Performance- and Risk-Based Approach Toward Combustible Dust Hazard Analysis & Mitigation Design
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 13, 2023 - 5:00pm to 7:00pm
This article provides an insight of how dividing wall column (DWC) technology was implemented in meeting CS2 limit of 2ppm is PCN product at one of the largest refineries in Asia. The DWC was retrofitted in existing depentanizer column. Besides meeting specifications for CS2 removal, the revamped column produced premium gasoline products to boost the revamp profitability.
DWC design required validation of thermodynamic model with plant data and a robust control scheme to maintain high level of product purities.