Synthesis of Dimethyl Carbonate over Activated Carbon Supported Cu Based Catalysts

Wang Ruiyu; Li Zhong

doi:10.4028/www.scientific.net/AMR.953-954.1242

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 953-954Synthesis of Dimethyl Carbonate over Activated...

Synthesis of Dimethyl Carbonate over Activated Carbon Supported Cu Based Catalysts

Abstract:

The supported chloride-free copper based catalyst was prepared by deposition-precipitation method and used to catalyze the direct vapor-phase oxycarbonylation of methanol to dimethyl carbonate (DMC). The effect of reductive agent and copper salt precursor on catalyst structure and catalytic performance were investigated, the catalysts were characterized by XRD, H₂-TPR techniques. Using Cu (CH₃COO)₂ as precursor, glucose as reductive agent, when loading amount was 17.1%, the Cu₂O/AC catalyst shows the best performance for DMC synthesis. Under the condition of CO/MeOH/O₂=5/11/1, SV=6625h^-1, the average STY of DMC in 9 hrs running was 71.96mg/(g·h), and selectivity of DMC was 83.13%.

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Periodical:

Advanced Materials Research (Volumes 953-954)

Pages:

1242-1245

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.953-954.1242

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Online since:

June 2014

Authors:

Wang Ruiyu*, Li Zhong

Keywords:

Cu-Based Catalyst, Deposition-Precipitation Method, Dimethyl Carbonate, Methanol, Oxidative Carbonylation

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