Patents for B01D 11 - Solvent extraction (12,717)
02/1988
02/02/1988US4722787 Electrode with two layers of different insulating materials
02/02/1988CA1232290A1 Separation of methanol from mixtures containing it
02/02/1988CA1232142A1 Leaching and washing a flocculated slurry having a fiber content
01/1988
01/28/1988DE3624626A1 Process for separating off substances from a mixture of substances using magnetic liquids
01/27/1988EP0254610A1 Process for separating mixtures by extraction with the aid of supercritical fluid
01/27/1988CN87100129A Multistage counter-current washing disposition and their treatment method
01/26/1988US4721605 Selective removal of metals from aqueous solutions with dithiophosphinic acids
01/26/1988US4721571 Method for dispersing two phases and for setting the dispersed phases
01/26/1988US4721035 Infusion extractor
01/21/1988DE3622847A1 Process for preserving animal and vegetable materials
01/20/1988CN87104470A Process desulfurizing organic polysulfides
01/14/1988WO1988000081A1 Process for separating volatile substances
01/13/1988EP0252785A1 Mixer-settler contact apparatus with a submerged gutter
01/13/1988EP0252394A1 A process for drying of plant or animal substances
01/13/1988EP0252124A1 Brittle grinding and extraction of animal and plant derived materials
01/13/1988CN87102848A Process and device for extraction by ultrasonies of oleaginous products from oilseeds
01/13/1988CN86102892A Percolation filtration type continuous extractor
01/13/1988CN86101520A Extraction method of separating tungsten and molybdenum
01/12/1988US4719000 Desulfurization, supercritical temperature and pressure
01/07/1988EP0252025A2 An improved extractor of oil from oily seed or fruit pastes and the like
01/07/1988EP0251852A1 Process for the separation of amino acids
01/07/1988EP0250953A1 Process for the extraction of oily fruits
01/07/1988EP0250794A1 Process and apparatus for desulfurizing organic polysulfides
01/05/1988US4717480 Method for separation of liquid mixture
01/05/1988CA1231072A1 Solvent extraction
12/1987
12/29/1987US4715932 Two-step solvent extraction
12/29/1987CA1230742A1 Global extraction process of uranium, ittryum, thorium and rare earths from an organic medium
12/22/1987US4714617 Procedure for segregation of mixture of substances containing organic components
12/22/1987US4714591 Apparatus and method involving supercritical fluid extraction
12/22/1987US4714526 Supercritical fluid extraction method for multi-component systems
12/17/1987WO1987007536A1 Process and device for separating extraneous matter bound to bulk material
12/09/1987EP0248429A2 Method of extracting organic compounds from water
12/09/1987CN86207618U Pipe array type pulse sieve-plate column extractor
12/08/1987US4711728 Treating spent filter media
12/01/1987CA1229811A1 Coal liquefaction process using supercritical vapor extraction of liquid fractions to remove particulate solids
11/1987
11/19/1987EP0246065A1 Liquid/liquid extractions with microporous membranes
11/19/1987EP0245575A1 Filter, in particular a filter bag filled with tea or a like substance
11/17/1987US4707274 Multistage arrangement for countercurrent separation and methods of operating same
11/12/1987EP0179863A4 Liquid co2 /cosolvent extraction.
11/10/1987US4705624 Apparatus and process for separating solid particles from a liquid suspension and/or for the purification or leaching of solid particles
11/10/1987US4705600 Method for the treatment of pulp with liquid
11/05/1987WO1987006491A1 Device for dephenolating waste water from coking plants
11/05/1987WO1987006488A1 Solid block dispenser for cleaning systems
11/05/1987WO1987006431A1 Vegetable oil extraction process
11/05/1987DE3615132A1 Verfahren zur entphenolung eines konzentrates einer umkehr-osmose-anlage einer kokerei Method of dephenolising a concentrate of a reverse-osmosis unit of a coking plant
11/04/1987EP0244153A2 Solid block chemical dispenser for cleaning systems
11/04/1987CN87103209A Process for extraction of paraffin from mixtures thereof with alkane-sulphonic acids
10/1987
10/28/1987EP0243220A1 Process and apparatus for the ultrasound extraction of oil products from oleaginous seeds
10/28/1987EP0242384A1 Production of low-ethanol beverages by membrane extraction
10/27/1987US4703105 Carbon dioxide gas extraction in supercritical state of styrene-acrylonitrile copolymer, preventing depolymerization
10/21/1987EP0241636A2 Process for the separation of phenols and bases from coal tar oils by extraction
10/15/1987DE3710385A1 Automatic rapid extraction apparatus with solvent recovery
10/14/1987EP0241149A2 Value recovery from spent alumina-base catalysts
10/08/1987WO1987005822A2 Process and device for cleaning and economizing heating oil
10/07/1987CN86106992A Process of filling and emptying a constantly pressurized container
10/06/1987US4698159 Separating process
10/06/1987US4698153 Supercritical carbon dioxide to remove projections from resin surface
10/01/1987DE3610199A1 Process for cleaning soils contaminated with pollutants
10/01/1987DE3610113A1 Apparatus for carrying out a counter-current extraction
09/1987
09/30/1987EP0239177A1 Process for the extraction of paraffins from mixtures thereof with alkane-sulphonic acids
09/30/1987EP0238527A1 Method and device for extracting constituents by means of a supercritical fluid or a pressure liquid.
