Sodium tetrachloroaluminate catalyzed process for the molecular

Details Sodium tetrachloroaluminate catalyzed process for the molecular Sodium tetrachloroaluminate catalyzed process for the molecular

1984-12-04

1986-11-18

Hearn, Brian E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208117, 208214, 208230, 208235, 208254H, 208263, C10G 1108, C10G 1967, C10G 2912, C10G 4708

Patent

active

046234454

ABSTRACT:
A process for reducing the molecular weight of hydrocarbons using NaAlCl.sub.4 is provided wherein the hydrogen to carbon ratio of the liquid product slate is approximately the same as the feed material. The process comprises contacting the feed material with a molten salt of NaAlCl.sub.4 having substantially no excess aluminum chloride or sodium chloride, preferably at a temperature of at least 660.degree. F., and at a pressure above atmospheric, preferably from about 50 psia to about 2000 psia, depending upon the product slate desired. According to the present invention, heavy hydrocarbons are converted to a liquid product slate wherein the product slate has an average molecular weight substantially lower than the average molecular weight of the hydrocarbon feedstock.

REFERENCES:
patent: 4504378 (1985-03-01), Plummer
patent: 4505810 (1985-03-01), Plummer
patent: 4555327 (1985-11-01), Plummer
patent: 4557803 (1985-12-01), Plummer

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