Patents
Patents for B01D 5 - Condensation of vapours; Recovering volatile solvents by condensation (6,514)
01/1991
01/08/1991US4982512 Solvent
01/02/1991EP0405303A1 Mist recovery apparatus with twisted strip inserted pipes
12/1990
12/20/1990DE3919296A1 Sepg. column for vapours - produced by waste heat around evaporator tubes in permeable plastic sleeves
12/15/1990WO1990015652A1 Multistage evaporating system
12/11/1990US4976824 Water distillation and aeration apparatus
12/10/1990WO1990014872A1 Method and apparatus for clarifying liquids
12/10/1990CA2034006A1 Method and apparatus for clarifying liquids
12/05/1990EP0400873A1 Method and apparatus for cleaning object
12/04/1990US4975154 Water purification method and apparatus with conductivity sensing controls
12/01/1990WO1990014873A1 Two-stage condenser
12/01/1990CA2055610A1 Two-stage condenser
11/1990
11/29/1990DE3916892A1 Recovering pure gas by freezing out solvent vapour - by heat exchange with cryogenic fluid in surrounding jacket
11/27/1990US4973387 Volatile solvent conservation modular unit
11/15/1990DE3915400A1 Removal of chloro:fluoro:carbon gas from insulation foam - a pulveriser and compressor in separate airtight chambers extract gas which is removed, collected and condensed to form pure liquid CFC
11/13/1990CA1276059C Method and apparatus for deactivating spent liquors
11/07/1990EP0396395A2 Method and apparatus for simultaneous heat and mass transfer utilizing a plurality of gas streams
11/01/1990WO1990012631A1 A process and device for vapour condensation and heat conversion
10/1990
10/31/1990EP0298976B1 Apparatus for recovering heat from flue gases and for cleaning the same
10/30/1990US4966665 Method for photochemical decomposition of volatile organic chlorine compound in vent gas
10/30/1990US4966655 Plastic covered solar still
10/30/1990US4966654 Soil and groundwater remediation system
10/25/1990DE3913135A1 Cooling of hot vapour charged with harmful materials - on walls of plate heat exchanger with internally flowing coolant
10/24/1990EP0394129A1 Installation and process to regenerate cold traps, saturated in liquid metal hydrides and oxides
10/23/1990US4964885 Reducing dew point; washing, condensating exhaust gases; continuous cycles
10/23/1990US4964278 Method of separating condensible vapors from particles in highly compressed gases
10/18/1990WO1990011808A1 Solvent recovery apparatus and method
10/03/1990EP0389698A1 Method and apparatus for the production and liquefaction of gases
10/03/1990CN2063041U Gesoline separator
09/1990
09/25/1990US4959127 System for desalinization of saltwater
09/25/1990US4959122 Evaporation, precipitation, thermal decomposition
09/19/1990EP0388252A2 Method of separating condensible vapors from particles in highly compressed gases
09/18/1990US4957616 Compression bolt; elastomer cylinder; stress distribution washer
09/18/1990US4957200 Water distillation apparatus
09/13/1990DE3903141A1 Process and apparatus for expelling blowing agent gases from plastic foams
09/12/1990EP0386385A1 Installation for obtaining spirits and liquors
09/12/1990EP0386248A1 Condenser/evaporator
09/06/1990CA2011474A1 Method of separating condensible vapors from particles in highly compressed gases
09/04/1990US4953694 Distilling apparatus
09/04/1990US4953607 Multistage evaporating system
08/1990
08/23/1990WO1990009248A1 Process for expelling gas from waste materials
08/23/1990WO1990009225A2 Apparatus and process for the elimination of atmospheric pollution
08/23/1990WO1990009220A1 Falling film condenser
08/22/1990EP0383229A1 Preparation of iron-containing sludge for further processing
08/22/1990EP0383228A1 Method of degassing wastes
08/22/1990EP0383227A1 Process for binding particulate waste such as dusts, metal waste, fibres, paper waste or the like
08/16/1990EP0382314A2 Vacuum distillation process
08/14/1990WO1990009424A1 Process for binding particulate waste, such as dust, metal scrap, fibres, paper waste or the like, to solids
08/14/1990CA2045407A1 Process for binding particulate waste, such as dust, metal scrap, fibres, paper waste or the like, to solids
08/07/1990US4946558 Water distilling apparatus
08/07/1990US4946479 Apparatus for solvent recovery
07/1990
07/25/1990EP0378946A1 Process for cooling and drying warm humid air and installation for carrying out this process
07/10/1990US4940134 Treating used photographic solutions, evaporation, condensation
07/03/1990US4938868 Vaporization, spiral condenser
06/1990
06/26/1990US4936953 Cold trap vapor control device
06/14/1990WO1990006175A1 Packing in or for a vessel
06/14/1990WO1990006163A1 Method and apparatus for separating non-condensable gases from vapor
06/12/1990US4933046 Water purifying system
06/12/1990US4932984 Contacting vent stream with liquid spray of chlorinated solvent to condense stream
05/1990
05/29/1990US4929312 Vacuum, evaporation, condensation
05/29/1990US4928497 Sodium purification from its hydride and oxide
05/29/1990CA2004032A1 Method and apparatus for separating non-condensable gases from vapor
05/29/1990CA1269503A1 Method of recovering alkali chemicals from flue gases containing alkaline metal vapor
05/28/1990CA2004008A1 Packing in or for a vessel
05/23/1990EP0368861A1 Method and apparatus for treating process gases.
