Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025) |
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10/02/1997 | WO1997035823A1 Method for the preparation of dialkyl ethers |
10/01/1997 | EP0798528A2 Heat Exchanger |
10/01/1997 | EP0797471A1 A condenser cooling and temperature control system |
09/29/1997 | CA2198323A1 Heat exchanger |
09/25/1997 | WO1997035063A1 Methanol recovery using extractive distillation |
09/25/1997 | WO1997034831A1 Saltwater distillation housing |
09/25/1997 | WO1997034675A1 Small farm ethanol producing distillation system |
09/24/1997 | EP0797065A2 Heat exchanger of falling film type |
09/23/1997 | US5671153 Chemical reactor feed control |
09/23/1997 | US5670703 Process and installation for producing liquid fuels and raw chemicals |
09/23/1997 | US5670028 Process for preparing high purity hydrogen peroxide aqueous solution |
09/23/1997 | US5670026 In-service cleaning of columns |
09/23/1997 | CA2062054C Destruction of polychlorinated biphenyls |
09/17/1997 | EP0794821A1 Process and device for transforming a liquid stream into a gas stream |
09/17/1997 | CN1159767A Desulfurization of incondensible gases from the vacuum distillation of crude oil |
09/17/1997 | CN1159442A Method for preparation aromatic carbonic ether |
09/17/1997 | CN1159361A Improved liquid distributer for padding tower |
09/17/1997 | CN1159358A Liquid redistribution device |
09/16/1997 | US5667643 Heat exchanger and double distillation column |
09/16/1997 | CA2070889C Method and apparatus for removing water from lubricants, coolants and the like |
09/10/1997 | EP0794170A1 Process for removing high boiling compounds in the preparation of diaminotoluene |
09/10/1997 | EP0793997A1 Method and apparatus for separating liquid mixtures |
09/10/1997 | EP0793985A1 Liquid redistribution system |
09/10/1997 | CN1158754A Packing for counter flow high pressure column |
09/09/1997 | US5665266 Chloropentafluoroethane |
09/09/1997 | US5665208 Method and apparatus for the quantitative enrichment of volatile compounds by capillary distillation |
09/09/1997 | US5665144 Method and apparatus utilizing hydrocarbon pollutants from glycol dehydrators |
09/08/1997 | CA2191414A1 Liquid redistribution system |
09/05/1997 | CA2198815A1 Process for the separation of high-boiling materials from the reaction mixture generated during the production of diaminotoluene |
09/04/1997 | DE19706915A1 Separation of liquid mixture into two or more components |
09/04/1997 | DE19619406C1 Liquid separator for distillation columns |
09/04/1997 | DE19608463A1 Removal of phenol(s) from effluent by extraction with solvent mixture |
09/03/1997 | EP0706416B1 Distillative method of recovering glycols from used antifreeze agents |
09/03/1997 | CN1158407A Method and apparatus for producing Co-current fluid contact |
09/03/1997 | CN1158270A Distributor allowing independent injection and/or removal of fluids |
09/02/1997 | US5662838 Liquid vaporizing apparatus |
09/02/1997 | US5662779 Portable water purification apparatus |
08/28/1997 | WO1997030780A1 Method and apparatus to improve vapor distribution |
08/28/1997 | WO1997030769A1 Method and unitary apparatus for producing ethyl alcohol from fermented starters |
08/26/1997 | US5660690 Method for distilling hexamethylcyclotrisiloxane |
08/20/1997 | CN1157581A Method for in-situ modernization of urea synthesis reactor |
08/20/1997 | CN1157577A Process and device for desalinating sea water |
08/19/1997 | US5658437 Column distillation to separate methyl hydroperoxide and cumene hydroperoxide by-products from waste water stream; water pollution control, chemical oxygen demand (cod) |
08/19/1997 | US5658433 System for the purification of vitamin E |
08/14/1997 | WO1997029064A1 Process and system for the alkylation of aromatic compounds |
08/14/1997 | WO1997029063A1 Alkylation of benzene to form linear alkylbenzenes using fluorine-containing mordenite |
08/14/1997 | WO1997028893A1 Vapor distribution method and apparatus |
08/14/1997 | WO1997028874A1 Etherification-hydrogenation process |
08/14/1997 | CA2245581A1 Etherification-hydrogenation process |
08/14/1997 | CA2244834A1 Alkylation of benzene to form linear alkylbenzenes using fluorine-containing mordenite |
08/14/1997 | CA2244794A1 Process and system for the alkylation of aromatic compounds |
08/13/1997 | EP0789017A1 Uretdiondiisocyanates |
08/13/1997 | EP0641237B1 A vapor-liquid distribution method and apparatus |
