More topics under "B01D - Separation" (589,249)
B01D 1 - Evaporating (11,580)
B01D 11 - Solvent extraction (12,717)
B01D 12 - Displacing liquid, e.g. from wet solids or from dispersions of liquids or from solids in liquids, by means of another liquid (868)
B01D 15 - Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor (21,474)
B01D 17 - Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion (15,669)
B01D 19 - Degasification of liquids (12,330)
B01D 21 - Separation of suspended solid particles from liquids by sedimentation (18,338)
B01D 24 - Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof (8,047)
B01D 25 - Filters formed by clamping together several filtering elements or parts of such elements (5,131)
B01D 27 - Cartridge filters of the throw-away type (5,673)
B01D 29 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups; filtering elements therefor (33,527)
B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
B01D 33 - Filters with filtering elements which move during the filtering operation (10,149)
B01D 35 - Filtering devices having features not specifically covered by groups , or for applications not specifically covered by groups; Auxiliary devices for filtration; Filter housing constructions (28,776)
B01D 36 - Filter circuits or combinations of filters with other separating devices (7,816)
B01D 37 - Processes of filtration (4,716)
B01D 39 - Filtering material for liquid or gaseous fluids (24,884)
B01D 41 - Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids (1,149)
B01D 43 - Separating particles from liquids, or liquids from solids, otherwise than by sedimentation or filtration (1,275)
B01D 45 - Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces (11,556)
B01D 46 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours (42,125)
B01D 47 - Separating dispersed particles from gases, air or vapours by liquid as separating agent (12,036)
B01D 49 - Separating dispersed particles from gases, air or vapours by other methods (644)
B01D 5 - Condensation of vapours; Recovering volatile solvents by condensation (6,514)
B01D 50 - Combinations of devices for separating particles from gases or vapours (13,509)
B01D 51 - Auxiliary pretreatment of gases or vapours to be cleaned from dispersed particles (1,271)
B01D 53 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols (135,933)
B01D 57 - Separation, other than separation of solids, not fully covered by a single other group or subclass, e.g. (3,468)
B01D 59 - Separation of different isotopes of the same chemical element (5,386)
B01D 61 - Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor (28,150)
B01D 63 - Apparatus in general for separation processes using semi-permeable membranes (15,233)
B01D 65 - Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes (9,726)
B01D 67 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus (11,858)
B01D 69 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor (16,729)
B01D 7 - Sublimation (732)
B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060)
B01D 8 - Cold traps; Cold baffles (787)
B01D 9 - Crystallisation (5,388)
Patents for B01D - Separation (1,935)
03/1995
03/15/1995EP0642379A1 Method to purify gases
03/10/1995CA2131784A1 Particle analysis and sorting
02/1995
02/22/1995EP0564475B1 Use of special carboxylic acid esters as anti-foaming agents
02/02/1995WO1995003031A1 Hair relaxer compositions
01/1995
01/11/1995EP0313648B1 Process for nitrogen oxides reduction and minimization of the production of other pollutants
01/10/1995US5380498 By adding particles of reagent, wetting reactor, fabric filter separator
01/03/1995US5378485 Antifoam agents with fatty alcohol ethers of ethylene glycol with carbonic acid
01/03/1995US5378369 Of beta carotene from aqueous algae suspension by mixing with vegetable oil to dissolve it and separation by filtration through semipermeable membrane
12/1994
12/07/1994EP0626876A1 Process, apparatus and composition for recycling engine coolant
11/1994
11/18/1994CA2123615A1 Use of diluents to incorporate thickeners in latex paints
11/16/1994CN1094989A Core of filter
10/1994
10/19/1994CN1093611A Improvements in or relating to separators
10/19/1994CN1026214C Process for producing oxygen enriched product stream
10/05/1994CN1026069C Process and equipment for crystallising an inorganic substance
09/1994
09/25/1994CA2119528A1 Rotating shaft lifting assembly
09/06/1994CA2001173C Relating to the recovery of silver
08/1994
08/31/1994EP0612725A1 Solvent extraction of beta-carotene
08/31/1994EP0515474B1 method and apparatus for the purification of waste gases
08/24/1994EP0611322A1 Improvements in or relating to separators.
07/1994
07/05/1994CA1330559C Vehicle exhaust gas systems
06/1994
06/29/1994CN1088471A Purification of argon by cryogenic adsorption
05/1994
05/18/1994CN1024524C Method for operation of claus-apparatus
05/10/1994US5310528 Reacting with absorbent activated by wetting; air pollution control
05/10/1994CA1329394C Production of trisubstituted hydroxyalkyl alkanoates from aldehydes
05/04/1994EP0535013B1 Method and apparatus for crystallizing a mineral substance
05/04/1994EP0489738B1 Method and apparatus for treating fiber suspension
04/1994
04/20/1994EP0592646A1 Method and device for fractionating a mixture in a simulated fluidized bed in the presence of a compressed gas, a supercritical fluid or a subcritical fluid
04/20/1994CN1085463A Transporting element of a reciprocable scraper for moving sludge in settling basins and similar objects at water purification plants
03/1994
03/22/1994US5296000 Process and equipment for crystallizing an inorganic substance
03/15/1994CA2062957C Method and apparatus for treating fibre suspension
03/09/1994CN1083417A Alkylation catalyst regeneration
03/08/1994CA1327482C Pump for filtration systems
03/04/1994WO1993004759A1 Wastewater treatment process
02/1994
02/16/1994EP0504187B1 Dual impeller method and apparatus for effecting chemical conversion
02/03/1994WO1993022020A3 Closed vessel for isolating target molecules and for performing amplification
01/1994
01/19/1994EP0579330A1 Process for the distillation of Fischer-Tropsch products
01/15/1994CA2100012A1 Process for the distillation of fischer-tropsch products
01/12/1994EP0458842B1 Apparatus and process for the elimination of atmospheric pollution
01/11/1994CA1326006C Particulate material suitable for selectively separating metal cations from aqueous solutions, process for its production, and use thereof
12/1993
12/29/1993EP0575567A1 Wastewater treatment process.
