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Regeneration of spent hydroprocessing catalysts. 1. Effect of the iron(II)/iron(III) redox couple on the selectivity of the removal of metals

โœ Scribed by Reda, Mahmoud R.

Book ID
126938850
Publisher
American Chemical Society
Year
1991
Tongue
English
Weight
549 KB
Volume
30
Category
Article
ISSN
0888-5885

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Studies on the rejuvenation of spent cat
Studies on the rejuvenation of spent catalysts: effectiveness and selectivity in the removal of foulant metals from spent hydroprocessing catalysts in coked and decoked forms
โœ A. Stanislaus; M. Marafi; M. Absi-Halabi ๐Ÿ“‚ Article ๐Ÿ“… 1993 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 548 KB

Two routes were used to rejuvenate spent residue hydroprocessing catalysts by leaching foulant metals. In the first, deoiled spent catalyst containing coke and deposited metals in sulfide form was chemically treated to remove the metal foulanta. In the second, deoiled spent catalyst was decoked by c