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Transition metal salts of H4PMo11VO40 for efficient H2S removal in the liquid redox process

Yun-Qian Ma, Xin-Peng Liu, Jun-Peng Li, Rui Wang, and Mei-Qing Yu

School of Environmental Science and Engineering, Shandong University, Jinan, China

 

E-mail: wangrui@sdu.edu.cn

Abstract: Several transition metal (Cu2+, Fe3+, Zn2+, Mn4+, and Cr6+) salts of H4PMo11VO40 were prepared and their solutions were used initially for H2S removal in the liquid redox process. H2S removal tests were performed by dynamic absorption experiments. Among these polyoxometalates, that with the Cu2+ cation was found to have pronounced H2S removal performance with the removal efficiency of up to 98%. The relevant oxidative desulfurization mechanism and the role of Cu2+ were studied.

Keywords: H2S; Desulfurization; Liquid redox; Polyoxometalate

Full paper is available at www.springerlink.com.

DOI: 10.1007/s11696-016-0064-9

 

Chemical Papers 71 (3) 647–652 (2017)

Sunday, June 20, 2021

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