| Patents for B01D 11 - Solvent extraction (12,717) |
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| 02/10/1981 | US4249699 From mineral matter |
| 02/10/1981 | CA1095262A1 Method for the removal of ferric ions from a concentrated aqueous zinc solution |
| 02/04/1981 | EP0023428A1 Liquid-liquid process for extracting metals using organo-phosphorous compounds |
| 02/03/1981 | US4248835 Apparatus for extracting with a liquid products which are part of solids |
| 02/03/1981 | CA1094818A1 Process for the separation of recuperable values in titanium residues in sulphate form |
| 02/03/1981 | CA1094813A1 Recovery of chromium values |
| 01/28/1981 | EP0022939A1 Liquid-liquid centrifugal contacting machine |
| 01/27/1981 | US4247570 With supercritical carbon dioxide in admixture with an adsorbent |
| 01/27/1981 | US4247521 Liquid-liquid contacting system |
| 01/27/1981 | CA1094296A1 Effecting liquid-liquid contact |
| 01/20/1981 | US4246291 Decaffeination of aqueous extracts |
| 01/20/1981 | US4246238 Dissolver for removing nuclear fuel materials from fuel element segments |
| 01/20/1981 | CA1093830A1 Recovery of manganese values |
| 01/14/1981 | EP0022186A1 Apparatus for liquid-liquid extraction |
| 01/13/1981 | US4244923 Apparatus for and methods of contacting materials |
| 01/13/1981 | US4244656 Apparatus for contacting liquids and solids with liquids |
| 01/07/1981 | EP0022077A2 Process and apparatus for the separation of one or several dissolved substances with the aid of two immiscible liquid phases |
| 01/07/1981 | EP0021990A1 Process for treating mixtures of rare earth oxides and gallium oxides |
| 01/07/1981 | EP0021606A1 Apparatus and process for treating a liquid material while it is subjected to a centrifugal force |
| 01/07/1981 | EP0021540A1 Process for contacting a gaseous phase with at least one liquid phase and at least one divided solid phase |
| 01/07/1981 | EP0021479A1 Process and plant for the removal of acidic components |
| 01/07/1981 | EP0020598A1 Disposable filter bag and a method of making extraction beverages. |
| 01/07/1981 | EP0020483A1 Improvements relating to extractants. |
| 01/06/1981 | CA1092790A1 Apparatus for liquid-liquid extraction |
| 12/23/1980 | US4241029 Hydroxyquinoline |
| 12/23/1980 | CA1091936A1 Iron removal from solutions |
| 12/16/1980 | US4239616 Removing entrained resinous bodies from extracted oil |
| 12/16/1980 | CA1091615A1 Use of n-methyl-morpholine-3-one in the extractive distillation of hydrocarbons |
| 12/16/1980 | CA1091600A1 USE OF CYCLIC CARBONIC ACID ESTERS AS SOLVENTS FOR POLY-(.beta.-HYDROXYBUTYRIC ACID) |
| 12/16/1980 | CA1091448A1 Ion exchange process for the purification of base metal electrolyte solutions |
| 12/10/1980 | EP0020094A1 An improved solvent extraction process for providing lubricating oil fractions |
| 12/10/1980 | EP0020055A1 Process and apparatus for effecting mass transfer |
| 12/10/1980 | EP0020026A1 Solvent extraction apparatus and process |
| 12/09/1980 | CA1091042A1 Solvent-extraction process for recovery and separation of metal values |
| 11/27/1980 | WO1980002554A1 Method for recovering molybdenum from tungsten solutions |
| 11/25/1980 | US4235602 Installation for mixing and separating two non-miscible liquids, inter alia for liquid-liquid extraction |
| 11/25/1980 | CA1090145A1 Extraction recovery of certain metal values |
| 11/25/1980 | CA1090143A1 Method of recovering zinc from a material containing zinc and iron |
| 11/18/1980 | US4234546 Dioxime complexing agent |
| 11/18/1980 | US4234544 Liquid-liquid extraction apparatus |
| 11/18/1980 | US4234429 System for separating particulate matter into soluble and insoluble portions |
| 11/18/1980 | CA1089699A1 Process for the decaffeination of coffee |
| 11/11/1980 | CA1089198A1 Liquid-liquid contacting system |
| 11/04/1980 | US4231992 Three-phase counter-double-current apparatus |
| 11/04/1980 | US4231888 Composition used for extracting copper from aqueous copper salts |
| 10/28/1980 | US4230675 Apparatus for leaching core material from clad nuclear fuel pin segments |
| 10/28/1980 | US4230184 Sulfur extraction method |
| 10/28/1980 | CA1088275A1 Removal of selenium from urethane solutions |
| 10/21/1980 | US4228950 Horizontal flow-through coil planet centrifuge |
| 10/15/1980 | EP0017527A1 Iodine extraction process |
| 10/15/1980 | EP0017500A2 A process for the separation of a strong mineral acid from an aqueous solution |