05/09/1990EP0366724A1 Barometric direct-contact condenser.
05/02/1990CN1007804B Method of and apparatus for reducing evaporating losses of volatile material in oil cooling tank
04/1990
04/26/1990DE3838932C1 Process and plant for the physical refining of edible oils, fats and esters
04/19/1990DE3933731A1 Condensing solvent vapours from waste air - by cold washing on progressively reducing scale at reducing temps.
04/18/1990EP0363838A2 Method and apparatus for obtaining pure water and products dissolved in water
04/18/1990EP0363371A1 Liquid evaporating apparatus.
04/17/1990US4917770 Distillation apparatus
04/10/1990US4915793 Water treatment apparatus
04/10/1990US4915792 Distillation, heat exchange, efficiency
04/10/1990US4915784 Process and apparatus for removing contaminants from pulp digester vent gas
04/08/1990CA2000230A1 Process and apparatus for purifying water and recovering substances dissolved in water
04/04/1990EP0361068A2 Apparatus for separating vaporous compounds from a gas stream
04/04/1990EP0360890A1 Distillation system and process
03/1990
03/29/1990DE3931746A1 Pre-discharge monitoring of neutralised combustion fume condensate - with unsatisfactory sensor results automatically stopping combustion
03/28/1990EP0261116B1 Method of recovering alkaline chemicals from flue gases containing alkaline metal vapor
03/27/1990US4911845 Process and apparatus for separation of volatile components
03/27/1990US4911792 Process for the separation of HF via phase separation and distillation
03/27/1990US4911233 Interface fluid heat transfer system
03/22/1990DE3830647A1 Water recovery from natural air humidity for cultivating plants, breeding animals and for human needs
03/20/1990US4909318 Method and apparatus for recovering heat from flue gases and for cleaning the same
03/20/1990US4909317 Condenser, hermetic sealing, high and low temperature resistant
03/14/1990EP0358006A1 Method and apparatus for purifying waste gases from dryers
03/07/1990EP0356698A2 Method and apparatus for cleaning atmosphere gas used in making high-purity fine particles of reactive metals
03/06/1990US4906338 Method and apparatus for removing volatile organic constituents of gasoline from gasoline-water mixture, and from contaminated water at underground sites
02/1990
02/28/1990EP0355317A2 Process and device for purifying waste air from a dryer
02/22/1990DE3827813A1 Process and apparatus for purifying an exhaust gas laden with vapours of a foreign substance with recovery of the foreign substance
02/20/1990US4901540 Retifier colums for vapour generators
02/14/1990EP0354866A1 Method and apparatus for the recovery of organic vapours from gases
02/13/1990US4900402 Pervaporation process of separating a liquid mixture
02/13/1990US4899798 Method of and apparatus for recovering and reusing organic pickling vapors
02/08/1990DE3824046A1 Continuous process for the purification of solvent-containing exhaust air with recovery of the solvent
02/07/1990EP0353970A1 Process for the separation of HF via phase separation and distillation
02/01/1990DE3822184C1 Condenser for vapour (steam)-containing fluid flows
01/1990
01/31/1990EP0353215A2 Purification of alkyl glyoxylate
01/25/1990DE3824400A1 Process and device for treating a hydrocarbon/air mixture
01/24/1990CN2051525U Freezing and recovering column for solvent tail gas
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