Patents
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
06/1978
06/27/1978CA1033537A1 Separation process of zirconium and hafnium tetrachlorides and their mixtures
06/20/1978US4096574 Fractionation control
06/20/1978US4096039 Condition sensing control system for desalinator automation
06/13/1978US4094901 Oxidation of acetaldehyde, manganese acetate catalyst, purification
06/13/1978US4094790 Distributor collector assembly
06/13/1978US4094748 Method of and device for distilling off secondary substances from oily liquids
06/06/1978US4093433 Wet scrubbing
05/1978
05/23/1978US4090922 Carrier-vapor distillation
05/16/1978US4089752 Distillation column reactor and process
05/16/1978US4089750 Water distiller with cone shaped condenser
05/16/1978US4089749 Apparatus for producing high-purity water
05/16/1978US4089662 Oil treatment system
05/09/1978US4088676 Process for the preparation of organic solutions of percarboxylic acids
05/09/1978US4088542 Superheated steam
05/09/1978CA1030731A1 Waterproof mounting device for screen support plate of a fluidisation reactor
04/1978
04/25/1978US4086267 Cobalt-catalyzed oxidation of C3 to C7 saturated aliphatic hydrocarbons to oxygenated products including acetic acid
04/18/1978US4085255 Water separation cell for removing the reaction water from the electrolyte of fuel cells and fuel cell batteries
04/11/1978US4083707 Flow stabilizer for tube and shell vaporizer
04/04/1978US4082654 Fractionation to remove a high-boiling material and a dissolved substance
04/04/1978US4082617 Distillation of alcohol from solution containing high-boiling complex of dialkylacylamide and nitric acid
04/04/1978US4082140 Heat exchange method
03/1978
03/28/1978US4081333 Of phosphorus from phosphorus mud
03/28/1978US4081332 Extractive distillation of C5 hydrocarbons using acetonitrile and additives
03/28/1978US4081331 Portable water distillation apparatus
03/14/1978US4078974 Vapor generating and recovering apparatus including vapor condenser control means
03/14/1978US4078907 Separation and purification of xenon
03/07/1978US4077135 Removal of residual monomer
02/1978
02/28/1978CA1027063A1 Separation process of cetazines of raw synthesis mixes
02/21/1978US4075298 Contact towers with leak-proof support of improved plate subassembly
02/07/1978US4072713 Method for separating tetraalkylammonium salts
02/07/1978US4072580 Organo-polysiloxane resins
02/07/1978US4072579 Power generation and potable water recovery from salinous water
01/1978
01/24/1978US4070231 Wet glycol stripped with fuel gas
01/24/1978US4070172 Pressure responsive fractionation control
01/10/1978US4067707 Spray type wet scrubber
01/03/1978US4066722 Apparatus for sparging gas into liquid
01/03/1978US4066159 Method and apparatus for the control of pitch still operation
12/1977
12/27/1977US4065528 Column apparatus for gas-liquid heat and mass exchange processes
12/27/1977US4065362 Purification of organic isocyanates
12/27/1977US4065267 Manufacture of alkylated urea or melamine formaldehyde with in-process alcohol recovery
12/20/1977US4064111 Polymerizations
12/13/1977US4062734 Apparatus for desalinating sea water
12/13/1977US4062662 Degassing column
12/06/1977US4061546 Purification of acetic acid
11/1977
11/29/1977US4059877 Methods for forming bubble cap assemblies for a gas and liquid contact apparatus
11/22/1977US4059421 Cross-flow type stripping-absorption apparatus
11/01/1977US4056444 Vacuum separation of mixtures with similar boiling points
10/1977
10/25/1977US4055610 Preventing wall leakage in contact towers
10/25/1977US4055473 Process and apparatus for solar distillation
10/25/1977US4055196 Immersion type metal degreaser with compression-expansion system for heating and cooling of liquid solvent and solvent vapors
10/18/1977US4054493 Method and apparatus for converting saline water to fresh water
10/18/1977US4054485 Thin film apparatus
