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)
01/1999
01/07/1999DE19828665A1 Verfahren zur Reduktion von sechswertigem Chrom in Böden, Sedimenten, Industrieabfällen und anderen kontaminierten Materialien unter Verwendung von Ascorbinsäure A process for the reduction of hexavalent chromium in soils, sediments, industrial wastes and other contaminated materials using ascorbic acid
12/1998
12/30/1998WO1998058740A1 Method and apparatus for lysing sludge and dividing solids in liquid suspension
12/30/1998EP0886599A1 Off-shore sewage treating and handling apparatus and method
12/30/1998CA2293526A1 Method and apparatus for lysing sludge and dividing solids in liquid suspension
12/29/1998US5854059 Biodegradation of an organic compound and process for upgrading the environment by removing the aforesaid compound
12/29/1998US5853590 Method for treating bioorganic and wastewater sludges
12/29/1998US5853450 Method for treating bioorganic and wastewater sludges
12/24/1998DE19724012A1 Process and assembly to utilise organic waste comprises collection by vacuum suction, sterilisation by heating and fermenting to release heat and electricity
12/23/1998WO1998057908A1 Method and arrangement for composting biodegradable material
12/23/1998EP0885274A1 Direct current solid bed gasification reactor and use thereof
12/23/1998EP0703874B1 Method for the treatment of water treatment sludge
12/23/1998CN1202467A Treating process for sewage and excrement
12/22/1998US5851404 Process and apparatus for liquid sludge stabilization
12/22/1998US5851391 Sludge dewatering treatment apparatus
12/16/1998EP0883576A1 Particle dewatering device
12/16/1998EP0832489B1 Process and device for separating a medium into a solid matter-containing component and a liquid component
12/16/1998EP0819101B1 Plant and process for oxidizing an aqueous medium
12/16/1998EP0774134B1 Pressure reduction system and method
12/10/1998WO1998055410A1 Sludge silo
12/10/1998WO1998055408A1 Method and device for treating biogenic residues
12/10/1998DE19724049A1 Sludge drying process
12/10/1998DE19723150A1 Silo für Schlämme Silo for sludge
12/09/1998EP0882678A2 Method for processing paint sludge
12/09/1998EP0882677A1 Apparatus for the dewatering of sludge
12/09/1998EP0882135A1 Organic waste processing method and plant, and uses of said method
12/09/1998EP0783462A4 Process and apparatus for treatment of sewage sludge
12/08/1998US5847248 Process and apparatus for the conversion of sludges
12/08/1998US5846435 Method for dewatering of sludge
12/08/1998US5846433 Dewatering of suspensions
12/08/1998US5846425 Methods for treatment of waste streams
12/03/1998WO1998054096A1 System for recovering and treating waste water
12/03/1998DE19723715A1 Incinerator jet cleaning process
12/02/1998EP0880484A1 A method and apparatus for treating liquid-containing material based on organic waste products
12/02/1998EP0880477A1 Process for drying sewage sludge or sludges of similar consistency
12/02/1998EP0854845A4 Dewatering of sludges
12/01/1998US5843304 Filtration and treatment system
11/1998
11/26/1998DE19821912A1 Sludge dewatering process and assembly combine strainer and centrifuge
11/25/1998EP0879215A1 Process and apparatus for liquid sludge stabilization
11/24/1998US5840194 Process for treating arsenic-containing waste water
11/24/1998US5840191 Process for the treatment of contaminated material
11/19/1998WO1998051980A1 System and method for channeled freeze processing of non-solid materials
11/19/1998WO1998051629A1 Method for optimizing and improving the space load of fermentation reactors
11/19/1998WO1998051139A2 Method for reducing moisture content
11/19/1998DE19720889C1 Preparation of light aggregates
11/19/1998DE19720718A1 Processing of animal e.g. pig slurry comprises evaporation using heat derived from friction and enriching with minerals and organic substances
11/19/1998CA2288931A1 System and method for channeled freeze processing of non-solid materials
11/19/1998CA2259943A1 Method for optimizing and improving the space load of fermentation reactors
11/18/1998EP0878447A1 Method for optimizing and increasing the volumetric load of fermentation reactors
11/18/1998EP0877721A1 Method for treating aqueous liquid effluents containing organic and inorganic materials to enable recycling thereof
11/17/1998US5837149 Method for hot and supercritical water oxidation of material with addition of specific reactants