08/13/1997 | CN1156639A Scraped agitated film gas-liquid mass transfer reactor |
08/12/1997 | US5656157 Separation of components of mixtures |
08/06/1997 | EP0787786A1 Process for the isomerisation of paraffins by reactive distillation |
08/06/1997 | EP0787036A1 Reactor for two-phase reactions, in particular for urea synthesis at high pressure and temperature |
08/06/1997 | EP0772485A4 Desulfurization of incondensible gases from the vacuum distillation of crude oil |
08/05/1997 | US5653873 System for reducing liquid waste generated by dry cleaning |
08/05/1997 | US5653852 Distilling device |
07/31/1997 | WO1997026971A1 Method and apparatus for concurrent reaction with distillation |
07/31/1997 | DE19615886C1 Increasing yield in crude di:methyl terephthalate prodn. |
07/31/1997 | CA2243851A1 Method and apparatus for concurrent reaction with distillation |
07/31/1997 | CA2196027A1 Uretdione diisocyanates and a process for their production |
07/30/1997 | EP0786444A1 Process for producing acetaldehyde dimethylacetal |
07/29/1997 | US5651833 Treatment of waste water, soils, plastics, wood, etc., steam stripping, catalytic decomposition of contaminants |
07/23/1997 | EP0785184A1 Continuous process for the preparation of phenyl methyl carbonate |
07/23/1997 | CN2258088Y Combined guide float valve column plate |
07/17/1997 | WO1997016243A3 Method of chemically reacting substances in a reaction column |
07/16/1997 | EP0784046A1 Process for production of acrylic acid and their esters |
07/16/1997 | EP0783911A2 Liquid distributor for a counter-current column |
07/16/1997 | EP0783910A1 Process for the vacuum distillation of a liquid product, preferably crude petroleum, and a facility for carrying out the process |
07/16/1997 | EP0783909A2 Process and apparatus for continuous concentration of viscous and adhesive liquids and suspensions until dry solids |
07/16/1997 | EP0783359A1 Liquid distributor for an evaporator |
07/16/1997 | EP0667799B1 Method for selective and/or unselective vaporization and/or decomposition of, particularly, hydrocarbon compounds and apparatus for carrying out such a method |
07/16/1997 | CN2257739Y Cooling media reclaiming fractionating and purifying unit |
07/16/1997 | CN1154664A Column for contacting gas and liquid |
07/15/1997 | US5648529 Process for the recovery of an organic acid from the manufacture of a cellulose ester |
07/13/1997 | CA2194900A1 Preparation of acrylic acid and esters |
07/13/1997 | CA2167127A1 Water distillation apparatus |
07/10/1997 | WO1997024413A1 Method for selective hydrogenation of a distillation cut of hydrocarbons |
07/10/1997 | WO1997024174A1 Catalytic distillation structure |
07/10/1997 | WO1997024168A1 Vapor-liquid contact tray and downcomer assembly and method employing same |
07/10/1997 | CA2241536A1 Vapor-liquid contact tray and downcomer assembly and method employing same |
07/10/1997 | CA2194431A1 Process and device for continuous evaporation to dryness of viscous solutions and suspensions with a tendency to stick |
07/09/1997 | EP0782877A1 Improved liquid distributor for packed columns |
07/09/1997 | EP0665860B1 Method and device for purifying liquid polysiloxane material and its use |
07/08/1997 | US5645803 Catalyst means for the catalytic treatment of exhaust gas catalytic converter |
07/08/1997 | US5645770 Liquid collector-distributor device, system and method |
07/08/1997 | US5645692 Process for the stabilization of crude oils at the outlet of the extraction well and device for implementation thereof |
07/08/1997 | US5645124 For use within a heat exchanger |
07/03/1997 | WO1997023438A1 Process for preparing alkyl ethers and mixtures thereof |
07/03/1997 | WO1997023262A1 Facility for distilling a liquid product |
07/03/1997 | CA2241109A1 Process for preparing alkyl ethers and mixtures thereof |
07/02/1997 | EP0781830A1 Process for lowering the content of benzene and of light unsaturated compounds in hydrocarbon fractions |
07/02/1997 | EP0781829A1 Process and apparatus for the selective hydrogenation by catalytic distillation |
07/02/1997 | EP0781164A1 Method for in-situ modernization of a urea synthesis reactor |
07/01/1997 | US5643421 Heat treatment and flashing, vaporization a stripping agent, cooling, condensing and recycling |
07/01/1997 | US5643420 Method for treating process condensate |
07/01/1997 | US5643419 Distillation, refluxing and pressurization |