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Decolouring mechanism of Zhejiang diatomite. Application to printing and dyeing wastewater |
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| Authors: | Wang Zhaolun Yang Yuxiang Qu Xuping Zhang Jianbo Chen Yaru Nie Linxi |
| Institution: | (1) College of Applied Technology, Wenzhou University, Zhejiang, 325035, P. R. China;(2) School of Chemistry & Pharmaceutics, East China University of Science & Technology, 200237, P. R. China;(3) Department of Environmental Sciences, College of Environmental Sciences, Peking University, Bejing, 100871, P. R. China |
| Abstract: | We report the adsorption isotherm of methylene blue on the surface of Zhejiang and Jilin diatomite. The relationship between the adsorption isotherm and diatomite pore structure is discussed. The degree of decolouring was found to be strongly related to pH and isoelectrical value. Furnace ash residue and diatomite were found to be very effectively treating printing and dyeing wastewater. |
| Keywords: | Diatomite Methylene blue Adsorption isotherm Printing and dyeing wastewater |
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