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Citation: ZHENG Hua-yan, LIU Yuan-yuan, DONG Rui-min, MENG Fan-hui, LI Zhong. Effects of water on catalytic performance of Cu+/S2O82-/γ-Al2O3 for oxidative carbonylation of methanol to dimethyl carbonate[J]. Journal of Fuel Chemistry and Technology, ;2013, 41(1): 110-115. shu

Effects of water on catalytic performance of Cu+/S2O82-/γ-Al2O3 for oxidative carbonylation of methanol to dimethyl carbonate

  • 1.

    Key Laboratory of Coal Science and Technology, Ministry of Education and Shanxi Province, Taiyuan University of Technolgy, Taiyuan 030024, China

  • Corresponding author: LI Zhong, 
  • Received Date: 27 April 2012
    Available Online: 5 June 2012

    Fund Project: 国家自然科学基金(20976113, 20936003) (20976113, 20936003) 山西省归国留学基金(20100038)。 (20100038)

  • Effects of H2O on the catalyst Cu+/S2O82-/γ-Al2O3 of DMC synthesis in slurry reactor were investigated under the conditions of 120℃ and 3.0 MPa. The results showed that the introduction of water into reaction system led to quick catalyst deactivation. The catalysts were characterized by the Elemental Analysis, XRD, DTG, Py-FT-IR and NH3-TPD. The results showed that active component Cu and CuCl, loading on the surface of S2O82-/γ-Al2O3 support, reacted with O2 and H2O, then formed Cu2(OH)3Cl which was essentially inactive for oxidative carbonylation of methanol to dimethyl carbonate. The catalyst deactivation rate speeded up with increasing water injection.
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