Hydrotreater feed/effluent heat exchange

Details Hydrotreater feed/effluent heat exchange Hydrotreater feed/effluent heat exchange

1990-07-30

1991-08-13

Myers, Helane E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Hydrogenation

208 80, 208 81, 208 82, 208 48Q, 208251H, 208254H, 208264, 208353, 208365, C10G 4500

Patent

active

050393960

ABSTRACT:
A heat integrated hydrotreating process has been invented. The feedstock is a cracked hydrocarbon stock which is mixed with hydrogen to suppress coking before heating in a multiple tube furnace to reactor inlet temperature. A minor portion of the feedstock is mixed with hydrogen and heated to reactor inlet temperature by quenching the hot reactor effluent. The minor portion is fed directly to the hydrogenation reactor, bypassing the furnace. By the process, high level heat is recovered.

REFERENCES:
patent: 2294126 (1942-08-01), Ocon
patent: 3429801 (1969-02-01), Gleim et al.
patent: 3673078 (1972-06-01), Kirk, Jr.
patent: 3804748 (1974-04-01), Nelson et al.
patent: 3919074 (1975-11-01), Gatsis
patent: 4931165 (1990-06-01), Kalnes

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