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478 results on '"Kong, Lingyan"'

28. Efficient Removal of Methylene Blue Using an Organic–Inorganic Hybrid Polyoxometalate as a Dual-Action Catalyst for Oxidation and Reduction.

Author

Chen, Lu, Cui, Haowen, Jiang, Feng, Kong, Lingyan, Fei, Baoli, and Mei, Xiang

Subjects
FOURIER transform infrared spectroscopy, X-ray photoelectron spectroscopy, HETEROGENEOUS catalysts, CATALYTIC reduction, WASTEWATER treatment, METHYLENE blue
Abstract

An organic–inorganic hybrid polyoxometalate (POM) CoPMoV [PMoVI8VIV4VV2O42][Co(Phen)2(H2O)]2[TEA]2•H3O•3H2O (Phen = 1,10-phenanthroline, TEA = triethylamine) prepared by hydrothermal synthesis was explored as a heterogeneous catalysts to remove methylene blue (MB) through Fenton-like reaction and catalytic reduction. X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X-ray (EDX), Fourier transform infrared spectroscopy (FT-IR), and X-ray photoelectron spectroscopy (XPS) were employed to characterize CoPMoV. The MB removal rates for the Fenton-like reaction and the catalytic reduction were 91.6% (120 min) and 97.5% (2 min), respectively, under optimum conditions. CoPMoV demonstrated excellent stability and recyclability in the Fenton-like reaction and catalytic reduction, which was confirmed by 5 cycle tests. Plausible mechanisms for MB degradation and reduction have also been proposed. Benefiting from the excellent redox properties of cobalt and [PMoVI8VIV4VV2O42]5− anion, CoPMoV could act as a Fenton-like and reductive catalyst for the removal of MB. This study provides a green and facile strategy to design POM-based organic–inorganic material for dye wastewater treatment via oxidation and reduction. [ABSTRACT FROM AUTHOR]

Published
2024
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29. Application of Vision Guarding Technique in Intelligent Grasp of Industrial Robot

Author

Kong, Lingyan, Kacprzyk, Janusz, Series Editor, Pal, Nikhil R., Advisory Editor, Bello Perez, Rafael, Advisory Editor, Corchado, Emilio S., Advisory Editor, Hagras, Hani, Advisory Editor, Kóczy, László T., Advisory Editor, Kreinovich, Vladik, Advisory Editor, Lin, Chin-Teng, Advisory Editor, Lu, Jie, Advisory Editor, Melin, Patricia, Advisory Editor, Nedjah, Nadia, Advisory Editor, Nguyen, Ngoc Thanh, Advisory Editor, Wang, Jun, Advisory Editor, Sugumaran, Vijayan, editor, Xu, Zheng, editor, and Zhou, Huiyu, editor

Published
2021
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