Patents for C10G 7 - Distillation of hydrocarbon oils (2,681)
03/1982
03/10/1982EP0046876A1 Process for the treatment of the bottom product of extractive-distillation processes for obtaining pure hydrocarbons
12/1981
12/29/1981US4308131 Method of improving thermal efficiency of sidedraw fractionating columns
12/29/1981US4308130 Crude oil distillation
11/1981
11/03/1981US4298363 Fractionator feed tank pressure control
09/1981
09/29/1981US4292140 Process for recovering heat in distillation process
07/1981
07/21/1981US4279738 Method and apparatus for the recovery of refined petroleum products from pipeline mixtures
07/14/1981CA1104967A1 Vacuum pipestill operation
06/1981
06/23/1981US4274944 Crude oil
06/16/1981US4273611 Method for treating a spent emulsion of oil in water used in an industrial process, and the apparatus for carrying out the method
06/16/1981CA1103188A1 Method of dispersing iron sulfide in light hydro- carbon (c.sub.1-c.sub.6) distillation columns
05/1981
05/05/1981US4265736 Recovery of heat in a tray-type tower
05/05/1981US4265731 Separation and processing of crude oil
04/1981
04/28/1981CA1100077A1 Process for hydrogenized reconditioning of crude oil or residues derived therefrom into saturated light hydrocarbons
04/21/1981US4262791 For crude oil distillation unit
04/14/1981US4261814 Vacuum pipestill operation
12/1980
12/23/1980CA1092046A1 Corrosion control method using methoxypropylamine (mopa) in chemical process units
12/16/1980US4239618 Lower heat requirements
11/1980
11/26/1980EP0019400A2 Twin tower distillation of crude oil
11/11/1980CA1089401A1 Reflux return system
10/1980
10/21/1980US4229284 Corrosion control method using methoxypropylamine (mopa) in water-free petroleum and petrochemical process units
10/14/1980US4227972 Process for recovering phosphate ester type hydraulic fluids from industrial waste liquids
09/1980
09/16/1980US4222853 Application of sulfosuccinic ester anti-fouling agents
09/09/1980CA1085336A1 Multistage evaporator apparatus and method of distilling petroleum
09/09/1980CA1085332A1 Fluidized catalytic cracking process with improved cycle gas oil stripping
09/02/1980US4220519 Method of suppressing the rise in surface temperature of heating tubes by ammonia injection
09/02/1980CA1084686A1 Corrosion control method using methoxypropylamine (mopa) in water-free petroleum and petrochemical process units
07/1980
07/08/1980US4211638 Naphtha stripping
05/1980
05/13/1980CA1077427A1 Fractionating process control system
04/1980
04/29/1980US4200518 Polyalkylene-amines, crude oils
04/29/1980CA1076507A1 Rerefining of used motor oils
03/1980
03/04/1980US4191640 Dual pressure fractionation of hydrocarbons
02/1980
02/19/1980US4189351 Oil reclamation device
02/19/1980CA1072035A1 Production of lubricating oils blending stock and selected components for asphalt production
02/05/1980CA1071132A1 Process for the reclamation of waste hydrocarbon oils
12/1979
12/04/1979CA1067439A1 Process and apparatus for re-refining used petroleum products
11/1979
11/20/1979US4175034 Closed-loop vacuum fractionation process
11/13/1979US4174273 Separating exchangers
10/1979
10/09/1979US4170548 Multistage, circulation
09/1979
09/18/1979CA1062644A1 Separation process
09/11/1979US4167475 Fractionation process, control system and apparatus
07/1979
07/03/1979US4159937 Mixed-phase reaction product effluent separation process
07/03/1979US4159936 Process for hydrogenized reconditioning of crude oil or residues derived therefrom into saturated light hydrocarbons
05/1979
05/15/1979CA1054554A1 Fractionation to remove a high-boiling material and a dissolved substance
02/1979
02/20/1979US4140585 Atomizing, heat exchanging, to prevent desublimation
02/20/1979US4140212 Cyclonic distillation tower for waste oil rerefining process
01/1979
01/02/1979US4132604 Atomizing, heat exchanging
12/1978
12/26/1978US4131538 Method of separating a predetermined fraction from petroleum oil using multistage evaporators
11/1978
11/28/1978US4127393 Method and apparatus for vaporizing hydrocarbon based liquids
11/07/1978US4124492 Process for the reclamation of waste hydrocarbon oils
09/1978
09/26/1978US4116821 Method and apparatus for processing a petroleum production stream
08/1978
08/22/1978CA1036967A1 Process for separating hydrocarbon materials
07/1978
07/18/1978US4101414 Rerefining of used motor oils
06/1978
06/27/1978US4097371 Fractionation, extractive distillation
05/1978
05/02/1978US4087354 Fractionation
04/1978
04/04/1978US4082654 Fractionation to remove a high-boiling material and a dissolved substance
04/04/1978US4082653 Crude oil distillation process
01/1978
01/24/1978US4070408 Aromatics extraction and distillation process
12/1977
12/13/1977US4062764 Method for neutralizing acidic components in petroleum refining units using an alkoxyalkylamine
10/1977
10/11/1977US4053392 Fractionation process
10/11/1977US4053369 Extractive distillation
09/1977
09/06/1977US4047004 Simulation of complex sequences of multi-stage separators
08/1977
08/02/1977US4039130 Mobile refinery
07/1977
07/19/1977US4036918 Fractionation tray with adjustable capacity weir means
07/05/1977US4033857 Fluidized catalytic cracking process with improved light cycle gas oil stripping
07/05/1977US4033856 Fluidized catalytic cracking process with improved intermediate cycle gas oil stripping
05/1977
05/17/1977US4024051 Using an antifoulant in a crude oil heating process
05/17/1977US4024050 Phosphorous ester antifoulants in crude oil refining
05/17/1977US4024049 Mono and di organophosphite esters as crude oil antifoulants
04/1977
04/26/1977US4019979 Fractionation of hydrocarbons
02/1977
02/22/1977US4009097 Multistage, hydrocarbons
02/15/1977US4008150 Fractionation to remove a high-boiling material and a dissolved substance
02/15/1977US4008147 Method for treatment of heavy fraction recovered through thermal cracking of high molecular-weight hydrocarbonaceous materials
02/08/1977US4007112 Method of controlling a distillation column for topping crude petroleum
01/1977
01/11/1977US4002554 Purging, nitric oxide, distillation unit
12/1976
12/14/1976US3997432 Continuously adjusting the index of filtrability of a gas oil fraction
11/1976
11/02/1976US3989616 Vacuum distillation, solvent extraction, deasphalting
10/1976
10/12/1976US3985624 Device for continuous sampling, especially in a distillation column for topping crude petroleum
10/12/1976US3985623 Column material balance control responsive to differential pressure over a column withdrawal tray
07/1976
07/06/1976US3968030 Method and an installation for improving the energy balance of installations for processing chemical process streams and especially petroleum refineries
06/1976
06/22/1976US3964975 Means for controlling the temperature of a depropanizer tower
04/1976
04/27/1976US3953298 Portable crude oil distillation unit
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