Process and Apparatus to Remove Oxidation Products from Used Oil
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United States of America Patent
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Feb 21, 2013
app pub date -
Aug 15, 2012
filing date -
Aug 15, 2011
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Abstract
An apparatus for removing contaminants from used lubricating or hydraulic oil includes a fluid transfer unit that includes an inlet port and an outlet port. The inlet port can be in fluid communication with a source of the used lubricating or hydraulic oil. The fluid transfer unit can define a fluid path. The apparatus can include a first adsorbent and a second adsorbent in the fluid path. The first adsorbent can include cellulose. The second adsorbent can include silica gel.
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