Vanadium passivation in a hydrocarbon catalytic cracking process
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United States of America Patent
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Jun 14, 1988
Issued Date -
N/A
app pub date -
May 19, 1987
filing date -
Sep 28, 1983
priority date (Note) -
Expired
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Abstract
Hydrocarbons containing vanadium are converted to lower boiling fractions employing a zeolitic cracking catalyst containing a significant concentration of a calcium-containing additive as a vanadium passivating agent.
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