KOREAN COMPANY STARTS UP FIRST ARS-BASED ETHYLENE UNIT

Han Yang Chemical Corp. is successfully operating the world's first ethylene plant to incorporate Stone & Webster Engineering Corp.'s Advanced Recovery System (ARS) technology. The plant is Han Yang's first venture into ethylene production. Naphtha feedstock was first introduced into the Yeochun, Korea, plant in December 1992. Within 5 days, all product specifications were achieved. Kenneth Bush, olefins technology manager for Stone & Webster, Houston, says the plant has

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