Separation media for separating water-hydrocarbon emulsions having low interfacial tensions
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United States of America Patent
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Jun 10, 2014
Grant Date -
Oct 18, 2012
app pub date -
Apr 12, 2012
filing date -
Oct 9, 2009
priority date (Note) -
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Abstract
Separation media, separation modules and methods are provided for separating water from a water and hydrocarbon emulsion and include a fibrous nonwoven coalescence layer for receiving the water and hydrocarbon emulsion and coalescing the water present therein as a discontinuous phase to achieve coalesced water droplets having a size of 1 mm or greater, and a fibrous nonwoven drop retention layer downstream of the coalescence layer having a high BET surface area of at least 90 m2/g or greater sufficient to retain the size of the coalesced water droplets to allow separation thereof from the hydrocarbon.
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