Process for removing chlorine-containing compounds from hydrocar

Details Process for removing chlorine-containing compounds from hydrocar Process for removing chlorine-containing compounds from hydrocar

1973-01-23

1976-01-27

Vertiz, Oscar R.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Halogenous component

208226, 208262, 423230, C01B 700

Patent

active

039352951

ABSTRACT:
Hydrotreating of normally liquid hydrocarbon feeds has long been practiced to convert organic sulfur compounds to hydrogen sulfide for subsequent removal by adsorption. It has now been found that hydrotreating of said feed stocks over a nickel molybdenum oxide or cobalt molybdenum oxide catalyst also converts trace quantities of organic chloride compound to HCl which not only is a poison for catalysts in subsequent reactions but seriously reduces the sulfur retention capacity of zinc oxide sulfur adsorbents. A solid chloride adsorbent having a chloride retention capacity some twentyfold greater than known adsorbents has been developed for the sequential removal of hydrogen chloride contaminants in trace quantities to a level of less than one part per million in hydrogen treated streams. This adsorbent serves as a guard for catalysts in subsequent catalytic processes as well as a guard for the solid sulfur adsorbent utilized immediately downstream therefrom.

REFERENCES:
patent: 2413871 (1947-01-01), Hepp
patent: 2481300 (1949-09-01), Engel
patent: 2959538 (1960-11-01), Weikart et al.
patent: 3063936 (1962-11-01), Pearce et al.
patent: 3278266 (1966-10-01), Welch et al.
patent: 3305587 (1967-02-01), Sperbert et al.
patent: 3441370 (1969-04-01), Gutmann et al.
Harshaw Catalysts Catalog - 1972 - p. 25.

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