| Patents for B01D 11 - Solvent extraction (12,717) |
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| 06/01/1982 | US4332684 Process for treating an organic phase containing iron chloride, molybdenum chloride and HCl |
| 05/26/1982 | EP0052276A1 Method for reducing oligomeric cyclic ether content of a polymerizate |
| 05/25/1982 | US4331695 Heating to precipitate extracted glycerides from liquified gaseous solvents; food processing |
| 05/25/1982 | CA1124085A1 Liquid-liquid extraction of nickel values |
| 05/19/1982 | EP0052078A2 Process for degreasing a solid mass containing fine particles of meat and water |
| 05/18/1982 | CA1123751A1 Centrifugal method and apparatus for processing fluid materials |
| 05/11/1982 | US4329319 Apparatus for extracting pulverous or granular material |
| 05/11/1982 | CA1123175A1 Removing h.sub.2s from tail gas with recycled nmp extraction solvent |
| 05/04/1982 | US4328255 Method of extracting coffee oil containing aroma constituents from roasted coffee |
| 05/04/1982 | US4328094 Apparatus and process for the beneficiation, washing, elutriation and cleaning of particulate solids and recovery of chemical values |
| 05/04/1982 | CA1122783A1 Process for the recovery of liquid extractant and acid from emulsions formed during metal recovery from acid solutions |
| 05/04/1982 | CA1122782A1 Mass transfer process |
| 04/28/1982 | EP0050431A1 Protein production |
| 04/27/1982 | US4326985 Micellar solutions of thin film spreading agents comprising an acylated polyether polyol |
| 04/27/1982 | US4326984 Demulsifiers |
| 04/27/1982 | US4326983 Micellar solutions of thin film spreading agents comprising a polyether polyol |
| 04/27/1982 | US4326968 Method for breaking petroleum emulsions and the like using micellar solutions of thin film spreading agents comprising polyepoxide condensates of resinous polyalkylene oxide adducts and polyether polyols |
| 04/27/1982 | US4326666 Centrifugal type counterflow contact apparatus |
| 04/27/1982 | CA1122589A1 Process for obtaining natural terpenes having an antipsoriatic activity |
| 04/27/1982 | CA1122420A1 Rare earth separation process |
| 04/21/1982 | EP0050012A1 Process and apparatus for the continuous extraction of oils and soluble substances from solid materials |
| 04/20/1982 | US4325888 Peroxidation, countercurrent flow |
| 04/15/1982 | WO1982001139A1 Treatment of pulps of liquid and particulate material |
| 04/14/1982 | EP0049676A1 Solvent extraction process and apparatus |
| 04/14/1982 | EP0049567A1 Process for the extraction of precious metals from solutions thereof |
| 04/13/1982 | US4324661 Centrifugal |
| 04/13/1982 | US4324651 Solvent extraction of mineral oil with methanol |
| 04/06/1982 | US4323539 Apparatus for continuously leaching ore |
| 04/06/1982 | US4323119 Vibratory apparatus for mining shale oil or the like |
| 03/30/1982 | US4322445 Process for decaffeinating coffee |
| 03/30/1982 | US4321856 Diaphragm pulser |
| 03/24/1982 | EP0048239A1 Two-phase counterflow device |
| 03/24/1982 | EP0048103A1 Process for the extraction of precious metals from concentrates thereof |
| 03/24/1982 | EP0048034A2 Apparatus for effecting liquid-liquid contact |
| 03/23/1982 | US4321138 Method and apparatus for preparative countercurrent chromatography employing a rotating column assembly |
| 03/17/1982 | EP0047333A1 Apparatus for the continuous feeding of extractors with material to be extracted and extraction material, and its use |
| 03/17/1982 | EP0047332A1 Apparatus for the continuous feeding of extractors with material to be extracted and with extraction material, and its use |
| 03/16/1982 | US4320099 Process for nickel removal from concentrated aqueous cobaltous sulfate solutions |
| 03/16/1982 | CA1120054A1 Extraction process |
| 03/16/1982 | CA1119817A1 Method for the recovery of metallic copper |
| 03/16/1982 | CA1119781A1 Method and apparatus for solid-liquid extraction steps |
| 03/10/1982 | EP0046974A2 Process for the production of high-purity metallic iron |
| 03/10/1982 | EP0046973A1 Process for the production of high-purity iron oxide |
| 03/09/1982 | US4318892 Heap leaching device |
| 03/03/1982 | EP0046706A2 Supported sequestering agents, process for their production and their use in organic synthesis and extraction of metals |
| 03/02/1982 | US4317804 Process for the selective removal of ferric ion from an aqueous solution containing ferric and other metal ions |
| 03/02/1982 | CA1119003A1 Process for extracting tungsten from alkali metal tungstate solutions |
| 02/24/1982 | EP0046419A2 Pulsating column with intermediate settler |
| 02/24/1982 | EP0046390A2 Method of concentrating aqueous solutions by extraction of water with a polar organic liquid |
