PROCESS FOR INCREASING THE YIELD OF LUBRICATING BASE OIL FROM A FISCHER-TROPSCH PLANT
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United States of America Patent
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Aug 12, 2003
Grant Date -
Aug 14, 2003
app pub date -
Feb 8, 2002
filing date -
Feb 8, 2002
priority date (Note) -
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Abstract
A process for increasing the yield of C.sub.10 plus hydrocarbon products from a Fischer-Tropsch plant which comprises the steps of (a) separating a Fischer-Tropsch product into a wax fraction and a condensate fraction; (b) dewaxing the wax fraction to produce a high boiling intermediate; (c) hydrofinishing the high boiling intermediate; (d) dehydrating the alcohols in the condensate fraction to convert them into olefins; (e) oligomerizing the olefins to form higher molecular weight hydrocarbons; (f) hydrofinishing the oligomerization mixture; and (g) and recovering a C.sub.10 plus hydrocarbon product from the hydrofinishing zone.
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