Production of epoxides such as propylene oxide using packed cata

Details Production of epoxides such as propylene oxide using packed cata Production of epoxides such as propylene oxide using packed cata

1981-01-22

1982-09-07

Shapiro, Lionel M.

Chemistry: molecular biology and microbiology

Micro-organism, tissue cell culture or enzyme using process...

Preparing heterocyclic carbon compound having only o, n, s,...

435148, 435287, 435288, 435313, C12P 1702

Patent

active

043484760

ABSTRACT:
Process and equipment for advancing the oxidation state of a gaseous oxidizable organic substrate through contact with oxygen and a solid state biocatalyst. The process comprises passing through a stationary catalytic bed comprising moist, resting cells exhibiting oxygenase activity, a gaseous, oxidizable organic substrate and a gaseous source of oxygen, until the oxidative state of at least a portion of said substrate is increased, while maintaining the relative humidity in said bed at such a level that said cells remain moist and viable, and while maintaining the temperature in the vapor state. The process uses an oxygenase enzyme as a catalyst, for the incorporation of molecular oxygen directly into a specific organic molecule. The invention is of particular interest for the conversion of propylene to propylene oxide, and similar reactions that are catalyzed by mono-oxygenase enzymes.

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Higgins et al., Nature, vol. 286, pp. 561-564 (Aug. 7, 1980).

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