| 02/23/1982 | US4316808 Method for breaking petroleum emulsions and the like using micellar solutions of thin film spreading agents comprising an acylated polyether polyol |
| 02/16/1982 | US4315801 Apparatus for the solvent extraction of aromatic hydrocarbons from a hydrocarbon mixture |
| 02/10/1982 | EP0045735A2 Liquid-liquid extraction of aqueous liquids containing ions |
| 02/09/1982 | US4314974 Solvent extraction method using static mixers |
| 02/09/1982 | US4314886 For dewaxing hydrocarbons |
| 02/09/1982 | CA1117767A1 Process for liquid/liquid extraction recovery of gallium contained in very basic solutions |
| 02/09/1982 | CA1117739A1 Polyether compounds |
| 02/02/1982 | US4313912 Apparatus for the continuous extraction of oils and soluble substances from solid materials |
| 02/02/1982 | US4313826 Liquid-liquid extraction apparatus |
| 01/26/1982 | US4312836 Dissolving nuclear fuels in nitric acid |
| 01/26/1982 | CA1116871A1 Process for extracting nickel from pre-reduced lateritic ore |
| 01/19/1982 | US4311675 Maintaining reductive strip efficiency in uranium recovery processes |
| 01/19/1982 | US4311673 Apparatus for extracting with a liquid, products which are part of solids |
| 01/19/1982 | US4311561 Apparatus for extracting bitumen from tar sand |
| 01/19/1982 | US4311495 Separating carbon dioxide and ethane by liquid-liquid extraction |
| 01/13/1982 | EP0043765A1 Process for separating trivalent actinide and lanthanide values from an aqueous acid solution |
| 01/12/1982 | CA1115983A1 Device for high efficiency continuous countercurrent extraction using a rotating helical tube |
| 01/12/1982 | CA1115967A1 Process for desulfurization of coal and ores |
| 01/05/1982 | US4309306 Demulsifiers for water in oil emulsions; enhanced oil recovery |
| 01/05/1982 | CA1115594A1 Process for extracting caffeine from solutions thereof in carbon dioxide under high pressure |
| 12/30/1981 | EP0042821A2 Use of succinylosuccinic acid diesters as liquid membranes and process for the selective separation of cations |
| 12/29/1981 | US4308200 Extraction of coniferous woods with fluid carbon dioxide and other supercritical fluids |
| 12/22/1981 | US4307064 Solvent extraction apparatus |
| 12/22/1981 | US4307063 Fluid contacting apparatus |
| 12/22/1981 | US4306981 Method for breaking petroleum emulsions and the like comprising resinous polyalkylene oxide adducts |
| 12/22/1981 | US4306975 Sieve apparatus containing a rotatable circular sieve |
| 12/22/1981 | US4306881 Hydrocarbon fuels containing carbon particles |
| 12/22/1981 | CA1114773A1 Process and apparatus for application of electrostatic fields to mixing and separating fluids |
| 12/15/1981 | US4306058 Method for reducing oligomeric cyclic ether content of a polymerizate |
| 12/15/1981 | US4305907 Liquid-liquid extraction apparatus |
| 12/15/1981 | US4305814 Energy efficient process for separating hydrocarbonaceous materials into various fractions |
| 12/15/1981 | US4305735 Method for improving dissolution efficiency in gas-absorption and liquid extraction processes |
| 12/15/1981 | CA1114531A1 Extraction unit |
| 12/08/1981 | US4304742 Process for the continuous removal of undesirable components of solid particles by a solvent applied in counterflow |
| 12/08/1981 | CA1113696A1 Hinged load dumping door for multi-cell extractors and the like |
| 12/02/1981 | EP0040643A1 Method for separating particulate matter into soluble and insoluble portions and apparatus for performing said method |
| 11/24/1981 | US4302200 Aqueous sulfite solution |
| 11/24/1981 | CA1113030A1 Horizontal extractor |
| 11/18/1981 | EP0040178A2 Process for the manufacture of flavour concentrates from vegetable and/or animal substances |
| 11/17/1981 | US4301125 Comprising peroxymonosulfuric acid |
| 11/17/1981 | CA1112602A1 Process and apparatus for mixing and separation in a solvent extraction |
| 11/17/1981 | CA1112460A1 Solvent extraction process |
| 11/10/1981 | US4299798 Hydraulic separation |
| 11/10/1981 | US4299724 Mixing the emulsion with water, then heat treatment |
| 11/10/1981 | CA1112023A1 Installation for the centrifugal extraction of one liquid by another |
| 11/03/1981 | CA1111825A1 Regeneration of organic extractants containing alpha hydroxyoximes |
| 11/03/1981 | CA1111783A1 Method and apparatus for handling crud during solvent extraction |
| 10/27/1981 | US4297324 Apparatus for the continuous processing of compounds in a liquid |
| 10/20/1981 | US4296072 Apparatus for the treatment of wet solids, especially pulpy materials, by heating or cooling |
| 10/20/1981 | CA1110909A1 Continuous desorption process for aroma flavor concentrate |
| 10/13/1981 | US4294805 Method of leaching the contents of a can |