Multi-stage hydrotreating process and apparatus

Details Multi-stage hydrotreating process and apparatus Multi-stage hydrotreating process and apparatus

1991-01-22

1993-01-05

Myers, Helane E.

Mineral oils: processes and products

Refining

Sulfur removal

208210, 208213, 208251H, C10G 4502

Patent

active

051768208

ABSTRACT:
Method and apparatus are provided whereby the heat released from exothermic hydrodemetallization reactions is recovered in order to provide either a lower operating cost of a two-stage hydrotreating process or protection of process equipment against excessive operating temperatures.

REFERENCES:
patent: 3716479 (1973-02-01), Weisz et al.
patent: 3979183 (1976-09-01), Scott
patent: 4102779 (1978-07-01), Hensley, Jr.
patent: 4617110 (1986-10-01), Hinojos et al.
patent: 4657664 (1987-04-01), Evans et al.

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