Pillared and delaminated clays containing iron

Details Pillared and delaminated clays containing iron Pillared and delaminated clays containing iron

1985-04-16

1987-05-12

Dees, Carl F.

Catalyst, solid sorbent, or support therefor: product or process

Zeolite or clay, including gallium analogs

Clay

B01J 2116

Patent

active

046650440

ABSTRACT:
A process for preparing a stable pillared layered lattice clay, comprising the steps of preparing a hydrolyzed solution of ferric ion by reacting a solution of a salt of the said metal with a base at temperatures in the range of 22.degree. to 28.degree. C. and aging the solution within said temperature range to develop the hydrolyzed pillaring agent, contacting an aqueous slurry of a layer lattice clay selected from the group consisting of smectites, vermiculite, and flurohectorite, with said hydrolyzed solution, and recovering the intercalated pillared clay product. The resultant pillared clay product has a unit clay cell containing from 6.1 to 9.8 ferric ions per cell, and has a repeating spacing of from about 22 to 28 Angstroms. The product is particularly useful in catalyzing conversion processes such as the well-known Fischer-Tropsch process.

REFERENCES:
patent: 4497903 (1985-02-01), Kibby et al.
patent: 4510257 (1985-04-01), Lewis et al.
patent: 4515901 (1985-05-01), Elattar
patent: 4546091 (1985-10-01), Sheppard et al.

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