Superacidic catalysts for low temperature conversion of aqueous

Details Superacidic catalysts for low temperature conversion of aqueous Superacidic catalysts for low temperature conversion of aqueous

1988-04-08

1989-07-11

Dees, Carl F.

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

Zeolite or clay, including gallium analogs

Including organic component

B01J 2906

Patent

active

048472239

ABSTRACT:
There is provided a catalyst comprising from 0.5 to 7% by weight of trifluoromethanesulfonic acid incorporated onto an acid-form pentasil zeolite having a Si/Al atomic ratio ranging from 5 to 50 and a process for producing same. Also within the scope of the present invention is a process for the conversion of dilute aqueous ethanol to ethylene comprising: flowing said ethanol through a catalyst comprising from 0.5 to 7% by weight of trifluoromethanesulfonic acid incorporated onto an acid-form pentasil zeolite having a Si/Al atomic ratio range from 5 to 50 at a temperature ranging from 170.degree. to 225.degree. C. and recovering the desired product.

REFERENCES:
patent: 4330434 (1982-05-01), Hughes
patent: 4423273 (1983-12-01), Hoelderich et al.
patent: 4540841 (1985-09-01), Miale et al.
patent: 4615995 (1986-07-01), Le Van Mao
patent: 4698542 (1987-06-01), Le Van Mao et al.
Applied Catalysis, 34, (1987), 163-179.

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