Pillared clay containing fluorided pillars

Details Pillared clay containing fluorided pillars Pillared clay containing fluorided pillars

1993-10-12

1995-02-14

Dees, Carl F.

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

Zeolite or clay, including gallium analogs

And additional al or si containing component

502 84, B01J 2116, B01J 3700

Patent

active

053895932

ABSTRACT:
Novel pillared clay compositions have been synthesized. The clay contains pillars which are at least partially fluorided. These pillars are metal fluoro hydroxy cations where the metal can be Al, Zr, Si/Al, Ti or Cr. The clays which can be pillared with these pillars are the smectite clays which include hectorite and beidellite along with synthetically prepared smectite clays. These clays are prepared by pillaring the clay, followed by calcination and then treatment with a fluoride salt such as ammonium bifluoride. Finally, these fluorided pillared clays find applications in hydrocarbon conversion processes such as alkylation.

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patent: 5308812 (1994-05-01), Salem et al.
J. M. Adams, Applied Clay Science, 2, pp. 309-342 (1987).
Butruille et al., J. of Catalysis, 139, 664-678 (1993).

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