Hydrodewaxing process
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United States of America Patent
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May 30, 2000
Grant Date -
N/A
app pub date -
Nov 3, 1995
filing date -
Nov 3, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for catalytic hydrodewaxing of a wax-containing feed wherein the feed is subjected to hydrodewaxing conditions in a first reaction zone containing a wax-cracking catalyst, the effluent from the first reaction zone is charged to a second reaction zone containing a hydrotreating catalyst that produces an exothermic reaction and the effluent from the second reaction zone is charged to a third reaction zone containing a wax-cracking catalyst, the exothermic reaction in the second reaction zone effecting heating of the effluent, which is charged to the third reaction zone.
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