Petroleos Mexicanos, Tula, Hidalgo ( 331, 000 bbl / day ) C : Construction on a new 50, 000-bbl / day vacuum residues hydro-desulfurization plant and units involving hydrogen production, fractionation / light end recovery, gas sweetening, amine regeneration, sour water stripping and sulfur recovery will be completed between late 1996 and the second half of 1997.
12.
Unocal Corp ., Los Angeles / Wilmington, Calif . ( 118, 750 bbl / day ) U : Upgrade modifications of the fractionation unit at Los Angeles and the reformer, alkylation unit, catalytic light ends fractionation unit, sulfuric acid plant, hydrotreater, reformer, hydrocracker and mid-barrel processing unit at Wilmington are to be completed by the March California Phase II reformulated gasoline deadline.
