Direct Synthesis of DMC from CO2 and CH3OH over CexZr 1-x-0.1Y 0.1 O2 Catalysts

Zhi Fang Zhang; Rui Bing Wang; Xiang Rong Ma

doi:10.4028/www.scientific.net/AMR.287-290.1632

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 287-290Direct Synthesis of DMC from CO2 and CH3OH over...

Direct Synthesis of DMC from CO₂ and CH₃OH over Ce_xZr _1-x-0.1Y _0.1 O₂ Catalysts

Abstract:

The solid solution series Ce_xZr(1-x-0.1)Y_0.1O₂ with various x values was prepared by the citric acid sol-gel method, using cerium and zirconium nitrides as precursors, respectively. The characterization results of the XRD, N₂ sorption measurements indicated that the physical properties of the solid solutions were significantly affected by the x values in Ce_xZr(1-x-0.1)Y_0.1O₂ and the calcination temperatures. These solid solutions can be used as catalyst for the direct synthesis of dimethyl carbonate from CH₃OH and CO₂. Results indicated that the catalytic activity for DMC synthesis was influenced by the structure of the solid solutions and the x values in Ce_xZr(1-x-0.1)Y_0.1O₂. The optimized Ce_0.5Zr_0.4Y_0.1O₂ with bimodal pore structure exhibited higher catalytic performance to DMC synthesis.

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Advanced Materials Research (Volumes 287-290)

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1632-1635

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.287-290.1632

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Online since:

July 2011

Authors:

Zhi Fang Zhang, Rui Bing Wang, Xiang Rong Ma

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Ce_XZr _1-x-0.1 Y_0.1 O ₂ Solid Solution, CO₂, Dimethyl Carbonate

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