UPGRADE ADDS THREE UNITS AT CORPUS PLANT
Kerr-McGee Refining Corp. is adding three process units at a cost of about $39 million at its Corpus Christi refinery. The units are part of the company's plan to upgrade its refineries while meeting requirements of the 1991 Clean Air Act amendments. A diene saturation unit will go on stream this month to improve the quality of light olefins before they are further refined by alkylation. The 10,000 b/d unit is licensed by Engelhard Corp.