Operations adjustments can better catalyst-cooler operations

Louis R. Anderson Stone & Webster Engineering Corp. Houston Hyung Soon Kim, Tae Gyung Park, Hyun Joo Ryu, Suk Jin Jung LG-Caltex Oil Corp. Yosu, South Korea The resid-fluid catalytic-cracking unit at LG-Caltex Oil Corp.'s Yosu, South Korea, refinery was designed by Stone & Webster and began operations in December 1995. In May 1997, LG-Caltex Oil Corp.'s, Yosu, South Korea, refinery solved erosion and leaking problems in its two catalyst coolers by raising the catalyst level to completely submerge the exchanger tubes in catalyst. The coolers are part of the resid fluid catalytic-cracking (RFCC) unit. This refinery's RFCC unit has two regenerators, and the two ca...

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