Extending life of demetallization catalyst

Details Extending life of demetallization catalyst Extending life of demetallization catalyst

1977-07-20

1980-08-12

Gantz, Delbert E.

Mineral oils: processes and products

Refining

Metal contaminant removal

C10G 2500

Patent

active

042172063

ABSTRACT:
In the catalytic demetallization of Venezuelan crude oil feedstocks, the rate of catalyst deactivation is reduced by controlling the level of demetallization at start-up. Operating conditions of pressure, temperature and space velocity are controlled to maintain the initial level of demetallization below 75 percent.

REFERENCES:
patent: 3870623 (1975-03-01), Johnson et al.
patent: 3901792 (1975-08-01), Wolk et al.
patent: 3947347 (1976-03-01), Mitchell
patent: 4045331 (1977-08-01), Ward

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