Washing of an organic phase comprising caprolactam
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United States of America Patent
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Dec 10, 2013
Grant Date -
Sep 15, 2011
app pub date -
Sep 2, 2009
filing date -
Sep 4, 2008
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Abstract
The invention relates to a process for extracting an impurity from an organic phase comprising caprolactam, comprising extracting the impurity by washing said organic phase as a discontinuous phase with an aqueous phase as a continuous phase, the ratio of the flow of the aqueous phase in m3/hr, to the flow of the organic phase in m3/hr, being 0.05 or less. Further the invention relates to a caprolactam production plant, wherein use can be made of a process of the invention.
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