Process for the hydrotreating of heavy hydrocarbon streams

Details Process for the hydrotreating of heavy hydrocarbon streams Process for the hydrotreating of heavy hydrocarbon streams

1978-12-07

1980-01-01

Crasanakis, George

Mineral oils: processes and products

Refining

Sulfur removal

208251H, 208254H, 252465, C10G 2302

Patent

active

041816021

ABSTRACT:
The process comprises contacting a heavy hydrocarbon stream under suitable conditions and in the presence of hydrogen with a catalyst comprising a hydrogenating component selected from the group consisting of (1) molybdenum, chromium, and a small amount of cobalt, (2) their oxides, (3) their sulfides, and (4) mixtures thereof deposed on a large-pore, catalytically active alumina. The molybdenum is present in an amount within the range of about 5 wt.% to about 15 wt.%, calculated as MoO.sub.3 and based upon total catalyst weight, the chromium is present in an amount within the range of about 5 wt.% to about 20 wt.%, calculated as Cr.sub.2 O.sub.3 and based upon the total catalyst weight, and the cobalt is present in an amount within the range of about 0.1 wt.% to about 5 wt.%, calculated as CoO and based upon the total catalyst weight. The catalyst possesses a pore volume within the range of about 0.4 cc/gm to about 0.8 cc/gm, a surface area within the range of about 150 m.sup.2 /gm to about 300 m.sup.2 /gm, and an average pore diameter within the range of about 100 A to about 200 A.

REFERENCES:
patent: 2577823 (1951-12-01), Stine
patent: 3114701 (1963-12-01), Jacobson et al.
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patent: 3265615 (1966-08-01), Buss et al.
patent: 3340180 (1967-09-01), Beuther et al.
patent: 3956105 (1976-05-01), Conway
patent: 3977961 (1976-08-01), Hamner
patent: 4008149 (1977-02-01), Itoh et al.
patent: 4066574 (1978-01-01), Tamm

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