propane deasphalting
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propane deasphalting
[′prō‚pān dē′as‚fȯld·iŋ] (chemical engineering)
Petroleum-refinery solvent process using propane to remove and precipitate asphalt from petroleum stocks, such as for lubricating oils.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.