piles
09/18/1997WO1997033839A1 Process and device for sewage treatment
09/18/1997WO1997033789A1 Off-shore sewage treating and handling apparatus and method
09/18/1997WO1997033704A1 Method for the in situ treatment of aquatic sediment, particularly sludge
09/17/1997EP0795022A1 Municipal solid waste processing facility and commercial lactic acid production process
09/17/1997CN1159768A Dewatering process
09/17/1997CN1159436A Mixed phosphate fertilizer
09/16/1997US5667698 Reversible flow supercritical reactor and method for operating same
09/12/1997WO1997032945A1 Direct current solid bed gasification reactor and use thereof
09/11/1997DE19608826A1 Vergasungsreaktor Gasification reactor
09/10/1997EP0794242A2 Method and apparatus for submerged grinding of wastes
09/09/1997US5665245 By negative pressure generated by jet pump; water treatment
09/04/1997WO1997031867A1 Particle dewatering device
09/03/1997EP0792841A2 Wet oxidizing process
09/03/1997EP0792196A1 Method of decontaminating contaminated material and devices therefor
09/03/1997EP0665775B1 Anthraquinone inhibition of methane production in methanogenic bacteria
09/03/1997CN1158595A Process and appts. for treatment of sewage sludge
09/02/1997US5662826 Process for the preparation of a coagulating chemical comprising dissolving a solid zeolite in a solution of trivalent metal salt
09/02/1997US5662802 Solvent extraction process using water absorbing solvent at preselected temperature
09/02/1997US5662050 Process for chemical/thermal treatment without toxic emissions
09/02/1997US5662035 Cleaning device of a screw press for filtering and dehydrating garbage
08/1997
08/28/1997WO1997031120A1 Organic waste processing method and plant, and uses of said method
08/28/1997DE19608308A1 Homogenisation of organic waste substrates for use in bio:gasification
08/28/1997DE19607333A1 Treatment of sludge by first mixing with other waste products
08/27/1997EP0790851A1 Activated sludge degassing process and device
08/26/1997US5660730 Inertization of liquid waste, mud and solid waste containing heavy metals by sulphate-reducing bacteria
08/21/1997WO1997030008A1 A method and apparatus for treating liquid-containing material based on organic waste products
08/21/1997DE19606917A1 Heat exchanger arrangement to dry fuel
08/21/1997DE19606121A1 Solid wastes subjected to biological-mechanical preliminary thermal treatment
08/21/1997DE19605421A1 Purification of waste waters