Synthetic halloysites as hydrocarbon conversion catalysts

Mineral oils: processes and products – Chemical conversion of hydrocarbons – Cracking

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208120, 208138, 208215, 252455R, C10G 1304, B01J 824, C01B 2928

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active

040986764

ABSTRACT:
A synthetic halloysite which is substantially iron-free is obtained by crystallization from a reaction mixture containing hydrous alumina gel and aqueous silica sol. Metal substituted synthetic halloysites can be prepared by coprecipitation of metal hydroxides with the alumina gel. Hydrocarbons are converted over cracking catalysts derived from these halloysites.

REFERENCES:
patent: 2744056 (1956-05-01), Offutt et al.
Ross & Kerr, "Halloysite and Allophane," Prof. Paper, 185-G, 1934, U. S. Dept. of Interior, pp. 134-144.
Carroll & Starkey, "Effect of Sea Water on Clay Minerals," 1960, Proc. of 7th National Conf. on Clays & Clay Minerals, pp, 80, 90-99.
Karsulin & Stubican, Kolloid Z. 124, 169-176, (1951).

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