Process for titanium silicalite-catalyzed epoxidation

Details Process for titanium silicalite-catalyzed epoxidation Process for titanium silicalite-catalyzed epoxidation

1995-02-28

1997-07-08

Ivy, C. Warren

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07C30112

Patent

active

056463146

ABSTRACT:
The selectivity of an olefin epoxidation process catalyzed by titanium silicalite is improved by performing the epoxidation in the presence of minor amounts of nonbasic salts such as lithium chloride, sodium nitrate, potassium sulfate, and ammonium dihydrogen phosphate. For example, when hydrogen peroxide is reacted with propylene to form propylene oxide, non-selective ring-opening reactions of the propylene oxide are suppressed when low concentrations of a nonbasic salt are added to the hydrogen peroxide feed.

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"Epoxidation of Lower Olefins with Hydrogen Peroxide and Titanium Silicalite" Journal of Catalysis, 140, 71-83 (1993), Clerici et al.

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