Method for starting-up a naphtha hydrorefining process

Details Method for starting-up a naphtha hydrorefining process Method for starting-up a naphtha hydrorefining process

1978-06-27

1979-04-17

Crasanakis, George

Mineral oils: processes and products

Refining

Sulfur removal

C10G 2302

Patent

active

041499654

ABSTRACT:
A naphtha hydrorefining process is initiated by contacting an olefinic naphtha feed at hydrorefining conditions including a pressure below about 200 psig, with hydrogen and a catalyst that has been partially deactivated by treating a fresh or a regenerated catalyst with a substantially non-metals containing hydrocarbonaceous oil in the presence of hydrogen under conditions sufficient to decrease the hydrogenation activity of the catalyst.

REFERENCES:
patent: 2953519 (1960-09-01), Bercik et al.
patent: 3109804 (1963-11-01), Martin
patent: 3287258 (1966-11-01), Mason
patent: 3539500 (1970-11-01), Brooks et al.
patent: 3953321 (1976-04-01), Ganster et al.

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