Patents
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
12/1996
12/19/1996WO1996040604A1 Hydrocarbon gas processing
12/19/1996WO1996040428A1 Annular member for sealing the edge of a material exchange column filled with ordered packing
12/18/1996EP0748786A1 A process for the continuous preparation of aqueous formaldehyde solutions
12/18/1996EP0748309A1 Process for the production of cyclohexyladipates and adipic acid
12/18/1996CN1138314A Method and apparatus for preparing high purity hydrogen bromide
12/17/1996US5586051 Chemical reactor feed control
12/17/1996US5585046 Column for performing thermal separations and/or chemical reactions
12/17/1996CA2022232C Mobile self-contained system for on-site recovery of solvents
12/12/1996WO1996039555A1 Filter regeneration and dry cleaning system
12/12/1996WO1996039358A1 Point-of-use ammonia purification for electronic component manufacture
12/12/1996WO1996039266A1 On-site generation of ultra-high-purity buffered-hf for semiconductor processing
12/12/1996WO1996039265A1 On-site ammonia purification for semiconductor manufacture
12/12/1996WO1996039263A1 On-site manufacture of ultra-high-purity nitric acid for semiconductor processing
12/12/1996DE19520802A1 Verfahren zum Einführen einer Schicht einer geordneten Packung und ringförmiges Mittel zur Randabdichtung einer mit einer geordneten Packung gefüllten Stoffaustauschkolonne A method for introducing a layer of a structured packing and annular means for edge seal of a filled with a structured packing material exchange column
12/12/1996CA2223325A1 Filter regeneration and dry cleaning system
12/11/1996EP0747102A1 Improved oil re-refining method and apparatus
12/11/1996EP0746425A1 General parts washer
12/11/1996CN1137516A Improved reactor for synthesis of urea
12/11/1996CN1033492C Process for substance exchange between liquid and gaseous media
12/10/1996US5582694 Hydrodistillation process for essential mint oils
12/10/1996US5582692 Method for the purification of vitamin E
12/10/1996US5582691 Ocean thermal energy conversion (OTEC) system
12/10/1996US5582630 Ultra high purity magnesium vacuum distillation purification method
12/05/1996WO1996038213A1 Horizontal tray and column for contacting gas and liquid
12/04/1996CN1137244A Non-welded support plate member
12/04/1996CN1033423C Downcomer-tray assembly
12/03/1996US5580426 Water and organic constituent separator and stripper system and method
12/03/1996US5580425 Column for overheated liquids
11/1996
11/28/1996WO1996037741A1 Falling film evaporator with vapor-liquid separator
11/28/1996WO1996037740A1 Falling film evaporator with refrigerant distribution system
11/27/1996CN1136812A Process for production of trioxane from formaldehyde
11/27/1996CN1136465A Cone screen plate
11/27/1996CN1136464A Cone screen plate gas-liquid distributor
11/27/1996CN1136463A Vacuum-pumping system for pressure reduced distilling tower
11/21/1996WO1996036432A1 Post-treatment process and product
11/21/1996WO1996036412A1 Dehydration and purification of isopropyl alcohol
11/21/1996DE19518540A1 Device to vaporise solid or liq. materials in container
11/20/1996EP0743322A2 Process for the recovery of an organic acid from the manufacture of a cellulose ester
11/20/1996CN1135934A 化学反应器进料控制 Chemical reactor feed control
11/20/1996CN1135933A Apparatus for increasing effective active area
11/19/1996US5575894 Water and organic constituent separator and stripper system and method
11/17/1996CA2174922A1 Process for the recovery of an organic acid from the manufacture of a cellulose ester
11/13/1996EP0741669A1 Process and device for thermally separating components of a liquid
11/13/1996CN1135723A Evaporation means and method
11/12/1996US5573714 Splice support construction of multiple downcomer fractionation tray
11/12/1996US5573645 Recovering xylene, distillation
11/06/1996EP0642487B1 Acetophenone removed from phenol purification residues
11/05/1996US5571387 Continuous single vessel distillation and adsorption process
10/1996
10/30/1996EP0739228A1 Recycling of wafer cleaning substances
