Process for presulfurizing a hydrogen treatment catalyst
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United States of America Patent
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Jan 12, 1988
Grant Date -
N/A
app pub date -
Oct 30, 1985
filing date -
Oct 30, 1984
priority date (Note) -
Expired
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Abstract
The invention concerns a process for sulfurizing a catalyst, particularly a refining catalyst comprising a carrier and active metal oxides. In a first step, a sulfur compound mainly consisting of organic polysulfide is introduced into the catalyst mass. A second step consists of first sulfurizing, in the absence of hydrogen, the active metal oxides at a temperature lower than 275.degree. C. and then activating the catalyst at a temperature higher than 275.degree. C. The present invention concerns a process for presulfurizing a hydrocarbon treatment catalyst and/or preconditioning a catalyst in view of subsequent presulfurization.
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