Method For Cleaning Fouled Vessels In The Parraffinic Froth Treatment Process
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United States of America Patent
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Issued Date -
Nov 11, 2010
app pub date -
May 29, 2008
filing date -
Jun 26, 2007
priority date (Note) -
Abandoned
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Abstract
A method of cleaning fouled vessels in the paraffinic froth treatment process (PFT). The foulant comprises asphaltenes. Foulant is at least partially removed from a surface of a vessel or conduit used in a PFT process by spraying a liquid against the foulant on the surface to physically remove at least a portion of the foulant from the surface. The liquid may be a PFT-compatible liquid, water, or a combination thereof. The method may be effected in the substantial absence of a foulant-dissolving agent.
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