High capacity regenerable sorbent for removing arsenic and...

Catalyst – solid sorbent – or support therefor: product or process – Solid sorbent – Silicon containing

Reexamination Certificate

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C502S084000, C502S080000

Reexamination Certificate

active

10600117

ABSTRACT:
The present invention is directed to a sorbent comprising a disordered polyvalent metal oxide on the surface of an inert substrate. The substrate can be a layered silicate, such as vermiculite, an aluminosilicate such as montmorillonite, or a nonlayered silicate such as a zeolite. The sorbent removes ionic contaminants, such as arsenic, from process streams.

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