Steven E. Harper Chevron Chemical Co. LLC Port Arthur, Tex.
Wadie Malaty Stone & Webster Engineering Corp. Houston, Tex.
Stone & Webster's ARS technology was implemented in Chevron's ARS and refinery-gas dephlegmator coldboxes during the revamp in 1997.
Chevron Chemical Co. LLC's Port Arthur, Tex., ethylene unit (EU-1544) was recently expanded from 1.0 billion lb/year to 1.7 billion lb/year.
The unit has been operating at capacity since November 1997.
Chevron and Stone & Webster Engineering Corp. have been working as a team since 1991, as the EU-1544 expansion project has evolved from a concept to construction.
The following pr...