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