Delek says Tyler SRU, SCOT units back after upset

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NEW YORK, May 20 (Reuters) - Delek US Holdings Inc (DK.N: Quote, Profile, Research) said on Wednesday that it restored to normal operations a sulfur recovery unit and a SCOT unit after Tuesday upsets at its 55,000-barrel per day Tyler, Texas refinery.

"Due to process unit upsets, Delek experienced two brief periods of SO2 emissions from the #2 Cat Flare that lasted a total of approximately 75 minutes," Delek said in a filing with the Texas Commission on Environmental Quality.