Liquid—liquid extraction apparatus and method
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United States of America Patent
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Nov 8, 2005
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app pub date -
Sep 2, 2003
filing date -
Sep 2, 2003
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Abstract
Method and apparatus for contacting two liquid phases for liquid-liquid extraction in a vertical extraction vessel. A relatively heavier liquid phase, descending the extraction vessel at a relatively low volumetric flow rate, is dispersed into a continuous phase comprising a relatively lighter liquid rising through the extraction vessel at a relatively high flow rate. Sieve trays are provided with adjustable active areas and overlapping manways for personnel access.
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