Patents for C02F 11 - Treatment of sludge; Devices therefor (21,423)
01/1995
01/25/1995CN1097717A Low temperature caustic sulfide wet oxidation process
01/24/1995US5384051 To accelerate oxidation of fuels
01/19/1995DE4323811A1 Method and arrangement for removing liquid from a solid/liquid mixture
01/17/1995US5382368 Method for dewatering sludge
01/17/1995US5382356 Method and apparatus for controlling sludge dewatering
01/12/1995DE4321994A1 Method for the control of quantities of chemical aids and flocculants as a function of an on-line mass-solids measurement for clarification and dewatering processes of all kinds, and installation for carrying out the method
01/10/1995US5380445 Pretreatment of microbial sludges
01/10/1995US5380436 Solid-liquid separator
01/05/1995WO1995000446A1 Method for the treatment of water treatment sludge
01/05/1995WO1995000182A1 Compositions for deodorising animal excreta, and deodorising method therefor
01/05/1995CA2166125A1 Compositions and process for the deodorization of dung
01/04/1995EP0631998A1 Functional ceramics
01/03/1995US5377917 Processing waste materials for anaerobic digestion of the biogenic-organic constituents
01/03/1995US5377423 Sludge dehydrating press and method for treating sludge
12/1994
12/27/1994US5376285 In presence of catalytically effective metal chelate from group of porphyrins, corrinoids, tetrapyridinoporphyrazines and phthalocyanines
12/27/1994US5375343 Evaporator for drying sludges
12/24/1994WO1995000559A1 Sludge dehydrating agent
12/23/1994CA2098932A1 Activated industrial production of biological gas and compost using liquid manure anaerobic mesophilic fermentation
12/22/1994WO1994029230A1 A method and apparatus for drying sludges
12/22/1994WO1994029229A1 Preparation of free-flowing solids from aqueous waste
12/21/1994EP0629178A1 Apparatus for treatment of effluent
12/21/1994EP0441938B1 Process and installation for extracting fat and/or protein-containing material from fat-containing liquid material, in particular from slaughter deposits and waste
12/20/1994US5373647 Method and a system for drying sludge
12/20/1994US5373646 Process and apparatus for drying material to be dried
12/13/1994US5372725 Method for separation and removal of impurities from liquids
12/07/1994EP0627269A1 Process for treating contaminated soils, sludges or the like
12/06/1994US5370801 Method for treating polluted material
12/06/1994US5370800 Method for removing metal compounds from waste water
12/01/1994DE4418079A1 Sludge dewatering plant
11/1994
11/30/1994EP0626439A1 Water-managed solvent extraction process for organic wastes
11/30/1994EP0626217A1 Method for working up waste materials and object obtained with the method
11/30/1994EP0626216A1 Method for working up waste materials
11/30/1994EP0625961A1 Effluent treatment process
11/30/1994CN1095648A Compositions and methods for waste treatment
11/29/1994US5368750 Oxidation
11/25/1994CA2116639A1 Water-managed solvent extraction process for organic wastes
11/23/1994EP0625065A1 Heavy-liquid processing installation and its use.
