Reactivation of hydrofinishing catalyst for color removal activi

Details Reactivation of hydrofinishing catalyst for color removal activi Reactivation of hydrofinishing catalyst for color removal activi

1976-08-26

1977-12-13

Levine, Herbert

Mineral oils: processes and products

Refining

With hydrogen

252414, C10G 2302

Patent

active

040627632

ABSTRACT:
A method is provided for reactivation of color removal activity of hydrofinishing catalyst which comprises contacting aged hydrofinishing catalyst exhibiting degraded color removal activity with a small amount of added elemental sulfur dissolved in hydrocarbon oil under mild contact conditions for a time sufficient to reactivate the color removal activity of the catalyst.

REFERENCES:
patent: 2790751 (1957-04-01), Gerald
patent: 3870624 (1975-03-01), Tice et al.
patent: 3904511 (1975-09-01), Heiba et al.

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