Definition of "hydroprocessing" [hydroprocessing]

• Any of several chemical engineering processes including hydrogenation, hydrocracking and hydrotreating, especially as part of oil refining. (noun)

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• "The Meraux refinery is 40 miles from its refinery in St. Charles, La., and includes a 34,000-barrel-a-day hydrocracker and significant hydroprocessing capacity for clean diesel production."
• "ART is a leading global supplier of hydroprocessing catalysts which remove sulfur and other contaminants from petroleum to produce more environmentally-friendly transportation fuels, and allow refiners to process less expensive feedstocks."
• "ART was established to develop and supply hydroprocessing catalysts and is the largest shareholder of Kuwait Catalyst Company, a privately held Kuwaiti company and a supplier of hydroprocessing catalysts for petroleum refining in the Arabian Gulf region."