| Patents for B01D 11 - Solvent extraction (12,717) |
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| 07/20/1989 | DE3800461A1 Processes and devices for decontaminating contaminated soils |
| 07/19/1989 | EP0167784B1 Process for the recovery of trioxan from aqueous solutions by high-pressure extraction |
| 07/18/1989 | US4848918 Mixing apparatus |
| 07/18/1989 | CA1257482A1 Metal recovery |
| 07/12/1989 | EP0323699A2 Process and apparatus for the semicontinuous extraction of nicotine from tobacco |
| 07/12/1989 | CN1033748A Recovery of noble metals |
| 07/11/1989 | US4845985 Supercritical fluid chromatography |
| 07/05/1989 | CN1033620A Process for puring and separating isocyanate condensation compounds by extraction with liquid supercritical carbon dioxide |
| 07/04/1989 | US4844814 Purification of biochemical materials |
| 07/04/1989 | US4844808 Liquid/liquid extraction of gallium values |
| 07/04/1989 | US4844801 Mixer-settler apparatus having a submerged chute |
| 06/29/1989 | WO1989005684A1 Mixing-settling apparatus for liquid-liquid extraction |
| 06/28/1989 | EP0321783A2 Preparation method for linseed |
| 06/27/1989 | US4843184 Process for extracting paraffins from their mixtures with paraffinsulfonic acids |
| 06/27/1989 | US4842878 With simultaneous separation of plant protectives |
| 06/27/1989 | US4842745 Process for separating organic compounds from water by extraction |
| 06/27/1989 | US4842693 Apparatus for removing water from ethanol |
| 06/27/1989 | EP0315672A4 A process for the removal of organic contaminants from solids and sediments. |
| 06/21/1989 | EP0321354A1 Device assuring the extraction of a distinct liquid phase |
| 06/21/1989 | EP0321348A1 Process for re-extracting in an aqueous solution plutonium contained in an organic solvent, for use, for instance, in uranium-plutonium separation |
| 06/21/1989 | EP0321055A1 Process for the extraction of lactones from lipid material and use of the extract thus obtained for flavouring foodstuffs |
| 06/21/1989 | EP0320813A1 Process for the continuous extraction of high or non-boiling but melting organic mixtures |
| 06/20/1989 | US4840737 Process for separating solid particles and/or liquid from a suspension and wash column |
| 06/20/1989 | CA1256037A1 Serial flow continuous separation process |
| 06/15/1989 | WO1989005423A1 Apparatus and method for waste disposal |
| 06/15/1989 | WO1989005336A1 Chemical reactions in reverse micelle systems |
| 06/14/1989 | EP0320116A2 Decaffeination of aqueous extracts |
| 06/14/1989 | CN1004469B Process for separating pb, as si from sodium tangstate solution |
| 06/13/1989 | US4839101 Zirconium phosphate absorption from nitric acid solution |
| 06/13/1989 | US4839043 Liquid-to-liquid oil absorption system |
| 06/06/1989 | US4836302 Apparatus and method for removing and recovering oil and/or other oil-based drilling mud additives from drill cuttings |
| 06/06/1989 | CA1255072A1 High capacity reciprocating plate extractor |
| 06/01/1989 | WO1989004858A1 Supercritical fluid reverse micelle separation |
| 06/01/1989 | WO1989004844A1 Processes for microemulsion polymerization employing novel microemulsion systems |
| 06/01/1989 | WO1989004712A1 Process for removing hazardous substances from water or air |
| 05/30/1989 | US4835107 Method for the concentration and separation of actinides from biological and environmental samples |
| 05/30/1989 | US4834951 Common separation of contaminating elements from electrolyte solutions of valuable metals |
| 05/24/1989 | EP0178962B1 Method and apparatus for the compression and transportation of a gas comprising a liquid fraction |
| 05/24/1989 | DE3738880A1 Verfahren zur entfernung von schadstoffen aus wasser oder luft A process for removing pollutants from water or air |
| 05/23/1989 | US4832923 Liquid-liquid extraction columns |
| 05/23/1989 | US4832850 Method and device for mass transport and separation through selective barriers |
| 05/23/1989 | US4832813 Pulsed counterflow extraction column |
| 05/23/1989 | US4832718 Processing nitrogen-rich, hydrogen-rich, and olefin-rich gases with physical solvents |
| 05/17/1989 | EP0315672A1 A process for the removal of organic contaminants from solids and sediments. |
| 05/16/1989 | US4830836 Metal stripping system and an operation process therefor |
| 05/16/1989 | US4830835 Tubular mixer-settler for liquid-liquid countercurrent extraction |
| 05/16/1989 | US4830758 Immersion collector material in liquid carrier; transmitting sound waves, migration of minerals to collector |
| 05/10/1989 | CN2037252U Spraying quasi-liquid film separating device |
| 05/09/1989 | US4828867 Method of extracting hop pellets with liquified carbon dioxide |
