Modified zeolite catalyst composition for alkylating toluene wit

Details Modified zeolite catalyst composition for alkylating toluene wit Modified zeolite catalyst composition for alkylating toluene wit

1983-04-22

1984-11-20

Dees, Carl F.

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

Zeolite or clay, including gallium analogs

And group viii containing

502 79, B01J 2914, B01J 2916

Patent

active

044839367

ABSTRACT:
A modified zeolite catalyst composition and process for using the catalyst composition to alkylate toluene (or derivative thereof) with methanol to form e.g. styrene and ethylbenzene (or derivatives thereof) is disclosed. The catalyst composition is exemplified by a type X- or Y-zeolite modified with (1) at least one alkali metal selected from Cs, K, and Rb; (2) at least one metal selected from Mn, Fe, Cu, and Zn; and (3) boron and/or phosphorus.

REFERENCES:
patent: 3899544 (1975-08-01), Chang et al.
patent: 4115424 (1978-09-01), Unland et al.
Itoh et al. report, "Experimental Evidence for the Role of Acidic Sites in the Side-Chain Alkylation of Alkylbenzenes with Methanol, pp. 170-171 of Journal of Catalysis, vol. 72.
Article "Condensation of Toluene and Methanol on Synthetic Zeolites Exchanged with Alkali Ions," Dokl Akad Nauk SSSR, vol. 173 No. 1:132-34.
Article "Alkylation on Synthetic Zeolites," T. Tashima et al. Journal of Catalysis, vol. 26, 303-312 (1972).

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