Patents
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
09/1988
09/13/1988US4770748 Vacuum distillation system
09/13/1988US4770747 Vapro liquid deentrainment apparatus
09/13/1988US4770746 Spinning band fractionating column
09/13/1988US4770683 Distillation process with high thermo-dynamic efficiencies
09/13/1988US4770197 Apparatus for recovering solvent
09/13/1988US4770005 Plant having a heat accepting and releasing process portion and a heat supply portion including an absorber arrangement
09/08/1988DE3705954A1 Process for purifying fruit brandies and spirits
09/07/1988WO1988006704A1 Cogeneration of electricity and refrigeration by work-expanding pipeline gas
09/07/1988CN87207517U Small-sized distilling separating device
09/06/1988US4769140 Apparatus for the separation of mixtures by means of pervaporation
09/06/1988US4769056 Distillation pressure control
09/06/1988US4769048 Regeneration of a scrubbing agent
08/1988
08/31/1988EP0280676A2 Method for the separation by distillation of mixtures
08/30/1988US4767527 Apparatus for waste water purification
08/30/1988US4767502 Steam generator in a multi-stage distilling apparatus
08/30/1988US4767498 Supersaturating with air, concentrating to a slurry; photographic solutions
08/30/1988CA1241347A1 Purification of ethylene glycol derived from ethylene carbonate
08/25/1988WO1988006063A1 Lifting device for laboratory apparatus with stand profile and base console, and laboratory heating bath, in particular for rotary evaporators
08/25/1988WO1988006054A1 A method of separating a volatile component from a mixture utilizing a carrier gas for vapour transport from an evaporator to a condensor
08/23/1988CA1240825A1 Fluid treating
08/16/1988US4764272 Apparatus for recovery of hydrocarbons from hydrocarbon/water mixtures
08/16/1988US4764254 Falling film liquor heater having a screen to prevent clogging of a liquid distributing tray
08/16/1988US4764250 Vacuum evaporator
08/10/1988EP0277263A1 Process for separating solid particles containing liquids by distillation
08/10/1988EP0277230A1 Continuous hydrogenation of unsaturated oils
08/09/1988US4762651 Vapor/liquid contact device
08/09/1988US4762593 Distilling apparatus
08/09/1988US4762592 Orbital drive evaporator
08/03/1988EP0276542A2 Distillation method and apparatus
08/03/1988CN87205358U Stain-resisting pattern contacting turret board composed with mutiple elements
08/03/1988CN87205357U Combined rectifying tower plate
08/02/1988US4761025 Method and apparatus for distributing the load between sections of a vertical column
07/1988
07/28/1988DE3704407A1 System for removing an alcohol/water mixture from alcohol-containing mash
07/27/1988EP0275770A1 Method and apparatus for distilling liquid heat sensitive products
07/26/1988US4759944 Elimination of chlorohydrins from liquid hydrolyzates
07/26/1988US4759910 Used for ditributing a dispersed phase into continuous phase
07/26/1988US4759884 Apparatus for gas wet treatment
07/26/1988US4759825 Used for evaporation of sample solution
07/20/1988CN87208970U Multistage apparatus for purifying distilled water
07/19/1988US4758650 Process and apparatus for producing high molecular weight polyesters
07/19/1988CA1239340A1 Rotatory evaporator having enhanced heat transfer
07/13/1988EP0274186A2 Bubble cap tray
07/13/1988CN87108388A Process for separation of sulphuric acid from aqueous mixtures thereof with paraffin-sulphonic acids
07/06/1988EP0273523A1 Process for the separation of sulphuric acid from aqueous mixtures thereof with paraffinsulphonic acids
07/06/1988EP0273191A1 Liquid distributor for mass and heat transfer columns
07/06/1988EP0073801B1 Phase-contacting apparatus
07/06/1988CN86103561B Fractioning column with double-valves
07/05/1988US4755261 Heating thermal mass in vaporizing chamber, contacting with liquid to vaporize, surface treating object immersed therein, allowing vaporized liquid to flow into condensing chamber, condensing, returning to vaporizing chamber, repeating
07/05/1988US4755258 Method and apparatus for deactivating spent liquor
06/1988
06/29/1988EP0272883A2 Method of concentrating photographic process waste liquor by evaporation
06/28/1988US4753735 Degreasing metal parts
06/28/1988US4753664 Reboiler system for glycol dehydration having improved thermal efficiency
06/22/1988CN87107241A Structured tower packing
06/21/1988US4752307 Contacting gas and liquid
06/21/1988US4752306 Improved mass transfer
06/16/1988WO1988004193A1 Liquid purification system
06/15/1988EP0270953A1 Preparation of anhydrous alkanesulfonic acid
06/15/1988EP0270656A1 Vapour deposition of monomer fluids.