| 10/14/1980 | US4228009 Toroidal coil planet centrifuge |
| 10/14/1980 | CA1087633A1 Process for the production of polyaryl amines containing methylene bridges |
| 10/01/1980 | EP0016673A1 Process for the solubilization of organic or mineral salts in organic solvents and complexes of organic or mineral salts |
| 10/01/1980 | EP0016013A1 Device for high efficiency continuous countercurrent extraction using a rotating helical tube. |
| 09/30/1980 | CA1086474A1 Process and apparatus for recovering alcoholic phosphoric acid solutions from acid phosphates |
| 09/23/1980 | CA1086076A1 Process for the elimination of accumulated iron in organic phases of fluid-fluid extraction that contain di-2-ethyl-hexyl phosphoric acid |
| 09/23/1980 | CA1086070A1 Separation and purification of platinum and palladium |
| 09/18/1980 | WO1980001881A1 Method and apparatus for the recovery of solvent from a solution,in particular an extract,and for storing the recovered solvent |
| 09/16/1980 | CA1085593A1 Apparatus for solvent extraction |
| 09/16/1980 | CA1085592A1 Countercurrent decantation |
| 09/09/1980 | US4221769 Process for preventing the formation of calcium sulphate scale |
| 09/09/1980 | US4221764 Horizontal extractor |
| 09/09/1980 | US4221659 Process for reducing dichlorobutene contamination in aqueous plant wastes |
| 09/09/1980 | US4221658 Effecting liquid-liquid contact |
| 09/09/1980 | CA1085226A1 Drive means for desolventizer toaster |
| 09/09/1980 | CA1085221A1 Process for the extraction of vegetable materials |
| 09/09/1980 | CA1085172A1 Flotation process |
| 09/02/1980 | US4220279 Installation for the centrifugal extraction of one liquid by another |
| 08/20/1980 | EP0014685A1 Process for the extraction and/or refining of animal fats |
| 08/20/1980 | EP0014629A1 Process for the recovery of ruthenium present in an aqueous nitric solution and application of this process to a nitric solution obtained by dissolution of irradiated nuclear fuel elements |
| 08/19/1980 | US4218311 Fluid flow of dispersion through one of more coalescers |
| 08/19/1980 | CA1083881A1 Separation and recovery of coffee aroma constituents from roasted coffee |
| 08/19/1980 | CA1083830A1 Ion exchange treatment of zinc values |
| 08/19/1980 | CA1083828A1 Extraction of copper values from aqueous solutions with hydroxy-oximes |
| 08/14/1980 | EP0016013A4 Device for high efficiency continuous countercurrent extraction using a rotating helical tube. |
| 08/12/1980 | US4217331 Disposable float dispenser |
| 08/06/1980 | EP0014179A1 Device for extracting components from solid and semi-solid materials |
| 08/05/1980 | CA1082946A1 Drive assembly for the rotor of a solvent extractor |
| 07/29/1980 | CA1082739A1 Extracts of hops material |
| 07/29/1980 | CA1082672A1 Process and apparatus for regenerating adsorbents and wastewater treatment embodying the same |
| 07/29/1980 | CA1082606A1 Process and apparatus for regenerating polymeric adsorbents and wastewater treatment embodying the same |
| 07/23/1980 | EP0013640A2 Membrane pulsator |
| 07/22/1980 | US4213941 For solid materials having extractable component |
| 07/22/1980 | US4213793 Dissolving separating and crystallizing sulfur |
| 07/15/1980 | US4212723 Counterflow extraction column |
| 07/09/1980 | EP0013177A1 Use of hot N-methyl-2-pyrrolidone (NMP) from solvent extraction operation to supply heat to strip H2S from NMP-scrubbing solution |
| 07/09/1980 | EP0012903A1 Process for separating isotopes |
| 07/08/1980 | US4211752 Hinged load dumping door for multi-cell extractors |
| 06/25/1980 | EP0012687A1 Process and installation for the extraction of soluble ingredients from raw vegetable materials |
| 06/17/1980 | US4208382 Removing H2 S from gas with recycled NMP extraction solvent |
| 06/17/1980 | US4208284 Apparatus for distribution separation processes |
| 06/17/1980 | US4208263 Subjecting to voltage gradients |
| 06/17/1980 | CA1079652A1 Solvent extraction apparatus with baffle in liquid interface region |
| 06/17/1980 | CA1079488A1 Treatment method of raw materials containing titanium |
| 06/10/1980 | US4207294 Solvent extraction with organic phosphorus compounds |
| 06/10/1980 | US4207174 Liquid-liquid extraction apparatus and process |
| 06/10/1980 | CA1079008A1 Solvent pulping process |
| 05/29/1980 | WO1980001037A1 Disposable filter bag |
| 05/27/1980 | US4204934 Desalting |