Removal of acidic impurities in processes for solvent extraction of aromatics from nonaromatics
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United States of America Patent
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Apr 24, 1990
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N/A
app pub date -
Jan 31, 1989
filing date -
Jan 31, 1989
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Expired
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Abstract
Corrosion of process equipment in a system for extraction of aromatic components from nonaromatic components by means of a selective solvent, for example tetraethylene glycol, is reduced by treating with anion exchange resin a stream composed mainly of water which has been used to wash residual solvent from the extracted aromatics.
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