06/14/1988US4750975 Vapor/liquid contact column structure
06/14/1988CA1237874A1 Staged flow distribution grid assembly and method for ebullated bed reactor
06/09/1988DE3641152A1 Rotary evaporator
06/08/1988EP0270050A2 Structured tower packing
06/07/1988US4749528 With chordal weir or outlet having vapor passages therethrough
06/07/1988US4749448 Reduced solvent viscosity; low temperature stripping, corrosion resistance, minimal carryover
06/01/1988EP0269191A2 Inverted plate condenser
06/01/1988EP0269190A2 Cold trap vapor control device
06/01/1988EP0268583A1 Still and distillation process.
05/1988
05/25/1988EP0267961A1 Mass exchange apparatus
05/25/1988EP0161289B1 Process for the thermal treatment of liquids, respectively mixtures of liquids and solid materials for the concentration of liquid components and plant for implementing such process
05/25/1988CN87215073U Bromine extracting device from glass
05/25/1988CN87204802U High efficient distil furnace for slit scouring
05/24/1988US4746610 From artichoke tubers
05/24/1988US4746407 Catalytically cracked hydrocarbons
05/24/1988US4745690 Method of replenishing and/or preparing treating liquids
05/18/1988EP0267531A2 Evaporation method for highly viscous products
05/18/1988EP0267488A1 Process for the preparation of monomeric alpha-cyanoacrylates
05/18/1988CN87207249U Protector of electric-heating distillator
05/18/1988CN87107805A Process for extraction of organic liquid containing nitrogenous organic base,from aqueous slurry of particles of inorganic material and process for production of alkali metal bicarbonate
05/18/1988CN85107516B Plate evaporator
05/18/1988CN85100551B Method of assembling the column tray with angle bars
05/17/1988US4744957 Decompression vessels
05/17/1988US4744929 Counterflowing gas and liquid
05/17/1988US4744928 Layers of criss-crossed, inclined deflecting elements
05/17/1988US4744869 Rectification, distillation
05/17/1988US4744868 Distillation column and method
05/11/1988EP0267127A1 Process for the preparation of trifluoracetate
05/11/1988EP0266830A1 Process for the extraction of an organic liquid containing an organic nitrogen-containing base from a water suspension of mineral particles, and process for the production of alkali metal bicarbonate
05/11/1988EP0266458A1 Gas liquid contact tray and method of use
05/10/1988US4743343 Method of regenerating alcohol-based antifreezing liquid
04/1988
04/27/1988EP0265300A1 Distillation apparatus for vacuum distillation
04/27/1988EP0264926A2 Process for the preparation and purification of thermally instable compounds
04/27/1988EP0264713A2 Method and plant for obtaining fresh water from saline water
04/26/1988US4740334 Tower packing element with embossed surfaces
04/21/1988WO1988002649A1 Interexchanged cascade ethanol distillation
04/21/1988WO1988002648A1 Orbital drive evaporator
04/21/1988WO1988002647A1 Dispenser-distributor of liquid fluids
04/20/1988EP0264065A1 Process for the preparation of vinyl chloride by thermal dissociation of 1,2-dichloroethane
04/19/1988US4738807 Liquid-vapor contact apparatus
04/19/1988US4738295 With relative elevation of liquid as control
04/19/1988CA1235379A1 Method of recovering oil from mud comprising fine- grained inorganic and/or organic particles, and oil, and water, or other evaporate liquids