| Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025) |
|---|
| 01/07/1998 | EP0816312A1 Process for the preparation and separation of a mixture of dimethyl ether and chloromethan using water as the extractant |
| 01/07/1998 | CN1169415A Process for preparation and fractionation of mixture of dimethyl ether and chloromethane with methanol as extractant |
| 01/07/1998 | CN1169414A Process for preparation and fractionation of mixture of dimethyl ether and chloromethane with water as extractant |
| 01/07/1998 | CN1169330A Multiparameter on-line optimization control method for gas dephlegmation tower |
| 01/07/1998 | CN1036917C Recovery of unsaturated carboxylate ester reaction products |
| 01/06/1998 | US5705711 Etherification of tert-butyl alcohol with methanol and distillation |
| 01/06/1998 | US5705673 Reaction of phenol and dimethyl carbonate in the presence of ester exchange catalysts |
| 01/06/1998 | US5705039 Continuous distillation in oxidation resistant environment |
| 01/06/1998 | US5705036 Water distilling apparatus |
| 12/31/1997 | WO1997049485A1 Methods and devices for oxidizing a hydrocarbon to form an acid |
| 12/31/1997 | WO1997049473A1 Water treatment device and method |
| 12/31/1997 | CA2261194A1 Water treatment device and method |
| 12/31/1997 | CA2258015A1 Methods and devices for oxidizing a hydrocarbon to form an acid |
| 12/30/1997 | US5702647 Multiple downcomer high performance tray assembly |
| 12/30/1997 | US5702535 Dry cleaning and degreasing system |
| 12/29/1997 | EP0813517A1 Hydrogenation of unsaturated cyclic compounds |
| 12/29/1997 | EP0717654A4 Method of recycling cleaning solvent |
| 12/24/1997 | WO1997048466A1 Catalytic distillation process |
| 12/24/1997 | CN1036766C Extra gravity field device of cross current rotary bed |
| 12/23/1997 | US5700403 Distillation column employing structured packing which reduces wall flow |
| 12/18/1997 | WO1997047935A1 Heat exchanger |
| 12/18/1997 | WO1997047573A1 Two-step process for alkylation of benzene to form linear alkylbenzenes |
| 12/18/1997 | DE19624130A1 Verfahren zur katalytischen Destillation A process for catalytic distillation |
| 12/18/1997 | CA2257207A1 Heat exchanger |
| 12/17/1997 | EP0812607A2 Process for after-treatment of crude distillate |
| 12/17/1997 | EP0812345A1 Method for selective hydrogenation of a distillation cut of hydrocarbons |
| 12/17/1997 | EP0812233A1 Process and device for regenerating a contaminated solvent |
| 12/17/1997 | EP0812232A1 Distributor trough junctions |
| 12/17/1997 | CN2270547Y Combined square float valve distillation column |
| 12/16/1997 | US5698158 Vacuum distillation apparatus for producing ultra high purity material |
| 12/11/1997 | WO1997046303A1 Reactor distribution apparatus and quench zone mixing apparatus |
| 12/11/1997 | WO1997046298A1 Process and equipment for implementation of rectification |
| 12/11/1997 | DE19622955A1 Mass transfer plate with long, slot-shaped vapour risers and bubble caps |
| 12/10/1997 | EP0811815A2 Method and apparatus for purifying a substance |
| 12/10/1997 | EP0811649A2 Method for distilling hexamethylcyclotrisiloxane |
| 12/10/1997 | EP0811617A1 Extractive distillation of propylene oxide using propanol |
| 12/10/1997 | EP0811594A1 Distillation column type production method |
| 12/10/1997 | EP0810898A1 Vaporizer and liquid delivery system using same |
| 12/10/1997 | CN1167245A Distillator |
| 12/09/1997 | US5695615 Distillation from a hydrophilic solvent; dehydration |
| 12/09/1997 | US5695614 Water pollution control; spraying, evaporation, heat exchanging |
| 12/09/1997 | US5695548 Method and apparatus for producing co-current fluid contact |
| 12/09/1997 | CA2013526C Extractive distillation of hydrocarbons employing solvent mixture |
| 12/04/1997 | WO1997045184A1 Column and process for deodorising dispersions |
| 12/03/1997 | CN1166372A Edible alcohol rectifying process |
| 12/03/1997 | CA2190710A1 Extractive distillation of propylene oxide using propanol |
| 12/02/1997 | US5693190 Recovery of glycols from used antifreeze compositions by distillation |
| 12/02/1997 | US5692395 Separation of fluid mixtures in multiple distillation columns |
| 12/01/1997 | CA2177740A1 Combined multi stage flash-multi effect distillation system with brine reheat |
| 11/27/1997 | WO1997044335A1 Purification of glycidyl esters by thin film evaporation |
| 11/27/1997 | WO1997044298A1 Recovery of styrene from pyrolysis gasoline by extractive distillation |
