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Pd/Mg(OH)2 Heterogeneous Nanocatalysts Synthesized by a Facile One-Pot Hydrothermal Method for CO Direct Esterification to Dimethyl Oxalate

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Abstract

Pd-based heterogeneous nanocatalysts have wide application in chemical industry. However, the traditional synthesis process contains multi-steps such as impregnation, dry, calcination and reduction. The pre-synthesis nanoparticles process can reduce the steps, but need to remove the surfactants, which are added in the synthesis process. In this work, a facile one-pot hydrothermal synthesis process named as single molecular precursor method was successfully developed to prepare Pd/Mg(OH)2 heterogeneous nanocatalysts with clean surface. The as-synthesized Pd/Mg(OH)2 heterogeneous nanocatalysts show excellent performance for CO direct esterification to dimethyl oxalate (DMO). The WTY (weight time yield) of DMO can reach the high-performance of 2544 g kgcat.−1 h−1, while the conversion of CO is 62.6% and selectivity to DMO is 90.8%. The single molecular precursor method developed by this work can be extended to other supported noble metal nanocatalysts.

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Acknowledgements

This work was supported by the National Key Research and Development Program of China (2017YFA0206802, 2017YFA0700103, 2018YFA0704500), the Programs of the Chinese Academy of Sciences (QYZDJ-SSW-SLH028), the Natural Science Foundation of Fujian Province (2018J06005, 2018J05036).

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Authors and Affiliations

  1. State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, Fujian, People’s Republic of China

    Xiao-Qi Lin, Zhi-Qiao Wang, Zhong-Ning Xu & Guo-Cong Guo

  2. University of Chinese Academy of Sciences, Beijing, 100049, People’s Republic of China

    Xiao-Qi Lin

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  1. Xiao-Qi Lin
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  2. Zhi-Qiao Wang
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  3. Zhong-Ning Xu
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Correspondence to Zhi-Qiao Wang or Guo-Cong Guo.

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Lin, XQ., Wang, ZQ., Xu, ZN. et al. Pd/Mg(OH)2 Heterogeneous Nanocatalysts Synthesized by a Facile One-Pot Hydrothermal Method for CO Direct Esterification to Dimethyl Oxalate. Catal Lett 151, 3213–3219 (2021). https://doi.org/10.1007/s10562-021-03559-y

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  • DOI: https://doi.org/10.1007/s10562-021-03559-y

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