The Hill: Texas oil refinery partially suspends operations, citing oxygen supply shortage

The Hill: Texas oil refinery partially suspends operations, citing oxygen supply shortage . “Sulfur recovery units use oxygen in an effort to retrieve sulfur, which comes from raw materials, to meet the chemical element’s emissions standards. A Texas environmental filing noted that Citgo Petroleum Corp. had halted part of that unit’s operations due to a higher medical need for oxygen in the area, Bloomberg noted.”

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