| 纳米酸性水钠锰矿去除亚甲基蓝的研究 |
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| 引用本文： | 彭波,陈若愚,程晓迪,吕红晓,张嵚. 纳米酸性水钠锰矿去除亚甲基蓝的研究[J]. 环境工程, 2015, 33(2): 48-52. DOI: 10.13205/j.hjgc.201502010 |
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| 作者姓名： | 彭波 陈若愚 程晓迪 吕红晓 张嵚 |
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| 作者单位： | 1. 华中科技大学公共管理学院,武汉,430074
2. 江西农业大学国土资源与环境学院,南昌,330045 |
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| 基金项目： | 国家自然科学基金(41201225);江西省自然科学基金(20122BAB214007);江西省教育厅科学技术研究项目(GJJ13286) |
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| 摘 要： | 酸性水钠锰矿是普遍存在于土壤与海洋、湖泊及河流沉积物中的一种氧化锰矿物,因其颗粒细小、比表面积大、负电荷量高、表面活性强,影响和决定着污染物的行为和归趋。采用回流法制备纳米酸性水钠锰矿,运用X射线衍射(XRD)与Rietveld粉末衍射峰形全谱拟合技术表征其晶体结构,并通过扫描电镜(SEM)和透射电镜表征(TEM)观察其晶体形貌。研究纳米酸性水钠锰矿对亚甲基蓝(Methylene Blue,MB)的去除作用,并讨论影响因素(p H值、矿物浓度、染料浓度和温度)对MB去除的影响。研究结果表明,降低反应p H值、升高锰氧化物浓度、降低染料浓度及升高反应温度都可以促进MB的去除。
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| 关 键 词： | 酸性水钠锰矿 亚甲基蓝 去除 影响因素 |
STUDY ON METHYLENE BLUE REMOVAL BY ACID BIRNESSITE |
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| Peng Bo , Chen Ruoyu , Cheng Xiaodi , Lv Hongxiao , Zhang Qin. STUDY ON METHYLENE BLUE REMOVAL BY ACID BIRNESSITE[J]. Environmental Engineering, 2015, 33(2): 48-52. DOI: 10.13205/j.hjgc.201502010 |
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| Authors: | Peng Bo Chen Ruoyu Cheng Xiaodi Lv Hongxiao Zhang Qin |
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| Affiliation: | Peng Bo;Chen Ruoyu;Cheng Xiaodi;Lv Hongxiao;Zhang Qin;College of Public Administration,Huazhong University of Science and Technology;College of Land Resources and Environment,Jiangxi Agricultural University; |
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| Abstract: | Acid birnessite ( Bir-H) is widespread in soil，oceans，lakes and river sediments，which can determine the behaviorand fate of organic pollutants and heavy metals due to its fine particle，large surface area，high amount of negative charge andhigh surface activity． In this study， acid birnessite was synthesized by a reflux method，and characterized by X-ray diffraction( XRD) ，scanning electron microscopy ( SEM) and transmission electron microscopy ( TEM) ． The ability of acid birnessite forthe removal of methylene blue ( MB) was investigated，and impacts of solution pH， acid birnessite loading，concentration of MBand reaction temperature on the removal of MB were studied． The results showed that the increase of acid birnessite loading andreaction temperature or decrease of solution pH and concentration of MB can facilitate the removal of MB． |
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| Keywords: | acid birnessite methylene blue removal influence factors |
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