Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › B01D 11 - Solvent extraction
Patents for B01D 11 - Solvent extraction (12,717)
12/1998
12/01/1998US5843311 Accelerated solvent extraction method
11/1998
11/25/1998CN1200051A Multiple phase extractor
11/25/1998CN1200050A Multistage three-phase extractor
11/25/1998CN1200049A Multistage extraction process
11/11/1998EP0876184A1 Method and apparatus for mixing/separating two non-miscible liquids
11/11/1998CN1040663C Recovery of palladium catalyst
11/10/1998US5834316 Solvent extraction
11/10/1998US5833756 Process and plant for decontaminating solid materials contaminated with organic pollutants
10/1998
10/28/1998EP0873507A1 Analytical apparatus
10/28/1998EP0873167A1 Multiphase extractor
10/22/1998WO1998046991A1 Solid-liquid countercurrent extraction continuously separating apparatus
10/21/1998EP0871526A1 High pressure and temperature solvent extraction cell
10/21/1998EP0871525A1 Liquid medium extraction purification method
10/20/1998US5826161 Process for the selective separation of actinides (III) and lanthanides (III)
10/15/1998WO1998045015A1 Process and apparatus for a mixture resolution
10/15/1998WO1998045014A1 Multiphase extractor with a wash chamber
10/15/1998WO1998045013A1 Solvent extraction
10/15/1998DE19714579A1 Mehrphasen-Extraktor mit Waschkammer Multi-phase extractor with wash chamber
10/15/1998CA2286176A1 Multiphase extractor with a wash chamber
10/14/1998CN2294095Y Supercritical fluid extraction reaction equipment
10/13/1998US5820653 Process for making shaped copper articles
10/08/1998WO1998044003A1 Process for extracting sugars from dates, and for making novel food products
10/08/1998WO1998043718A1 Method for exchanging materials between two liquid phases
10/08/1998CA2285361A1 Method for exchanging materials between two liquid phases
10/07/1998EP0868931A1 Device for extracting chemical compounds
10/07/1998CN1194967A Propolis extract with improved water-solubility
10/06/1998US5817359 Methods for dealcoholization employing perstration
09/1998
09/30/1998EP0867187A1 Propolis extract with improved water-solubility
09/30/1998EP0767698B1 Cleaning composition and ph-driven method for wastewater separation using an amphoteric carboxylate and a cationic destabilizer composition
09/29/1998US5814286 Apparatus for separating solvent in a feed of solvent and deasphalted oil
09/23/1998EP0865450A1 Process for the removal of residual solvents and residual monomers from powdered polymerisates
09/15/1998CA2081018C Countercurrent liquid/liquid extraction to fractionate complex mixtures containing medium and long chain fatty acid triglycerides
09/09/1998EP0862487A1 Multistage three-phase extractor
09/09/1998EP0506741B1 Process of reclaiming battery acid from lead acid batteries
09/09/1998CN1192382A Commercial scale supercritical carbon dioxide prepn. chromatography and use thereof
09/03/1998WO1998037941A1 Process for simultaneous extraction of dispersed and dissolved hydrocarbon contaminants from water
09/03/1998WO1998037939A2 Triphase extraction column
09/03/1998CA2281939A1 Triphase extraction column
09/02/1998CN1192165A Process for making shaped copper articles
08/1998
08/27/1998WO1998036839A1 Method and apparatus for extracting plant resins
08/27/1998DE19707200A1 Dreiphasen-Extraktionskolonne Three-phase extraction column
08/26/1998EP0860187A2 Multi-stage solvent extration of metal value
08/26/1998EP0859949A1 Process for extracting compounds from sample matrices
08/26/1998EP0551352B1 Method and apparatus for recovering chemical compounds from the effluent stream of a supercritical fluid extraction
08/26/1998CN1191521A Method of biotreatment for solid materials in nonstirred surface bioreactor
08/26/1998CN1191495A Liquid medium extraction purification method
08/19/1998EP0858363A1 Multi-stage extraction process
08/19/1998EP0858362A1 Multiple phase extractor
08/18/1998US5795557 Hydrolysis of an organosilicon compound
08/12/1998EP0763006B1 Recovery of carboxylic acid from organic solution that contains an amine and an extraction enhancer
08/12/1998EP0705128B1 Solvent extraction
08/12/1998EP0705127B1 Solvent extraction of metal containing species
08/12/1998EP0639099B1 Apparatus and method for supercritical fluid extraction