11/23/1994EP0535197B1 System for separating biological sludge from purified water
11/22/1994US5367116 Process for the disposal of flue gas residues
11/22/1994US5366637 Method for dewatering municipal solid waste refuse
11/22/1994US5366622 Procedure and installation for conditioning and subsequent dewatering of sludge
11/17/1994EP0624555A1 Wet oxidation treatment of caustic sulfide liquor
11/17/1994EP0624551A1 Method for the re-treatment of residue generated from the removal of fluorine dissolved in waste water
11/16/1994CN1095046A Method for the re-treatment of residue generated from the removal of fluorine dissolved in waste water
11/16/1994CN1095045A Method for the re-treatment of residue generated from the removal of fluorine dissolved in waste water
11/15/1994US5364441 Cotreatment of sewage and steelworks wastes
11/10/1994WO1994025402A1 Process and apparatus for the treatment of waste water
11/10/1994DE4315321A1 Apparatus and process for drying sludges and polluted liquids by solar radiation
11/10/1994DE4315074A1 Process and apparatus for dewatering sludges
11/09/1994EP0623630A2 Water-in-oil polymer emulsions, process for their preparation and their use
11/09/1994EP0623560A1 Method for the re-treatment of residue generated from the removal of fluorine dissolved in waste water
11/08/1994US5362771 Process for inclusion in (meth)acrylic resins of substances of liquid to solid consistency
11/01/1994US5360546 Method for treating organic sludge
11/01/1994CA2042843C Process for the emission-free drying of a substance in a drying drum
10/1994
10/31/1994CA2095292A1 Sludge de-watering press
10/30/1994CA2122223A1 Method for treatment of impounded sludges, soils and other contaminated solid materials
10/27/1994WO1994024071A1 Device and method for the composting and wet-fermentation of biological waste
10/27/1994WO1994024059A1 Process and device for processing and/or dewatering sludge liquor from waste water tanks, in particular small sewerage purification plants
10/27/1994CA2161005A1 Device and process for composting and wet fermentation of biological waste
10/26/1994EP0621336A2 Control of a fermentation plant
10/26/1994EP0539430B1 Bioreactor
10/26/1994CN2180647Y Active closing material charging and discharging device for methane-geneerating pits
10/25/1994US5358646 Non-catalytic oxidation in first reaction zone to first intermediate; catalytic oxidation in second zone to another intermediate or end product; treatment of industrial and municipal waste waters
10/25/1994US5358645 Supercritical water oxidation is used for waste processing including corrosive acids, bases and salts; combustion
10/25/1994US5357880 Raw sewage disposal apparatus
10/25/1994US5357879 Dried sludge melting furnace
10/25/1994CA1332764C Method for purification of waste water
10/25/1994CA1332763C Fluidised bed reactor for biological purification of effluent
10/20/1994DE4312473A1 Pre-sieve for pressing-worm separators for separating and dewatering solids from liquids
10/19/1994EP0620273A1 Process and system for an aerobic fermentation of organic materials
10/19/1994EP0620192A1 Solid-liquid separator for sludge
10/18/1994US5356540 Pumpable aqueous slurries of sewage sludge
10/16/1994CA2121306A1 Apparatus and method for preferentially separating volatilizable components of a matrix
10/13/1994DE4311769A1 Process for clearing and disposing of waste landfills
10/12/1994EP0618882A1 Improved process for separating red mud in production of alumina from bauxite.
10/11/1994US5354482 Process and apparatus for oxidizing industrial spent caustic and effecting gas-liquid mass transfer and separation
10/05/1994EP0563097B1 Processing waste solidification
10/04/1994CA1332250C Method for the processing of organic compounds
09/1994
09/29/1994DE4330422C1 Process and plant for disposing of the contents of multiple chamber ditches and sumps
09/29/1994DE4322036C1 Sludge trap unit
09/28/1994EP0616759A1 Process and apparatus to produce concentrated protein extract from liquid phase of manure
09/27/1994US5350684 Extremely halophilic methanogenic archaebacteria
09/22/1994DE4308920A1 Device for the treatment of biorefuse or the like
09/21/1994EP0615957A1 Device for dehydrating sludge waste
09/21/1994CN1092387A Device for dehydrating sladge waste
09/20/1994US5347938 Methods for processing wastes using potential heat of waste gas prior to incineration
09/20/1994CA1332080C Apparatus and process for forming uniform, pelletizable sludge product
09/14/1994EP0554285B1 Process for recovering raw materials from paper-industry mechanical waste sludges
09/13/1994US5347077 Hydraulic cement binder, iron salt and manganese salt to react with toxic compounds
09/13/1994US5347072 Sulfur
09/13/1994US5346616 Apparatus for pathogen reduction in waste
09/06/1994CA1331890C Process for treatment of water containing volatile and toxic compounds
09/06/1994CA1331824C Compositions to encapsulate chromium, arsenic, and other toxic metals in wastes
08/1994
08/31/1994EP0612697A1 Purification of salt containing waste water by wet oxidation at supercritical conditions
08/30/1994US5342769 Dechlorination of tetrachloroethylene and trichloroethylene
08/25/1994DE4241328C1 Process for recovering pure lignin derivatives from sludges
08/24/1994CN1091151A Partial oxidation of sewage sludge
08/23/1994US5340472 Apparatus for processing wastes from the machining of ferromagnetic materials
08/23/1994US5339621 Waste treatment system and method utilizing pressurized fluid
08/18/1994WO1994018128A1 Supercritical oxidation reactor apparatus and method