Patents
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
05/1995
05/16/1995US5416237 Process for the production of acetic acid
05/16/1995US5415764 Vacuum distillation of crude oil
05/16/1995US5415732 Process and apparatus for concentrating high-viscosity foodstuffs
05/16/1995US5415681 Membranes for gas separation and withdrawal
05/13/1995CA2126062A1 Liquid-gas contacting pump drive apparatus
05/11/1995DE4337981A1 Mass transfer tray having a liquid distributor
05/10/1995EP0652194A1 Process for the separation of oxygenated compounds from hydrocarbons, combining a distillation step and a permeation step and its use in etherification
05/10/1995EP0651729A1 A water distillation system
05/09/1995US5413681 Process for the recovery of terephthalic acid and ethylene glycol from poly(ethylene terephthalate)
05/04/1995DE4336986A1 Column having a partition
05/04/1995DE4336985A1 Column for carrying out thermal separations and/or chemical reactions
05/04/1995DE4336984A1 Column for superheated liquids
05/04/1995DE4336983A1 Column having a partition
05/04/1995DE4330570C1 Removal of cpds. contg. ammonia from sewage
05/03/1995EP0650749A2 Separator system
05/03/1995EP0650748A1 Liquid distributor for a heat exchanger and masstransfer, distillation column with such a distributor and use of such a column for the air distillation
05/03/1995EP0623041A4 Evaporative concentration of clay slurries.
05/03/1995CA2116827A1 Apparatus and method for recovery of spent glycol
05/02/1995US5411707 Condensation in columns with valves
05/02/1995US5411356 Self-locking strut nut system
04/1995
04/30/1995CA2134537A1 Liquid distribution device for heat exchangers; distillation column comprising said device; use of said column for air distillation
04/27/1995DE4402499C1 Process and apparatus for distilling a contaminated hydrocarbon solvent liquor
04/27/1995DE4335888A1 Evaporation device for sample extracts in trace analysis by means of DC, GC, HPLC, GC/MS, UV and other methods
04/27/1995DE4335760A1 Apparatus for producing steam for steam distillation
04/27/1995CA2134319A1 Staged purification of contaminated propylene oxide
04/26/1995EP0649844A1 Purification of propylene oxide
04/26/1995EP0649328A1 Process and device for cleaning pcb-contaminated electric appliances
04/26/1995EP0588854B1 Apparatus and method for reclaiming waste oil
04/25/1995US5409674 Plurality of gas-permeable plates connected by overflow lines; central gas-distributing caps
04/25/1995US5409619 Adding aqueous solution of propylene glycol, glycerine, and volatile fragrance to steam chamber; efficiency
04/19/1995EP0648519A2 Evaporator flask for a rotary evaporator
04/19/1995EP0648143A1 Vessel for treating liquids
04/18/1995US5407605 Fractionation tray with side discharging triangular downcomers
04/18/1995US5406881 Apparatus for a dealcoholizing plant
04/13/1995WO1995010011A1 Improved thermodynamic separation
04/13/1995DE4440319A1 Process for improving the efficiency of an evaporation process
04/12/1995EP0647698A1 Process for the recovery of valuable products in the workup of polyvinyl chloride
04/12/1995EP0647208A1 Process and apparatus for the production, particularly domestic production, of beverages
04/12/1995EP0647159A1 Catalytic distillation structure
04/12/1995EP0396650B2 Device for carrying out catalytic reactions
04/11/1995US5405503 Process for desalinating water while producing power
04/04/1995US5403560 Fluids mixing and distributing apparatus
04/02/1995CA2107504A1 Thermodynamic separation
03/1995
03/30/1995WO1995008382A1 Method and apparatus for decontaminating a liquid surfactant of dioxane
03/30/1995WO1995008381A1 Fluid distributor of a membrane distiller and the use of the distiller
03/29/1995EP0645445A1 Process for removal of solvents from detergent pastes
03/29/1995EP0645381A1 Plural stage drying and purification of propylene oxide
03/28/1995US5401476 Fluidized bed with separation by distillation, isomerization and crystallization
03/28/1995US5401365 Predistillation and solvent extraction
03/24/1995CA2129072A1 Plural stage drying and purification of propylene oxide
03/24/1995CA2106358A1 Glycol concentrator
03/22/1995EP0644389A1 Distillation column utilizing structured packing
03/22/1995EP0643680A1 Process for preparing methyl ethers
03/22/1995CN1100409A Process and apparatus for producing terephthalic acid
03/21/1995US5399755 Process and equipment for the hydrolysis of residual urea in the water from synthesis plants
03/21/1995US5399244 Process to recover benzene from mixed hydrocarbons by extractive distillation
03/21/1995US5398806 Apparatus for performing a plurality of distillation and reflux operations simultaneously within a compact space
03/16/1995WO1995007124A1 Water purifier having a demister
03/16/1995WO1995007123A1 Water purifier having a multi-level boiler tray
03/15/1995EP0643033A1 Multi-purpose catalytic distillation column and etherification process using same
03/15/1995EP0642816A1 Distillation apparatus, especially a rotary evaporator
03/15/1995EP0642487A1 Acetophenone removed from phenol purification residues.
