METHOD TO MITIGATE FOULING OF A VACUUM WASH BED
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United States of America Patent
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Issued Date -
Jun 6, 2019
app pub date -
Feb 4, 2019
filing date -
Nov 5, 2015
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Abstract
Fluid medium such as light cycle oil, water, FCC slurry and decanted oil, improve this method for vacuum distillation of a petroleum product. The method may be used in the petroleum refining industry for fractionating of petroleum base stock in a vacuum column. The fluid medium prevents the formation of thermoset polymers and the resultant fouling of the wash beds in the vacuum column.
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