HYDROPROCESSING CATALYSTS AND METHODS FOR MAKING THEREOF
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United States of America Patent
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Issued Date -
Jul 5, 2012
app pub date -
Dec 20, 2011
filing date -
Dec 30, 2010
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Abandoned
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Abstract
An improved process for preparing a slurry catalyst for the upgrade of heavy oil feedstock is provided. The process employs rework material obtained from a process to prepare a hydroprocessing catalyst as part of the metal precursor feed. In one embodiment, the process comprises mixing the rework material with a hydrocarbon diluent to form a slurried metal precursor for subsequent in-situ sulfiding in a heavy oil upgrade process. In another embodiment, the rework is slurried in a hydrocarbon carrier and a sulfiding agent, forming a slurry catalyst. In yet another embodiment, the rework material is mixed directly with a heavy oil feedstock under in-situ sulfiding conditions, forming a slurry catalyst.
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