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