C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
202/98, 260/649.
C07C 407/00 (2006.01) B01D 3/34 (2006.01) C07C 409/04 (2006.01) C07D 301/19 (2006.01) C07D 303/04 (2006.01)
Patent
CA 2024257
REMOVAL OF ACIDIC CONTAMINANTS FROM TERTIARY BUTYL HYDROPEROXIDE (Docket No. 80,817-F) ABSTRACT OF THE DISCLOSURE The distillation product fraction obtained from an isobutane oxidation reaction product after the removal of unreacted isobutane will contain tertiary butyl hydroperox- ide, tertiary butyl alcohol and carboxylic acid contaminants such as formic acid, acetic acid and isobutyric acid. It has been discovered that when the distillation product frac- tion is treated with about 1/2 to 1 equivalents of calcium oxide and/or calcium hydroxide based on the carboxylic acid content of the distillate product fraction, a portion of the carboxylic acid contaminants will precipitate thus partially purifying the distillation product fraction so that, there- after, molybdenum precipitation will be substantially inhibited when the thus-treated distillation product frac- tion is used as a feedstock for an epoxidation reaction wherein tertiary butyl hydroperoxide is reacted with an olefin in the presence of a soluble molybdenum catalyst to provide an olefin epoxide and additional tertiary butyl hydroperoxide.
Marquis Edward Thomas
Meyer Robert Allen
Sanderson John Ronald
Huntsman Specialty Chemicals Corporation
Smart & Biggar
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