Heavy oil hydrotreating catalyst rejuven
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Marafi, M.; Stanislaus, A.; Absi-Halabi, M.
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Article
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1994
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Elsevier Science
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English
โ 612 KB
Much effort has been devoted m recent years to develop processes for the rejuvenation of metal fouied spent catalysts from residue hydroprocessmg umts In dus paper we report the Influence of addmg femc salts to some organic a&s in selecttve extraction of foulant metals from the spent catalyst pnor t