| 11/27/1997 | WO1997044108A1 Reaction distillation apparatus and reaction distillation method |
| 11/27/1997 | DE19631332A1 Process for removing high boiling point components from solvents used for e.g. gas scrubbing, liquid/liquid extraction |
| 11/27/1997 | DE19621042A1 Sea- or lake water desalinator constructed as floating unit, e.g. as a boat |
| 11/27/1997 | DE19621027A1 Continuous removal of monomer from aqueous suspension or dispersion |
| 11/26/1997 | EP0715662B1 Ironing aid composition |
| 11/26/1997 | CN1165808A Preparation of acrylic acid and esters |
| 11/26/1997 | CN1165805A Process of extracting phenols from phenol-containing waste water by means of solvent mixture |
| 11/25/1997 | US5690793 Distillation using a hydrophilic solvent |
| 11/25/1997 | US5690708 Column for contacting gas and liquid |
| 11/20/1997 | WO1997043355A1 Method and equipment for fractioning crude oil |
| 11/20/1997 | WO1997043022A1 Separating device for currents of liquid, in particular, for distillation columns |
| 11/20/1997 | WO1997043021A1 Method for recovering a volatile organic component of solvent-in-water emulsions |
| 11/20/1997 | CA2255039A1 Method for recovering a volatile organic component of solvent-in-water emulsions |
| 11/19/1997 | CN1165286A Heat exchanger |
| 11/19/1997 | CN1165285A 热交换器 Heat exchanger |
| 11/18/1997 | US5689013 Process for preparing tertiary alkyl ethers from an olefinic hydrocarbon feedstock |
| 11/12/1997 | CN2267083Y Heat recovering equipment with adjustable jet vacuum flash condenser |
| 11/11/1997 | US5685169 Rectification |
| 11/05/1997 | EP0805324A2 Distillation apparatus |
| 11/05/1997 | EP0804951A2 Rectification column for the continuous distillative separation of a multi-substance mixture |
| 11/05/1997 | EP0804385A1 Apparatus for the purification of water contaminated with oil |
| 11/04/1997 | US5684213 Dehydration of alkyl alcohols by distillation in the presence of zeolite catalyst |
| 11/04/1997 | US5684125 Evaporation, gas flow |
| 11/04/1997 | US5683629 Horizontal tray and column for contacting gas and liquid |
| 11/04/1997 | US5683553 Purification from mixture with 4,5-dichlorophthalic anhydride |
| 11/04/1997 | US5683493 Packing for separation columns and process of use |
| 10/30/1997 | WO1997039813A1 Device for distributing liquid in substance exchange columns |
| 10/29/1997 | EP0803494A1 Process for destillation of crude ester in the DMT/PTA process |
| 10/28/1997 | US5681432 For alcohol distillation stream; using high molecular weightanionic polymers |
| 10/23/1997 | WO1997038770A1 Removal of dinitrotoluene from process water |
| 10/23/1997 | DE19615645A1 Vorrichtung zum Verteilen von Flüssigkeit in Stoffaustauschkolonnen An apparatus for distributing liquid in material exchange columns |
| 10/22/1997 | EP0749567B1 Tissue processing |
| 10/21/1997 | US5679312 Simultaneously performing chemical reactions and separating reaction product from reactants by stripping with inert gaseous stream in reactor column having plurality of vapor-liquid contact trays connected by downcomers |
| 10/21/1997 | US5679274 Circuit and method for controlling electrical heater in a distiller |
| 10/21/1997 | US5679223 Method for separating and purifying catechol mixtures |
| 10/21/1997 | US5678426 Separation of fluid mixtures in multiple distillation columns |
| 10/16/1997 | WO1997037741A1 High capacity vapor-liquid contact tray |
| 10/16/1997 | DE19614704A1 Sieve base for the dispersal of gases or liquids |
| 10/16/1997 | CA2250059A1 High capacity vapor-liquid contact tray |
| 10/15/1997 | EP0800489A1 Vertical, packed-bed, film evaporator for halide-free, silicon-containing compounds |
| 10/15/1997 | CN1161875A High-performance disk assembly with multiple lower ducts |
| 10/14/1997 | US5676802 Apparatus for treating waste water |
| 10/14/1997 | CA2140561C Atmospheric gas separation method |
| 10/09/1997 | WO1997036940A1 Method of recovering low-boiling substances from a polymer latex |
| 10/08/1997 | EP0799881A2 Process for obtaining cyclopentane and/or cyclopentene from partially hydrogenated pyrolysis gasoline |
| 10/08/1997 | EP0799813A2 Distillation process for the recovery of pure products from crude anthracene |
| 10/08/1997 | CN1161658A Liquid distrubutor for columns |
| 10/08/1997 | CN1161246A Multiple overflow compound inclined holes tower for distillation |
| 10/07/1997 | US5675054 Low cost thermal coupling in ethylene recovery |