Chromium expanded smectite clay

Catalyst – solid sorbent – or support therefor: product or process – Zeolite or clay – including gallium analogs – Clay

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502 85, B01J 2116

Patent

active

044529104

ABSTRACT:
Expanded layer, smectite clay having a regular pore structure suitable for catalytic uses and a process for preparing said expanded clay by treating a suspension of commercial smectite clay with a chromium-oligomer solution and subjecting the treated clay to a stabilization heat treatment in an inert gas atmosphere.

REFERENCES:
patent: 4060480 (1977-11-01), Reed et al.
patent: 4216188 (1980-08-01), Shabria et al.
American Minerologist, vol. 64, pp. 830-835, (1979), by G. W. Brindley et al.

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