"578578200" . "Recorded" . "FLASH DRUM" . "FLASH DRUM" . "RDS5785782" . "A tank or vessel in which a process stream is charged or pumped and where lighter products flash off or vaporize and are drawn off at the top. The remainer heavier fractions are drawn off at the bottom of the vessel." . "u20684" . "1999.02.17" . .