09/29/1987US4696801 Process for the extraction of metal values with bisimidazole metal extractants
09/29/1987CA1227339A1 Process for metal recovery by solvent extraction from caso.sub.4 containing sulfate solutions
09/23/1987EP0238402A1 Process for separating rare earths
09/23/1987EP0238136A1 Extraction process
09/17/1987DE3634511A1 Process for purifying oil and equipment for carrying out the process
09/16/1987CN86101730A Separating method of liquid film of static electricity and its device
09/15/1987US4693905 Orange flavor and aroma compositions made by dense gas extraction of organic organce flavor and aroma compounds
09/15/1987US4693822 Fluidic contactors
09/15/1987CA1226819A1 Process and apparatus for obtaining raw materials from autumn foliage
09/15/1987CA1226720A1 Liquid-liquid extraction apparatus through mixing and settling
09/09/1987EP0235857A2 Process for separating solid particles and/or liquid from a suspension, and wash column
09/09/1987EP0235462A1 Continuous process for mercaptan extraction from a highly olefinic feed stream
09/08/1987CA1226581A1 Process for the selective extraction of copper using 4-acyl(3h)-pyrazol-3-ones
09/08/1987CA1226419A1 Liquid-liquid extractor
09/02/1987EP0235117A1 Process for the separation of oxygen containing organic compounds from aqueous media
09/02/1987EP0234932A2 Extraction process using supercritical fluid
09/02/1987CN87100341A Method and apparatus for removing water from ethanol
09/01/1987CA1226236A1 Hydroconversion process for hydrocarbon liquids using supercritical vapor extraction of liquid fractions
08/1987
08/26/1987CN86100720A Extraction of iron from aluminum sulfate solution with tertiary amine
08/19/1987EP0233121A1 Process for removing lead from rare earths
08/19/1987EP0232759A1 Pipe socket distributor for a disperse phase in a liquid-liquid extraction column, in a bubble column and a reaction column
08/19/1987EP0232481A1 Process for fractionating coal tar and use of the obtained fractions
08/19/1987CN86108658A Continous process for mercaptan extraction from highly definic feed stream
08/18/1987US4687547 Process for the separation of materials obtained by means of high pressure extraction
08/13/1987DE3604112A1 Mesembryanthemum plant extracts and crop protection agents and medicaments containing them
08/12/1987EP0231615A1 High capacity reciprocating plate liquid-liquid extractor
08/11/1987US4686089 Sieve-plate column for counterflow extraction
08/05/1987EP0231072A1 Method and apparatus for removing water from ethanol
07/1987
07/28/1987US4683100 Copolymerizable ethylenically unsaturated surfactants for latex preparation
07/28/1987US4683063 Soybean oils, not enhanced oil recovery
07/28/1987US4683029 Circular solvent extractor
07/22/1987EP0229356A2 Multi-stage counter-current washing arrangement, its application and ancillary operating procedures
07/15/1987EP0228957A1 Process for extraction of organic compounds from their solutions or from aqueous suspensions
07/15/1987EP0228572A1 Process for preparing low-alcohol or alcohol-free beverages obtained by natural fermentation
07/15/1987CN86106981A Process and apparatus for extracting valuable substances from granular feedstock
07/14/1987US4680320 Method for preparation of droplets
07/14/1987US4680168 Extraction of Group 8 metals from organic solutions
07/14/1987US4680112 Separation, purification
07/07/1987US4678583 Purification of solute by hydration of added material, solvent extraction or adsorption