Process and installation for the separation of heavy and light compounds by extraction using a supercritical fluid and nanofiltration
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United States of America Patent
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Oct 5, 1999
Grant Date -
N/A
app pub date -
Jun 10, 1997
filing date -
Dec 12, 1994
priority date (Note) -
Expired
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Abstract
A process and installation for the separation of heavy and light compounds is provided. According to the process, a solid or liquid phase containing the compounds to be separated is contacted with a supercritical fluid in an extractor, after which the supercritical fluid containing compounds leaving the extractor undergo nanofiltration for recovering a permeate flow containing the light compounds and a retentate flow containing the heavy compounds. The invention has particular utility for separating fats in food stuffs such as butter or fish oil.
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