Catalyst – solid sorbent – or support therefor: product or process – Zeolite or clay – including gallium analogs – And group iii or rare earth metal or lanthanide containing
Patent
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 iii or rare earth metal or lanthanide containing
502 79, B01J 2908, B01J 2916
Patent
active
044839375
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 Li, Ce, Cr, and Ag; and (3) boron and/or phosphorus.
REFERENCES:
patent: 3251897 (1966-05-01), Wise
patent: 4140726 (1979-02-01), 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: 132-134.
Article "Alkylation on Synthetic Zeolites," T. Yashima et al., Journal of Catalysis, vol. 26, pp. 303-312, (1972).
Dees Carl F.
Exxon Research & Engineering Co.
Maggio Robert A.
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