Method for producing high purity chemicals
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United States of America Patent
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-
Jan 9, 1990
Grant Date -
N/A
app pub date -
Jun 23, 1987
filing date -
Jan 27, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A distillable liquid containing non-volatile impurities is freed of those impurities by boiling the liquid to form vapors of the liquid, passing the vapors through a packed column heated to a temperature such that liquid entrained in the vapors is completely vaporized and the non-volatile impurities remain in the packed column, and condensing the vapors from the column.
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