Process and equipment for separating 1,2,4 trimethylbenzene (pseudocumene) from a mixture containing aromatic hydrocarbons
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United States of America Patent
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Jan 24, 2017
Grant Date -
Oct 10, 2013
app pub date -
Oct 11, 2011
filing date -
Oct 11, 2010
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Abstract
A method and an apparatus (7′) for separating 1,2,4-Trimethylbenzene by fractional distillation of a mixture (31) that contains C9 or C9+ aromatic hydrocarbons, and possibly hydrocarbons with less nine nine carbon atoms. In an aspect of the invention, a first distillation step and a second distillation step are carried out in respective distillation chambers (75, 75′) defined by a cylindrical vertical container 501 and by an inner partition wall (85) of the container.
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