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Guest Column by Mark Hughes | Philadelphia Oil Refinery explosion is a learning moment

(07/21/19 3:58pm)

On the early morning of June 21, the PES refinery and surrounding neighborhoods were rocked by two explosions and resulting fires that appeared to be related to a leak in Unit 433, which is a particular kind of alkylation unit that uses hydrofluoric acid to catalyze part of the process of refining petroleum into gasoline products. Five days later, with the site still being monitored and the incident under multiple investigations, PES announced that the refinery would be shutdown and put up for sale.