Process for the purification of wastewater from the aldolization reaction
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United States of America Patent
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Mar 19, 2002
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N/A
app pub date -
May 1, 1996
filing date -
Jun 29, 1993
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Abstract
Wastewater from the aldolization reaction is purified by adjusting its pH to 0 to 6, followed by extraction with monohydric alcohols having at least 8 carbon atoms, hydrocarbons having at least 6 carbon atoms, and mixtures thereof. In some cases, adjustment of the pH causes the formation of an organic phase, which is separated from the remaining wastewater before extraction.
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