HollyFrontier upgrading Okla. integrated refinery

03/27/2013 | Tulsa World (Okla.)

HollyFrontier is upgrading its integrated refinery in Tulsa, Okla. The company completed the installation of components at the plant's west facility, including a coker blow-down system and a vacuum tower. A new sulfur unit and two tanks will be added to the plant's east facility, HollyFrontier said.

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Tulsa World (Okla.)

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