Cheyenne Refining LLC, a subsidiary of HollyFrontier Corp., Dallas, has let a contract to a division of Honeywell International Inc., Des Plaines, Ill., to provide technology for removing contaminants from industrial wastewater in order to meet stricter environmental discharge requirements at the 49,400-b/d (52,000-b/sd) Cheyenne, Wyo., refinery.

Source: News