METHOD FOR RECOVERY OF ORGANIC ACID FROM DILUTE AQUEOUS SOLUTION
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United States of America Patent
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Issued Date -
Dec 12, 2013
app pub date -
Dec 9, 2011
filing date -
Dec 10, 2010
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a method and an arrangement for recovery of at least one organic acid from a dilute aqueous solution thereof. In this method a complex between said organic acid and an extractant is formed by contacting the solution with a reactive extractant and dissolving the formed complex into said extractant thus forming an extractant phase. The organic acid is removed from the formed complex by esterification using an alcohol.
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