| 05/09/1989 | US4828702 Countercurrent extraction, solvent in liquid or supercritical state |
| 05/09/1989 | CA1253672A1 Extractor |
| 05/03/1989 | EP0314352A1 Recovery of noble metals |
| 05/03/1989 | EP0314223A2 Process for the treatment of refinery sludges |
| 05/03/1989 | EP0313921A2 Process for careful decaffeination of green coffee |
| 05/03/1989 | CN1032672A Discharging closed chamber utilizable as extraction tank of continuous vegetable material extraction unit and extraction process comprising application |
| 05/02/1989 | US4827050 Carbon dioxide extraction agent, hydrocarbon entrainer |
| 05/02/1989 | US4826661 Solid block chemical dispenser for cleaning systems |
| 04/26/1989 | EP0313489A1 Process and installation for the treatment of ammoniacal waters |
| 04/26/1989 | EP0313441A1 Device for unloading-loading a closed vessel for use as an extraction tank for a continuously operating extraction unit for vegetable materials, and process using it |
| 04/26/1989 | EP0313201A1 Recovery of germanium from aqueous solutions by solvent extraction |
| 04/26/1989 | EP0312863A2 Apparatus for continuous decaffeination of green coffee |
| 04/26/1989 | EP0312855A2 Process and apparatus for obtaining vegetable fats and oils from oleaginous natural substances |
| 04/26/1989 | CN1032554A Process for recovtry of gallium using liquid-liquid extraction |
| 04/25/1989 | US4824939 Process for leaching particulate solid materials |
| 04/25/1989 | US4824570 Apparatus for the extraction of constituents by a supercritical fluid or pressurized liquid |
| 04/25/1989 | US4824555 Extraction of oil from stable oil-water emulsions |
| 04/25/1989 | US4824430 High-speed centrifugal extractor having spiral liquid path |
| 04/19/1989 | EP0312045A1 Centrifugal extractor |
| 04/19/1989 | EP0140061B1 Process and apparatus for extracting basic substances from natural products |
| 04/18/1989 | US4822880 1,1'-substituted 2,2'-biimidazole or bibenzimidazoles |
| 04/18/1989 | US4822497 Method for solids separation in a wet oxidation type process |
| 04/18/1989 | US4822491 Complexing |
| 04/18/1989 | CA1252609A1 Leaching apparatus |
| 04/11/1989 | US4820869 Method for the separation of leucine |
| 04/11/1989 | US4820417 Use of citric acid partial esters for the extraction of iron |
| 04/06/1989 | WO1989003009A1 Processing nitrogen-rich, hydrogen-rich, and olefin-rich gases with physical solvents |
| 04/06/1989 | WO1989002874A1 Method and apparatus for solids separation in a wet oxidation type process |
| 04/06/1989 | WO1989002774A1 Apparatus and method for removing and recovering oil and/or other oil-based drilling mud additives from drill cuttings |
| 04/05/1989 | CN2035265U Multi-function pot for solvent extraction |
| 04/04/1989 | US4818533 Precipitating from an acidified aqueous solution by adding a mineral acid or salt |
| 04/04/1989 | US4818504 Solvent extraction with water-insoluble substituted 8-hydroxy quinoline |
| 03/30/1989 | DE3731391A1 Process for the extraction of ginsenosides with ammonia |
| 03/29/1989 | EP0309364A2 Process for the purification and isolation of condensed isocyanates by extraction with liquid or supercritical carbon dioxide |
| 03/29/1989 | EP0309312A1 Process for the recuperation of gallium by liquid-liquid extraction |
| 03/29/1989 | EP0308675A1 Process for the supercritical extraction and separation of solid samples |
| 03/28/1989 | US4816407 Production of low-ethanol beverages by membrane extraction |
| 03/28/1989 | US4816275 Supercritical carbon dioxide |
| 03/28/1989 | CA1251620A1 Process and device for the extraction of form-labile, flowable masses |
| 03/21/1989 | US4814518 Process for extracting nitrohydroxyaromatics from aqueous solutions |
| 03/21/1989 | US4814007 Solvent extraction, guanidine compound |
| 03/14/1989 | US4812233 Cylindrical counter-current extraction pressure-resistant chamber with solvent nozzle in bottom |
| 03/14/1989 | CA1251142A1 Process for producing storable camomile extracts rich in active substances |
| 03/07/1989 | US4810387 Solvent extraction, absorption |
| 03/07/1989 | US4810373 Apparatus for separating solids from fluids |
| 03/07/1989 | US4810366 Process for separating a fluid feed mixture containing hydrocarbon oil and an organic solvent |
| 03/02/1989 | DE3828097A1 Process for isolating utilisable substances from natural products and use of an apparatus for carrying out the process |
| 03/02/1989 | DE3727481A1 Electrolytic pipe mixer-settler |
| 03/01/1989 | CN1031334A Improvement of antibiotic solvent extraction |
| 02/28/1989 | US4808426 Vegetable oil extraction process |
| 02/28/1989 | US4808317 Process for continuous contacting of fluids and solids |