08/12/1998EP0639098B1 Apparatus for supercritical fluid extraction
08/11/1998US5792357 Method and apparatus for back-extracting metal chelates
08/06/1998WO1998033972A1 Feeding of washing liquid in a pulp washer
08/06/1998CA2276308A1 Feeding of washing liquid in a pulp washer
08/05/1998CN1189389A Multi-stage counterflow leaching process
08/05/1998CN1039390C Multi-tank electrostatic quasi-liquid-film separator
08/04/1998US5789647 Pre-dried raw material; extraction with compressed gas; optional entraining agent; cooling; crystallization
08/04/1998US5788937 Method for the recovery of silver value from aqueous solution
07/1998
07/30/1998WO1998032449A1 Process for extracting natural products by means of supercritical fluids
07/30/1998CA2250051A1 Procedure to extract natural products
07/29/1998EP0785814B1 Liquid high pressure spraying extraction process
07/28/1998US5785856 Automated accelerated solvent extraction apparatus and method
07/14/1998US5780520 Leaching contaminants from post-consumer for reuse in food-contact applications
07/14/1998US5780276 Recovery of carboxylic acid from organic solution that contains an amine and an extraction enhancer
07/14/1998US5779997 Method for preventing the formation of jarosite and ammonium and alkali based double salts in solvent extraction circuits connected to acidic leaching processes
07/09/1998WO1998029404A1 Benzopyran derivative originating in propolis
07/09/1998WO1998018535A3 Method of extracting extractive component from a fluid
07/08/1998EP0656817B1 Process for decontaminating solid materials contaminated with organic pollutants
07/08/1998CN1187223A Method for recovering copper
07/08/1998CN1187220A Chloride assisted hydrometallurgical extraction of metal
07/08/1998CN1187147A Process for removing and recovering ammonia from organic extraction phase in metal liquid-liquid extraction process
07/07/1998US5776319 Continuous linear-torroidal extraction method
07/07/1998US5776317 Extractor for soxhlet solid-liquid extraction
07/02/1998WO1998028303A1 METHOD AND DEVICE FOR PRODUCTION OF LYOPHILIZED HYDROCHLORIDE-1β,10β-EPOXY-13-DIMETHYLAMINO-GUAIA-3(4)-EN-6,12-OLIDE
07/02/1998WO1998028082A1 Flotation separation methods and systems for dewatering suspensions of microalgae and extracting components therefrom
07/01/1998EP0850322A1 Selective separation of dissolved metal species with substituted 1,3,5 triazine extractants
07/01/1998EP0850267A1 Method and apparatus for separating polymer from a plastic, and the resulting separated polymer
07/01/1998CN1186524A Chloride assisted hydrometallurgical extraction of nickel and cobalt from sulfide minerals
07/01/1998CN1186523A Chloride assisted hydrometallurgical extraction of metal
06/1998
06/25/1998WO1998026850A1 Multi-phase extraction apparatus
06/25/1998CA2275327A1 Multi-phase extraction apparatus
06/24/1998CN2284639Y Non-return distributor for extraction of liquid phase material with supercritical and liquid carbon deoxide
06/23/1998US5770085 Extraction of metals and/or metalloids from acidic media using supercritical fluids and salts
06/23/1998US5770082 Self-purging extractor
06/11/1998WO1998025126A1 Method for monitoring the oxidation of organic compounds in an aqueous medium and implementing device
06/11/1998WO1998024518A1 Materials treatment
06/10/1998CN2283510Y Vacuum fluidic compression splitting bulking mixer
06/10/1998CN2283509Y Cylindrical centrifugal extractor
06/09/1998US5763666 Process and apparatus for the purification of commercially available diphenyl-p-phenylenediamine (DPPD)
06/09/1998US5762683 Ferric fluoborate/organic extractant hydrometallurgical process for recovering metals
06/02/1998US5759512 Regeneration of dithiophosphorus acid metal extractants
05/1998
05/28/1998WO1998022395A1 Removal of acidic organic contaminants from refinery waste water
05/27/1998EP0713536B1 A process for recovering metals
05/26/1998US5755980 Process for eliminating adsorbable organic halogen compounds from wastewater
05/26/1998US5755960 Distributor allowing independent injection and/or removal of fluids
05/26/1998US5755559 Apparatus and method for pumping supercritical fluid and measuring flow thereof
05/20/1998EP0745113A4 Removal of contaminants from oil
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