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