Process and system for reducing the olefin content of a fischer-tropsch product stream
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United States of America Patent
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Jun 11, 2013
Grant Date -
Dec 15, 2011
app pub date -
Jun 10, 2010
filing date -
Jun 10, 2010
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Abstract
A method is provided for converting synthesis gas to liquid hydrocarbon mixtures useful as distillate fuel and/or lube base oil containing no greater than about 25 wt % olefins and containing no greater than about 5 wt % C21+ normal paraffins. The synthesis gas is contacted with a synthesis gas conversion catalyst comprising a Fischer-Tropsch synthesis component and an acidic component in an upstream catalyst bed thereby producing a wax-free liquid containing a paraffin component and an olefin component. The olefin component is saturated by contacting the liquid with an olefin saturation catalyst in a downstream catalyst bed.
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