11/12/1998WO1998050626A2 Method and device for separating the liquid contained in a suspension from the dispersed material in the suspension
11/12/1998WO1998050323A1 Sewage sludge recycling with a pipe cross-reactor
11/12/1998WO1998050319A1 Process for the cold transformation of municipal refuses and/or sludge into inert materials, plant for carrying out said process and products obtained
11/12/1998WO1998050312A1 Process and apparatus for treating waste
11/12/1998WO1998050311A1 Liquid waste treatment bioreactor process and apparatus
11/12/1998DE19816552A1 Sludge drying assembly consists of two parallel wedge ladder racks
11/12/1998CA2289680A1 Process for the cold transformation of municipal refuses and/or sludge into inert materials, plant for carrying out said process and products obtained
11/12/1998CA2289127A1 Process and apparatus for treating waste
11/11/1998EP0876209A1 Heavy metal removal agent containing a sulphur compound
11/10/1998CA2126511C Sediment detoxification using an organic amendment
11/10/1998CA2095646C Method for co-processing organic wastes and spent nitric acid wash water
11/05/1998WO1998049108A1 Dewatering of sewage sludge
11/05/1998WO1998049107A1 Device for dewatering a slurry
11/05/1998CA2287996A1 Dewatering of sewage sludge
11/04/1998EP0792196B1 Method of decontaminating contaminated material and devices therefor
11/04/1998EP0655955B1 Process for encapsulating a waste material
11/04/1998EP0649820B1 Sludge dehydrating agent
11/04/1998CN1197771A Method of eliminating greasy dirt on the surface of iron slime
11/02/1998CA2204422A1 Method of treating the liquid fraction of pig manure by an aerobic biofilter and sequestration of the solid fraction by zeolite
10/1998
10/29/1998WO1998047822A1 Apparatus and method for oxidizing undigested wastewater sludges
10/29/1998DE19717965A1 Co-fermentation to increase methane yield and productivity
10/29/1998DE19717669A1 Reducing heavy metal content of biogenic organic substrate without combustion
10/28/1998EP0764140B1 Dewatering of suspensions
10/28/1998EP0641293B1 Dewatering of aqueous suspensions
10/27/1998US5827432 Electrically ionizing sludge, adding coagulant, flocculating, removing water
10/27/1998CA2090666C Fixing agent for fixing organic and inorganic impurities containing material, method for fixing such material and a synthetic clay material
10/22/1998DE19716649A1 Removal of moisture and solvents from paint residues
10/22/1998DE19716214A1 Disposal of oily sludges
10/21/1998EP0872452A2 Process and apparatus for the purification of oil and water containing mill scale sludges
10/21/1998EP0871597A1 Method of treating a biomass in order to remove heavy metals with hydrogen sulphide
10/21/1998CN2294953Y Mud-discharging device for water treatment tank of water-works on water
10/20/1998US5823220 Pressure reduction system and method
10/15/1998WO1998045402A1 Sulfide evolution inhibitors
10/15/1998DE19729585C1 Sewage sludge pyrolysis reactor
10/14/1998EP0870066A1 Method and facility for reprocessing waste
10/14/1998EP0869868A1 Vacuum drying diaphragm filter press plates
10/14/1998CN1196033A Process for treating surplus activated sludge
10/13/1998US5820761 Process for the treatment of organic pollutants in wastewaters by wet oxidation
10/08/1998DE19749041A1 Water treatment process adds flocculant agent
10/08/1998DE19714073A1 Incinerating dried sludge, from e.g. water treatment, in fluidised bed reactor
10/07/1998EP0796143B1 Method for the chemical conversion of complex chemical structures under reducing conditions in a supercritical fluid
10/07/1998CN1195017A Process for extracting crude oil from waste oil sludge
10/07/1998CN1040070C Gas dissolving and releasing liquid treatment system
10/01/1998WO1998042626A1 Remediation material and remediation process for sediments
09/1998
09/30/1998EP0867409A1 Process for the recovery of metals from electrolytic surface treatment sludge
09/30/1998EP0625961B1 Effluent treatment process
09/30/1998CN1194243A Method and device of treating large water body pollution
09/29/1998US5814346 Diatomaceous earth, calcium hypochlorite, flowers of sulphur, lime, soda lime, hydrated lime; hardening, deodorizing, disinfecting dog feces, for example; easy removal.
09/29/1998US5814292 Comprehensive energy producing methods for aqueous phase oxidation
09/29/1998CA2067792C High turndown rotary dryer flights
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