10/30/1996EP0696268A4 Ethylene glycol recovery process
10/30/1996CN1134748A Cryogenic separation
10/30/1996CN1134411A Process for continuous preparation of aqueous formaldehyde solutions
10/30/1996CN1134310A Fluid distributor for heat and material ehchange column
10/29/1996US5569357 Vortex evaporator
10/24/1996WO1996033011A1 Method of conditioning hydrocarbon liquids and an apparatus for carrying out the method
10/24/1996DE19620214A1 Simple solar powered desalination process operates at low temperature
10/24/1996DE19511428C1 Explosion protection device for whiskey distilleries
10/23/1996EP0705126A4 Heat transfer apparatus with positive drive orbital whip rod
10/23/1996CN1134187A Improved thermodynamic separation
10/23/1996CN1133877A Distillating process and apparatus for quick separation of bay oil
10/22/1996US5567396 Fluids mixing and distributing apparatus
10/17/1996WO1996032176A1 Process for desalinating water while producing power
10/16/1996EP0737498A1 Gas-liquid contacting tray with side discharging triangular downcomers
10/16/1996EP0577607B1 An active liquid distributor containing packed column
10/16/1996CN1133447A Material feeding control for chemical reactor
10/16/1996CN1133431A Liquid inlet/outlet cavity and relative fluid circulation device
10/16/1996CN1133429A 流体循环装置 Fluid circulation means
10/16/1996CN1133278A Method for preparation of butylaldehyde group
10/15/1996US5565309 Oxygen barrier coated photographic agent milled dispersion particles for enhanced dye-stability
10/15/1996US5565070 Solvent vapor sucking method and solvent recovering apparatus
10/15/1996US5565068 Energy conservation during plural stage distillation
10/15/1996US5565066 Single vessel distillation and adsorption apparatus
10/10/1996WO1996031750A1 Heat pipe with improved energy transfer
10/10/1996WO1996031495A1 Methods of recovering and dehydrating ethylene sulfide
10/09/1996EP0736314A1 Distributor for fluids
10/09/1996EP0735911A1 Method of working up a reaction mixture by means of a column placed on the reaction vessel
10/09/1996CN2236884Y Vacuum stirring distilling still
10/09/1996CN1133017A Method of and apparatus for distillation under reduced pressure
10/08/1996US5562834 Steam stripping waste water containing hydrocarbons, treating with nickel, platinum group catalyst and chromate molybdate, tungstate, barium compounds
10/08/1996US5562808 Inclined conduit
10/08/1996US5561987 Falling film evaporator with vapor-liquid separator
10/05/1996CA2173280A1 Fluid distributor for a heat and material exchange column
10/03/1996WO1992010596A3 Flash drying treatment of solvent from workpieces
10/02/1996EP0734748A2 Structure for increasing the effective active area of a trag assembly
10/02/1996EP0734747A2 Multi-downcomer high performance tray assembly
10/02/1996DE19529052C1 Inhibiting deposits in evaporative concn. of sulphite process black liquor
10/01/1996US5560899 Process for separating HF from its mixtures with hydrochlorofluorocarbons 123 and/or 124
10/01/1996CA2173082A1 Multi-downcomer high performance tray assembly
10/01/1996CA2173081A1 Apparatus for increasing effective active area
09/1996
09/25/1996EP0733389A1 Device for separating fluid mixtures
09/25/1996EP0733050A1 Process for the production of trioxane from formaldehyde
09/25/1996EP0715662A4 Ironing aid composition
09/25/1996EP0673274A4 Method for removing organics from aqueous medium.
09/24/1996US5558747 Process for azeotropic distillation of aqueous chloral mixtures
09/24/1996US5558746 Apparatus for quenching a gas stream in the production of vinyl chloride monomer
09/24/1996US5558687 Vertical, packed-bed, film evaporator for halide-free, silicon-containing compounds
09/19/1996WO1996028232A1 Device and method for distributing liquid
09/18/1996EP0731728A1 Structure element of a device for the treatment of corrosive materials in heat and stress conditions
09/18/1996CN2235310Y Molecular flash distillation instrument
09/18/1996CN1131156A Process for removal of fatty alcohols from alklpolyglycoside solutions by distillation