Process for loading platinum into Zeolite-L

Details Process for loading platinum into Zeolite-L Process for loading platinum into Zeolite-L

1984-12-07

1986-02-04

Dees, Carl F.

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

Zeolite or clay, including gallium analogs

And group viii containing

502 66, B01J 2932, B01J 2922, B01J 2912

Patent

active

045686564

ABSTRACT:
A process is provided for loading and uniformly distributing platinum onto a Zeolite-L. The Zeolite-L is contacted with an aqueous solution containing a platinum salt and a non-platinum metal salt, wherein the non-platinum metal salt is present in solution in an amount which is critical to preventing the formation of acid sites as well as avoiding an excess of metal ions in the form of a salt which could block the pores of the Zeolite-L. The Zeolite-L is then aged to allow the platinum to migrate and uniformly distribute throughout the Zeolite.

REFERENCES:
patent: 3226339 (1965-12-01), Frillette et al.
patent: 3775502 (1973-11-01), Oishi
patent: 3832414 (1974-08-01), Oishi
patent: 3925254 (1975-12-01), Oishi
patent: 3953365 (1976-04-01), Oishi
patent: 4104320 (1978-08-01), Bernard et al.
patent: 4416806 (1983-11-01), Bernard et al.
patent: 4458025 (1984-07-01), Lee et al.
Y. W. Chen et al., Effect of Preparation Methods on the Catalytic Properties of Zeolite-Supported Ruthenium in the Fischer-Tropsch Synthesis, Journal of Catalysis, 83, 415-427 (1983).

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