Method of treating mother liquor of reaction in terephthalic acid production
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United States of America Patent
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Aug 26, 1980
Grant Date -
N/A
app pub date -
Jun 8, 1979
filing date -
Jun 8, 1979
priority date (Note) -
Expired
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Abstract
Reaction mother liquor of terephthalic acid production is treated to separate volatile component mainly composed of acetic acid and solid components composed of used catalyst or heavy metal salt(s), residual terephthalic acid and reaction by-products by using combination of a tubular type heater having at least one heating tube of a relatively small diameter and a separation chamber in which the heating tube(s) open(s) at one end thereof.
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