Aromatics extraction process control
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United States of America Patent
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-
Sep 26, 1989
Grant Date -
N/A
app pub date -
May 9, 1988
filing date -
May 9, 1988
priority date (Note) -
Expired
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Abstract
A process for separation of aromatic and nonaromatic hydrocarbons by solvent extraction is improved by incorporating control methods which optimize utility costs while maintaining desired product purities.
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