发表状态 | 已发表Published |
题名 | The effect of modifier adding sequence on physical-chemical property and adsorption ability of Inorganic-Organic Montmorillonite (IOMMt) |
作者 | |
发表日期 | 2023-06-01 |
发表期刊 | Journal of Environmental Chemical Engineering
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卷号 | 11期号:3 |
摘要 | Adding sequence is one of the crucial factors affecting the modification on the properties of modified products in addition to the types of modifiers. Inorganic-organic montmorillonites (IOMMts) as adsorbents were synthesized in three adding sequences of Keggin Al complex (Al) and Hexadecyltrimethyl ammonium (HDTMA): (1) the montmorillonite (MMt) was modified by Al before HDTMA (O-Al-MMt); (2) the montmorillonite was modified by HDTMA before Al (Al-O-MMt); (3) the montmorillonite was modified simultaneously by Al and HDTMA (Co-MMt). The physical-chemical properties and simultaneous adsorption abilities of IOMMts towards hexavalent chromium (Cr(VI)) and bisphenol A (BPA) as affected by these three adding sequences were investigated. The results showed that the variations of basal distance (d), surface area, and porosity of IOMMts depended on the type and adding sequence of modifiers. The adding sequence mainly affected the molecular environment and the amount of HDTMA incorporated into IOMMts, and thereby affected the adsorption abilities of IOMMts towards Cr(VI) and BPA. Al-O-MMt and Co-MMt exhibited higher loaded amounts of HDTMA (0.773 and 0.784 mmol/g) than O-Al-MMt (0.368 mmol/g). As a result, Al-O-MMt and Co-MMt had higher maximum adsorption amounts of Cr(VI) (Al-O-MMt: 13 mg/g and Co-MMt: 10.9 mg/g) and BPA (Al-O-MMt: 179 mg/g and Co-MMt:173 mg/g) than O-Al-MMt (Cr(VI): 2.6 mg/g and BPA: 31.4 mg/g). In terms of the simultaneous adsorption abilities of IOMMts towards both Cr(VI) and BPA, BPA had a synergistic effect to increase the adsorption of Cr(VI), while Cr(VI) competed with BPA to reduce the adsorption of BPA onto IOMMts. |
关键词 | Adding sequence Adsorption Bisphenol A Hexavalent chromium Inorganic-organic montmorillonite Physical-chemical property |
DOI | 10.1016/j.jece.2023.110115 |
URL | 查看来源 |
收录类别 | SCIE |
语种 | 英语English |
WOS研究方向 | Engineering |
WOS类目 | Engineering, Environmental ; Engineering, Chemical |
WOS记录号 | WOS:001041590700001 |
Scopus入藏号 | 2-s2.0-85159279251 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | https://repository.uic.edu.cn/handle/39GCC9TT/10608 |
专题 | 理工科技学院 |
通讯作者 | Jiang, Sabrina Yanan |
作者单位 | 1.Department of Life Science,Faculty of Science and Technology,Beijing Normal University–Hong Kong Baptist University United International College,Zhuhai,Guangdong Province,519087,China 2.Department of Chemistry,Faculty of Science,Hong Kong Baptist University,Hong Kong 3.National Observation and Research Station of Coastal Ecological Environments in Macao,Macao Environmental Research Institute,Macau University of Science and Technology,Taipa,999078,Macao |
第一作者单位 | 理工科技学院 |
推荐引用方式 GB/T 7714 | Chen, Jiajun,Lu, Jianzun,Jiang, Sabrina Yananet al. The effect of modifier adding sequence on physical-chemical property and adsorption ability of Inorganic-Organic Montmorillonite (IOMMt)[J]. Journal of Environmental Chemical Engineering, 2023, 11(3). |
APA | Chen, Jiajun, Lu, Jianzun, Jiang, Sabrina Yanan, Lee, Chiu Hong, Li, Yu, & Ruan, Huada Daniel. (2023). The effect of modifier adding sequence on physical-chemical property and adsorption ability of Inorganic-Organic Montmorillonite (IOMMt). Journal of Environmental Chemical Engineering, 11(3). |
MLA | Chen, Jiajun,et al."The effect of modifier adding sequence on physical-chemical property and adsorption ability of Inorganic-Organic Montmorillonite (IOMMt)". Journal of Environmental Chemical Engineering 11.3(2023). |
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