03/15/1995EP0642386A1 Stripper-reactor for volatile cobalt recovery
03/15/1995CN2191699Y Double floating ladder-shaped float valve tray
03/15/1995CN1027863C Multistage suspension reaction separator tower
03/14/1995US5396773 Rectification of oxygen and distillation
03/14/1995US5396772 Atmospheric gas separation method
03/10/1995CA2128482A1 Multi-purpose catalytic distillation column and etherification using same
03/09/1995WO1995006505A1 Material cleansing device
03/09/1995WO1995006504A1 Method of and apparatus for distillation under reduced pressure
03/09/1995DE4329595A1 Process and apparatus for recycling wash or treatment liquids
03/08/1995EP0641583A1 Installation for the continuous purification of a solvent
03/08/1995EP0641582A1 Distillation apparatus, especially a rotary evaporator
03/08/1995CN2191025Y Depressed continuous rectifier for reactant HCl
03/07/1995US5395981 Hydrocarbon conversion by catalytic distillation
03/07/1995US5395483 Rotary apparatus for combined multi flashing and boiling liquids
03/02/1995WO1995006154A1 Ironing aid composition
03/02/1995CA2169933A1 Ironing aid composition
03/01/1995EP0640583A2 Process for the preparation of acetic esters from methanol
03/01/1995EP0640385A1 Packing with catalysts or adsorbants
03/01/1995EP0640368A1 Chemical purification for semiconductor processing by partial condensation
03/01/1995EP0640367A1 Distillation column for separating liquid mixtures indivers pure fractions
03/01/1995EP0640064A1 Process and apparatus for preparing tertiary alkyl ethers.
03/01/1995EP0640000A1 Improved fluid distillation apparatus and method
03/01/1995CN1099472A Distillation system with partitioned column
02/1995
02/28/1995US5393498 Condenser cooling and temperature control system
02/23/1995WO1995005228A1 Preparation of high purity elements
02/23/1995WO1995005226A1 Distributor plate and evaporator
02/23/1995CA2168229A1 Preparation of high purity elements
02/21/1995US5391304 Pressurized breaking colloidal dispersion
02/21/1995US5391262 Used to coalesce and drain condensate formed on transparent cover interior; efficiency
02/16/1995WO1995004582A1 Recovery of phenol from low concentrations with sodium sulfate
02/16/1995WO1995004581A1 Method and installation for bringing a gas and a liquid into contact with one another
02/16/1995WO1995004580A1 Method and apparatus for vapor distribution in mass transfer and heat exchange columns
02/16/1995DE4326842A1 Process and apparatus for separating off solvents from fluid mixtures
02/16/1995CA2168569A1 Method and apparatus for vapor distribution in mass transfer and heat exchange columns
02/15/1995EP0638908A2 Method of separating and purifying spent solvent generated in nuclear fuel cycle
02/15/1995EP0638778A1 Distillation system with partitioned column
02/15/1995EP0638633A1 Reclamation of used lubricating oil
02/15/1995EP0638345A2 Process for performing destillative separations in a discontinuous method of operation