590 Dow, Plaquemine, La. 620 Eastman, Longview, Tex. 226 Equistar, Bayport, Tex. 750 Formosa, Point Comfort, Tex. 525 Huntsman, Port Neches, Tex. 997 PD Glycol, Beaumont, Tex.
Commercial production is by direct oxidation of ethylene.
Huntsman will expand its capacity at Port Neches to 1.2 billion pounds by January 1999. Occidental Chemical's Bayport plant is part of the company's petrochemical assets merged into Equistar Chemicals in May 1998. Occidental has a 29.5 percent stake in Equistar, a joint venture with Millennium Chemicals and Lyondell Petrochemicals. Equistar also takes over for OxyChem in PD Glycol, a 50-50 joint venture with DuPont. Asian firms hold the remaining 50 percent.