Process for the purifying distillation of crude sec-butyl alcohol
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United States of America Patent
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Feb 20, 1990
Grant Date -
N/A
app pub date -
Aug 19, 1988
filing date -
Aug 26, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Practically anhydrous crude sec-butyl alcohol produced by catalytic direct hydration of n-butenes is freed by means of water from the azeotropically boiling and low-boiling by-products by continuous azeotropic distillation in a separation column, the prepurified anhydrous sec-butyl alcohol obtained is withdrawn and the high-boiling by-products are subsequently separated in a separate column.
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