Process for preparing lower alcohols

Details Process for preparing lower alcohols Process for preparing lower alcohols

1981-03-04

1982-09-28

Evans, Joseph E.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

C07C 2904

Patent

active

043519717

ABSTRACT:
Lower alcohols are prepared by hydrating the corresponding olefin in an aqueous solution containing a chromium compound, phosphoric acid and heteropolyacid. Phosphoric acid has a high catalytic activity for the hydration of lower olefins, but causes a remarkable corrosion to an apparatus material under the state of an aqueous solution. The catalytic composition consisting of phosphoric acid and heteropolyacid is improved in activity and stability. Owing to the coexistence of heteropolyacid an acid degree is raised, nevertheless the corrosion of apparatus materials is not increased. As an anti-corrosive a chromium compound is incorporated into the aqueous solution containing the catalytic composition of phosphoric acid and heteropolyacid.

REFERENCES:
patent: 2050445 (1936-08-01), Metzger
patent: 2162913 (1939-06-01), Eversole et al.
patent: 2798097 (1957-07-01), Hettinger et al.
patent: 3996298 (1976-12-01), Izumi et al.
patent: 4060564 (1977-11-01), Kanemaru et al.
patent: 4236034 (1980-11-01), Atsushi et al.

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