Hydroconversion of heavy hydrocarbon oils
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United States of America Patent
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Sep 27, 1983
Grant Date -
N/A
app pub date -
Jun 11, 1982
filing date -
Jun 17, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Heavy hydrocarbon oils such as vacuum residues are converted into light hydrocarbon oils by reaction with hydrogen in the presence of a catalyst. The catalyst is obtained as a by-product in the system and includes a coke produced by the hydrotreatment and metal components, such as vanadium and nickel, derived from the heavy hydrocarbon oils and deposited on the coke during the hydrotreatment. A portion of the reaction residue is subjected to a treatment to recover the metal components, a part of which are used in the catalyst.
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