Production of diesel fuel by hydrogenation of a diesel feed
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United States of America Patent
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Feb 2, 1993
Grant Date -
N/A
app pub date -
Mar 13, 1991
filing date -
Mar 13, 1991
priority date (Note) -
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Abstract
A process for producing diesel fuel from a diesel hydrocarbon feed. Hydrogen is fed cocurrently with the feed to a first hydrogenation zone in the presence of a hydrogenation catalyst. Liquid effluent from the first hydrogenation zone is then passed to a second hydrogenation zone, wherein the liquid effluent is contacted countercurrently with hydrogen in the presence of a hydrogenation catalyst. Preferred hydrogenation catalysts are those comprising non-noble metals in the first hydrogenation zone, and may comprise noble or non-noble metals in the second hydrogenation zone.
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