1,178 Occidental, Corpus Christi, Tex. 1,682 Occidental, Lake Charles, La. 806 Phillips, Sweeny, Tex. 3,900 Rexene, Odessa, Tex. La. 2,600 Sun, Brandenburg, Ky. 120 Sun, Claymont, Del. 250 Union Carbide, Seadrift, Tex. Steam cracking of hydrocarbons accounts for virtually all of the ethylene produced worldwide.
Actual production varies depending on feedstock slate and coproduct demand.
Some 70 percent of the US ethylene industry's production is used captively for downstream derivatives. Due for startup in the second half of 2000, the unit will have 1.5 billion pounds of ethylene capacity. Chevron is adding 730 million pounds to Port Arthur in first quarter 1998. Millennium is expanding incrementally to add 90 million pounds of capacity at Clinton this year. Mobil Chemical plans to add 600 million pounds to its Beaumont plant capacity at the beginning of 1998.