10/18/1977US4054431 Method and device for regenerating an impure effluent fluid and product obtained thereby
10/11/1977US4053392 Fractionation process
10/11/1977US4053369 Extractive distillation
10/11/1977US4053367 Temperature control of integrated fractionation and claytreating of hydrocarbons
10/11/1977US4053006 Arrangement for multistage vacuum molecular distilling
09/1977
09/27/1977US4051206 Sieve-type fractionation trays
09/27/1977US4050994 Recovery of 2-pyrrolidone from dilute alkaline solutions
09/27/1977US4050993 Distillation of readily polymerizable ethylenically unsaturated compounds
09/20/1977US4049502 Method of and apparatus for distilling of liquids
09/13/1977US4048056 Method for the control of pitch operation
09/13/1977US4048020 Method and apparatus for the control of pitch operation
09/13/1977US4047894 Removing carbon dioxide from the air
09/06/1977US4046641 Process and apparatus for the separation of crude benzol and naphthalene from washing oil
09/06/1977US4046640 Power generation and potable water recovery from salinous water
09/06/1977US4046639 Power generation and potable water recovery from salinous water
09/06/1977US4046638 Method for controlling heat input to the reboiler section of a distillation column
09/06/1977US4046637 Distillatory apparatus
08/1977
08/30/1977US4045542 Production of chlorine dioxide
08/30/1977US4045506 Separation of hydrocarbon mixtures by catalytic dealkylation
08/30/1977US4045293 Water purification apparatus and method
08/30/1977US4045190 Method for regulating the flow of liquid through mass transfer columns
08/23/1977US4043875 Two-step flash technique for vaporizing radioactive liquids
08/23/1977US4043874 Process for separating and recovering the constituents of an exhausted solvent mixture used for cleansing reactors for the polymerization of vinyl chloride
08/23/1977US4043771 Method of and apparatus for the dissolution of gases in liquids
08/09/1977US4040913 Recovery of methacrylic acid from the effluent obtained from the condensation of formaldehyde and propionic acid
08/09/1977US4040912 Polymerization inhibitor for vinyl aromatic compounds
08/09/1977US4040911 Process for inhibiting the polymerization of styrene
08/02/1977US4039455 Retaining device for an apparatus having flat semi-permeable membranes
07/1977
07/26/1977US4038353 Rotor film column for making contact between gas and liquid
07/26/1977US4038334 Fractional distillation pressure control for separation of aromatic alkylation product
07/26/1977US4038129 Method and apparatus for concentrating liquids
07/19/1977US4036918 Fractionation tray with adjustable capacity weir means
07/19/1977US4036917 Contact plate for columns for carrying out mass transfer processes between gas and liquid
07/19/1977US4036701 Steam distillation apparatus convertible to two separate modes of operation
07/12/1977US4035243 Method and apparatus for high volume distillation of liquids
07/12/1977US4035241 Method and apparatus for purifying a liquid by pressure distillation
07/12/1977US4035240 Water purification system
07/05/1977US4033861 Reduced nitrogen content of hydrocarbon fraction by catalytic polymerization
06/1977
06/28/1977US4032412 Process for optimal pressure control in a multi-stage evaporation unit
06/28/1977US4032411 Process for the preparation of ethylene diamine having low water content
06/28/1977US4032410 Distilling column
06/28/1977US4032391 Low energy recovery compounding and fabricating systems for plastic materials
06/21/1977US4030986 Control for maximizing capacity and optimizing product cost of distillation column
06/14/1977US4029744 Process for removing the salt of a weak acid and a weak base from solution
06/07/1977US4028443 Distillation apparatus
06/07/1977US4028442 Tower support plate
06/07/1977US4028194 Systematized method and control of fractionation heat balance
06/07/1977US4028191 Fractionation column with vapor channeling baffles