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化学工业与工程 2021, Vol. 38 Issue (5) :59-66    DOI: 10.13353/j.issn.1004.9533.20201012
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改性及固定化赤泥去除矿山废水中Mn (Ⅱ)的应用及机理研究
陈丽苹, 李勇超, 黄河, 徐政, 任伯帜
湖南科技大学土木工程学院, 湖南 湘潭 411201
Application and Mechanism of Modified and Immobilized Red Mud to Remove Mn(Ⅱ) in Mine Wastewater
Chen Liping, Li Yongchao, Huang He, Xu Zheng, Ren Bozhi
School of Civil Engineering, Hunan University of Science and Technology, Hunan Xiangtan 411201, China

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摘要 炼铝工业固体废料(赤泥)可作为吸附剂去除酸性废水中Mn (Ⅱ),采用序批试验研究不同改性赤泥除Mn (Ⅱ)特性,同时考察了动态条件下赤泥微球除锰能力,并通过X射线衍射(XRD)、傅里叶变换红外光谱(FTIR)、比表面积测定仪(BET)和X射线光电子能谱(XPS)等表征解析赤泥去除Mn (Ⅱ)的机理。序批实验结果表明不同赤泥对Mn (Ⅱ)的吸附能力为:热处理赤泥<酸活化赤泥
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陈丽苹
李勇超
黄河
徐政
任伯帜
关键词环境工程学   锰(Ⅱ)   赤泥   固定化   去除机理     
Abstract: Red mud, as a solid waste in alumina production, can be used as adsorbent to remove Mn(Ⅱ) from acid wastewater. Sequencing batch experiments were used to study the Mn(Ⅱ) removal characteristics of different modified red mud, and the removal capacity of red mud microspheres under dynamic conditions was also investigated. The mechanism of Mn(Ⅱ) removal by red mud was also analyzed by X-ray diffraction (XRD), Fourier transform infrared spectrometry (FTIR), Specific surface area tester (BET), X-ray photoelectron spectroscopy (XPS) Characterization. Batch experiment results showed that the Mn(Ⅱ) adsorption capacity of different samples was in order of heat-treated red mud
Keywordsenvironmental engineering   Mn(Ⅱ)   red mud   immobilized beads   removal mechanism     
Received 2020-11-11;
Fund:国家自然科学基金青年科学基金项目(51504094);湖南省自然科学基金项目(2018JJ3177)。
Corresponding Authors: 李勇超,E-mail:nkliyongchao@163.com。     Email: nkliyongchao@163.com
About author: 陈丽苹(1995-),女,硕士研究生,现从事微生物去除矿区废水中重金属研究方面的研究。
引用本文:   
陈丽苹, 李勇超, 黄河, 徐政, 任伯帜.改性及固定化赤泥去除矿山废水中Mn (Ⅱ)的应用及机理研究[J].  化学工业与工程, 2021,38(5): 59-66
Chen Liping, Li Yongchao, Huang He, Xu Zheng, Ren Bozhi.Application and Mechanism of Modified and Immobilized Red Mud to Remove Mn(Ⅱ) in Mine Wastewater[J].  Chemcial Industry and Engineering, 2021,38(5): 59-66
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