Li-spinel catalyst for non-oxidative dehydrogenation process

Details Li-spinel catalyst for non-oxidative dehydrogenation process Li-spinel catalyst for non-oxidative dehydrogenation process

1981-12-21

1983-02-08

Shine, W. J.

Compositions

X-ray or neutron shield

252467, 252474, 252476, 585444, 585658, B01J 2304, B01J 2322, B01J 2326, B01J 2378

Patent

active

043728790

ABSTRACT:
The preparation of a compound of formula R.sup.1 --C(R.sup.2).dbd.CH.sub.2 (R.sup.1 and R.sup.2 are a phenyl, alkyl or alkenyl group or a hydrogen atom) by contacting a mixture of steam and a compound of formula R.sup.1 --C(R.sup.2)(H)--CH.sub.3 at elevated temperature under non-oxidative dehydrogenation conditions with a catalyst having a spinel structure allows lower ratios steam to compound of formula R.sup.1 --C(R.sup.2)(H)--CH.sub.3, a higher selectivity to the compound of formula R.sup.1 --C(R.sup.2).dbd.CH.sub.2 and a lower temperature when lithium is present in the spinel structure.

REFERENCES:
patent: 3798178 (1974-03-01), Soderquist et al.
patent: 3998757 (1976-12-01), Foster
patent: 4067922 (1978-01-01), Foster
patent: 4143083 (1979-03-01), Riesser
patent: 4220560 (1980-09-01), Anquetil et al.

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