ADVANCED CONTROLS IMPROVE PERFORMANCE OF TWO-SHELL, DUAL-PRESSURE COLUMN

Timothy A. Morrison Setpoint Inc. Houston Diane Laflamme Petromont Ltd. Varennes, Quebec Petromont Ltd. implemented advanced controls on a two-shell depropanizer, with the shells operating at significantly different pressures. The depropanizer project was part of a larger computer control project for its Olefins II ethylene plant in Varennes, Quebec.

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