Catalytic dewaxing process
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United States of America Patent
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Apr 17, 1990
Grant Date -
N/A
app pub date -
Feb 3, 1987
filing date -
Feb 3, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process for reducing the pour point of sulfur containing gas oil fractions to produce fractions, including diesel oil of reduced pour point involving sequential hydrotreating and dewaxing of the gas oil feedstock. The hydrotreating step is carried out over a conventional hydrodesulfurization catalyst to remove sulfur. The dewaxing step is carried out over silicalite at mild dewaxing conditions under which the C.sub.3 and lower gas make is no greater than 2 wt. % based upon the gas oil feed.
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