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Application of zeolite synthesized from coal fly ash via wet milling as a sustainable resource on lead(II) removal by Wenxia Wang; Zihan Zheng; Chao Feng; Xiangpeng Gao; Yu Qiao; Minghou Xu is a Environmental Science article available to read on EtoBox.

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journals.sagepub.com/home/wmr 2018). To remove Pb from aqueous environment, various technologies have been proposed, including electro-chemical treatment, chemical precipitation, membrane filtration, ion exchange technology and adsorption . Among the technologies, adsorption is deemed as a promising option and has attracted numerous interests because of its efficiency, operability and low cost . To improve the performance of adsorption technology, extensive efforts have been made to develop efficient adsorbents, such as activated carbon, biomass materials, zeolite and industrial waste materials with or without modifications. However, most of the adsorbents generally have problems such as high cost, complex preparation process and high risk of secondary pollution . Among the adsorbents, zeolite is efficient for the removal of heavy metals because of the hollow tetrahedral structure with SiO 4 and AlO 4 . Because of the negatively charged surface, zeolite has a strong adsorption ability for cationic heavy metals such as Cu, Zn, Pb, Cd, Ni and radionuclides . Natural zeolites are a safe adsorbent, although impurities contained in these minerals limit their use on heavy metal

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Author

Wenxia Wang; Zihan Zheng; Chao Feng; Xiangpeng Gao; Yu Qiao; Minghou Xu

Publisher

SAGE Publications

Published

2023

Language

EN

Field

Environmental Science (Physical Sciences)