11/1993
11/23/1993US5264138 Method and apparatus for treating a fiber suspension
11/11/1993WO1993022022A1 Method and device for fractionating a mixture in a simulated fluidized bed in the presence of a compressed gas, a supercritical fluid or a subcritical fluid
11/11/1993WO1993022020A2 Closed vessel for isolating target molecules and for performing amplification
11/02/1993CA1323845C Membrane filtration apparatus and method of making a membrane filtration unit
10/1993
10/09/1993CA2086697A1 High temperature filter bag support rings
08/1993
08/18/1993EP0410961B1 A method and an apparatus for separating solid particles from a liquid
08/05/1993WO1993014851A1 Process, apparatus and composition for recycling engine coolant
08/03/1993CA1320911C Purification of effluent from wood pulp bleach plant
07/1993
07/31/1993CA2068013A1 Cationic polyelectrolyte demulsifier and coagulator
07/13/1993US5227064 Filter for continuous filtration
06/1993
06/24/1993WO1993011855A1 Method to purify gases
06/24/1993CA2126073A1 Method to purify gases
06/23/1993EP0304478B1 Process for nitrogen oxides reduction with minimization of the production of other pollutants
06/08/1993CA1318862C Hollow fibre filter cartridge and header
05/1993
05/19/1993CN1020675C Mixing-type precipitating apparatus of liquid-liquid extraction
04/1993
04/29/1993WO1993007948A1 Improvements in or relating to separators
04/29/1993CA2120000A1 Improvements in or relating to separators
04/21/1993EP0354220B1 Multi-stage process for reducing the concentration of pollutants in an effluent
04/07/1993EP0535013A1 Method and apparatus for crystallizing a mineral substance.
04/06/1993CA1315668C Filter-device and a filter-appliance from such filter-device
03/1993
03/27/1993CA2078959A1 Method of and apparatus for treating malodorous gases
03/23/1993CA1314817C Filter for hot melt adhesive
03/17/1993EP0532484A1 Transporting element of a reciprocable scraper for moving sludge in settling basins and similar objects at water purification plants
03/03/1993EP0529682A2 Membrane filtration unit and cassette, and method of making a membrane filtration unit
02/1993
02/24/1993CN1069206A Producing oxygen enriched product stream
02/16/1993US5186821 Wastewater treatment process with cooperating velocity equalization, aeration and decanting means
02/14/1993CA2072690A1 Transporting element of a reciprocable scraper for moving sludge in settling basins and similar objects at water purification plants
02/10/1993CN1068752A Improved process for recovering organic vapors from air
01/1993
01/05/1993CA1312292C Filtering bag and filter
12/1992
12/15/1992CA1311471C Nucleophilic material modified for improved biocompatibility
12/09/1992EP0326563B1 A method for cleansing gas and apparatus herefor
12/08/1992CA1311107C Process for nitrogen oxides reduction with minimization of the production of other pollutants
12/02/1992EP0515474A1 method and apparatus for the purification of waste gases.
11/1992
11/25/1992EP0462967B1 Chlorine-resistant semipermeable membranes
11/11/1992EP0277214B1 Compressed air modifier
11/11/1992CN1019008B Process for separation of hf via phase separation and distillation
11/03/1992CA2086320A1 Oil/water separation system
10/1992
10/27/1992CA1309360C Dewatering slurries
10/27/1992CA1309230C Process for nitrogen oxides reduction and minimization of theproduction of other pollutants
10/21/1992EP0509561A2 Method and apparatus for treating fiber suspension
10/20/1992CA1308878C Mass transfer extraction of liquids from solids
10/07/1992EP0259336B1 A method and an apparatus for separating bodies from a liquid
09/1992
09/23/1992EP0504187A1 Dual impeller method and apparatus for effecting chemical conversion.
08/1992
08/18/1992CA1306341C Process for the reduction of nitrogen oxides in an effluent
08/12/1992EP0301022B1 Apparatus for exchanging ions, molecules, gas, liquid and/or heat between fluids
08/04/1992US5135364 Pump mounting apparatus for filtration system
07/1992
07/22/1992EP0302123B1 Settler for liquid-liquid extractors
07/14/1992CA1305045C Method for cleansing gas and apparatus herefor (ii)
07/01/1992EP0385983B1 Device for the washing of smoke gas
06/1992
06/25/1992WO1992011073A1 Use of special carboxylic acid esters as anti-foaming agents
06/25/1992DE4041754A1 Verwendung von speziellen kohlensaeureestern als schaumbekaempfungsmittel Use of special kohlensaeureestern as schaumbekaempfungsmittel
06/25/1992CA2099010A1 Use of special carbonic acid esters as foam control agents
06/16/1992CA1303593C Method for refining glyceride oils using partially dried amorphous silica hydrogels
06/09/1992CA1302906C Adsorption process
06/02/1992US5118344 From silver halide emulsion
05/1992
05/26/1992CA1301666C Filter press with a plurality of membrane filter plates
05/20/1992EP0324763B1 A method for cleansing gases and apparatus herefor
05/19/1992US5114583 Filter unit with high volumetric efficiency and reduced filtering surface
05/06/1992CA2095116A1 Use of chlorous acid for removing sulfur dioxide from combustion gases
04/1992
04/22/1992EP0207951B1 Osmotic concentration by membrane
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