Removal of sulfur from process streams

Details Removal of sulfur from process streams Removal of sulfur from process streams

1980-01-02

1981-04-21

Spitzer, Robert H.

Gas separation

Means within gas stream for conducting concentrate to collector

55 73, 55 74, B01D 5304

Patent

active

042630207

ABSTRACT:
A process wherein a particulate mass of a metal alumina spinel, MAl.sub.2 O.sub.4 wherein M is chromium, iron, cobalt, nickel, copper, cadmium or mercury, particularly zinc alumina spinel (ZnAl.sub.2 O.sub.4), is contacted with a process stream which contains sulfur, sulfur compounds, and other contaminants, these being adsorbed onto said particulate mass of metal alumina spinel, and the process stream thereby denuded of said sulfur, sulfur compounds, and other contaminants. Thereafter, the sulfur, sulfur compounds, and other contaminants, are readily desorbed, or removed from said particulate mass of metal alumina spinel by contacting, and purging same with a relatively clean gas stream, suitably hydrogen, hydrogen-containing gas, or an inert gas, at elevated temperature.

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