Single unit RCC

Details Single unit RCC Single unit RCC

1981-05-13

1983-05-24

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208 79, 208 89, 208113, 208120, 208121, 208159, 208160, C10G 1118, C10G 6100

Patent

active

043849482

ABSTRACT:
A process for cracking a carbo-metallic oil feed having an initial boiling point of about 450.degree. F. or below comprising a naturally-occurring crude or a portion of such crude, including a portion boiling above 1000.degree. F. The 650.degree. F. portion is characterized by a carbon residue on pyrolysis of at least about 1 and containing at least about 4 ppm of Nickel Equivalents. The process comprises bringing the feed under cracking conditions in a progressive flow-type reactor into contact with a cracking catalyst bearing more than about 1500 parts per million of Nickel Equivalents of heavy metal(s). At least about 70% by weight of catalyst is abruptly separated from at least about 80% of the cracked products at the end of the reactor chamber.

REFERENCES:
patent: 2688401 (1954-09-01), Schmitkons et al.
patent: 4162213 (1979-07-01), Zrinscak et al.
patent: 4176084 (1979-11-01), Luckenbach
patent: 4280898 (1981-07-01), Tatterson et al.
patent: 4299687 (1981-11-01), Myers et al.
Shankland & Schmitkons "Determination of Activity & Selectivity of Cracking Catalyst" Proc. API 27(III), 1947, pp. 57-77.
Gary and Handwerk, Petroleum Refining Technology and Economics, 1975, pp. 40, 72, 81-85, 114-120.
Hemler, Strother, McKay and Myers "Catalytic Conversion of Residual Stocks", 1979, pp. 1-14 AM-79-37.

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