Method of unloading catalyst
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United States of America Patent
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Mar 27, 1990
Grant Date -
N/A
app pub date -
Oct 28, 1987
filing date -
Jul 10, 1987
priority date (Note) -
Expired
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Abstract
The present invention relates to a method of unloading a catalyst from a reactor wherein the reactor is filled with mixed liquid of condensed ring aromatic hydrocarbon having a required number of ring members, i.e. preferably 2 to 4 ring members, and gas oil, to wet the catalyst so as to form a coating of film on the catalyst before unloading the catalyst from the reactor.
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