Divided wall distillation column for producing high purity normal butanol, and normal butanol distillation method
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United States of America Patent
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Jan 9, 2018
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app pub date -
Aug 26, 2014
filing date -
Jan 20, 2009
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Abstract
The present invention relates to a dividing wall distillation column for producing high-purity n-butanol, and a method for the production of high-purity n-butanol by fractional distillation. More particularly, the present invention relates to a method which provides a dividing wall distillation column with crude n-butanol as a feed to perform a fractional distillation of n-butanol, and an apparatus thereof. The dividing wall distillation column of the present invention exhibits the effects of a two distillation column from only one distillation column, thereby reducing energy and the costs of installing the apparatus as compared to conventional distillation systems.
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