extraction and filtration system
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United States of America Patent
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Oct 9, 2018
Grant Date -
Jan 19, 2017
app pub date -
Jul 18, 2016
filing date -
Jul 16, 2015
priority date (Note) -
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Abstract
Provided is an extraction system which can be used to recover light oils and other organic materials during a supercritical or subcritical fluid extraction. The extraction system may include a dual purpose pressure vessel which can be used as an independent, full spectrum extractor by adding organic material within a compartment within the vessel and passing liquefied, compressed gases onto and through organic material as well as a separator to separate the extracting fluid from the extracted material. Filter membranes having different size pore openings designed to capture and retain various compounds based on their molecular size may be used in conjunction with the pressure vessel. The filter membranes are part of a filtration system which may be incorporated as an internal component of the pressure vessel or may be utilized at different locations within the extraction system.
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