Process to produce synthetic fuels and lubricants
a technology of synthetic fuels and lubricants, applied in the direction of hydrocarbon oil cracking process, hydrocarbon oil treatment products, effluent separation, etc., can solve the problems of increasing the overall capital efficiency of the facility, reducing the yield of high-value liquid products, and overall lower capital investment. , to achieve the effect of maximizing the yield of high-quality lubricant base oil, minimizing equipment costs, and reducing capital investmen
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[0017] The process of the invention utilizes a low severity hydrocracker to initially process waxy feeds heavier than distillate fuels into distillate fuels of lower cloud and / or freeze point as well as a heavy isoparaffinic stream which is suitable for dewaxing, either catalytically or by solvent extraction, to low pour point isoparaffinic base oils of exceptionally high viscosity index and low volatility.
[0018] The feedstocks which can be employed in the process of the invention may be generally characterized as broad boiling range feeds of petroleum origin, including for example, heavy gas oil having about 50 wt % components with a boiling point above 700° F. or a vacuum gas oil having a boiling point range from between about 600° F. and about 1050° F. Alternatively, the feedstock may be of synthetic origin, such as all or part of the product of a Fischer-Tropsch synthesis.
[0019] In one embodiment of the invention, the process for upgrading the feedstock is integrated with a Fi...
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