Liquid-liquid extraction method and apparatus
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United States of America Patent
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Jan 3, 1984
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N/A
app pub date -
Dec 18, 1978
filing date -
Dec 18, 1978
priority date (Note) -
Expired
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Abstract
A liquid-liquid extraction method and apparatus, which method comprises sequentially pulsing the light and heavy phases and controlling the operation of the valves which introduce into and withdraw from the column the liquid phases, based on the percent of phase-volume changes occurring in the liquid-liquid extraction in the column.
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