Canadian refinery starts up first-of-kind gasoline desulfurization unit

Irving Oil Ltd.'s recent refinery upgrade project in Saint John, NB, commercialized CDTech's CDHydro and CDHDS technologies for selective desulfurization of FCC gasoline.The upgrade project significantly increased the refinery's production of low-sulfur gasoline ahead of scheduled Canadian regulations.It took less than 2 years from technology selection to complete the gasoline desulfurization project. Irving Oil and CDTech accomplished the start-up and acceptance of the new units in less than 1 month.BackgroundIn 1999, Canada approved new regulations to provide cleaner air by placing limitations on the sulfur content of gasoline.Sulfur levels in gasoline average 360 ppm in Can...

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