Abstract:The activities of molybdenum naphthenate and cobalt naphthenate for benzothiophene desulfurization are studied at 350 to 400°C and 6.9 to 13.8 MPa pressure. Molybdenum is found to be more active than cobalt naphthenate for desulfurization. At 400°C, using 104 mg/kg Mo on benzothiophene in tetralin under 6.9 MPa H2, over 90 mol % conversion of benzothiophene to ethylbenzene is observed. No styrene is detected. The dominant pathway for desulfurization is proposed to be via the initial hydrogenation to dihydroben… Show more
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