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Adsorption performance of modified bentonite granular (MBG) on sediment phosphorus in all fractions in the West Lake, Hangzhou, ChinaZisen

文献类型：期刊论文

作者Liu, Zisen1,2; Zhang, Yi1; Liu, Biyun1; Zeng, Lei1,2; Xu, Dong1; He, Feng1; Kong, Lingwei3; Zhou, Qiaohong1; Wu, Zhenbin1
刊名ECOLOGICAL ENGINEERING
出版日期2017-09-01
卷号106期号:1页码:124-131
关键词Modified bentonite granular (MBG) Adsorption Sediment phosphorus in all fractions Eutrophication West Lake
ISSN号0925-8574
DOI10.1016/j.ecoleng.2017.05.042
英文摘要

Modified bentonite granulars (MBGs) were prepared by acidification, natrification, calcination, and combined modification methods, and evaluated as effective in-situ adsorption materials to remove sediment phosphorus (P) in all fractions. The morphology and microstructure of MBG were characterized by scanning electron microscope (SEM), X-ray fluorescence (XRF), fourier transform infrared (FTIR) and X-ray diffraction (XRD). Results showed that the P removal capacity of CMBG-Na10-450 treated with 10% (g/g) Na2CO3 and calcined at 450 degrees C exhibited the highest P removal capacity. Under the optimal conditions of stirring tests, the removal rates of sediment TP, OP, IP, Fe/Al-P and Ca-P by CMBG-Na10-450 were 35.5%, 29.1%, 54.5%, 44.6% and 10.7%, respectively. The adsorption mechanism analysis found that MBG adsorbed sediment P mainly by anionic coordination exchange adsorption. These results indicated that modification enhanced the P adsorption capacity of bentonite, and the MBG can be further applied to control and reduce sediment P in eutrophication remediation. (C) 2017 Elsevier B.V. All rights reserved.

WOS关键词SORPTION-RELEASE CHARACTERISTICS ; AQUEOUS-SOLUTIONS ; PHOSPHATE ; REMOVAL ; WATER ; RESERVOIR ; CR(VI) ; GREECE ; RIVER ; CLAY
资助项目Major Science and Technology Program for Water Pollution Control and Treatment of China12th Five-Year Plan[2012ZX07101007-005] ; Hubei ProvincialNatural Science Foundation of China[2014CFB282] ; Environmental Protection Program of Hubei Province[2015HB14] ; Knowledge Innovation Program of the Chinese Academy of Sciences
WOS研究方向Environmental Sciences & Ecology ; Engineering
语种英语
WOS记录号WOS:000405512600015
出版者ELSEVIER SCIENCE BV
资助机构Major Science and Technology Program for Water Pollution Control and Treatment of China12th Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment of China12th Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment of China12th Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment of China12th Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment of China12th Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment of China12th Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment of China12th Five-Year Plan ; Major Science and Technology Program for Water Pollution Control and Treatment of China12th Five-Year Plan ; Hubei ProvincialNatural Science Foundation of China ; Hubei ProvincialNatural Science Foundation of China ; Hubei ProvincialNatural Science Foundation of China ; 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源URL[http://ir.ihb.ac.cn/handle/342005/31614]  
专题水生生物研究所_水环境工程研究中心_期刊论文
通讯作者Zhang, Yi; He, Feng
作者单位1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Environm Res & Design Inst Zhejiang Prov, Hangzhou 310007, Zhejiang, Peoples R China
推荐引用方式
GB/T 7714		 Liu, Zisen,Zhang, Yi,Liu, Biyun,et al. Adsorption performance of modified bentonite granular (MBG) on sediment phosphorus in all fractions in the West Lake, Hangzhou, ChinaZisen[J]. ECOLOGICAL ENGINEERING,2017,106(1):124-131.
APA Liu, Zisen.,Zhang, Yi.,Liu, Biyun.,Zeng, Lei.,Xu, Dong.,...&Wu, Zhenbin.(2017).Adsorption performance of modified bentonite granular (MBG) on sediment phosphorus in all fractions in the West Lake, Hangzhou, ChinaZisen.ECOLOGICAL ENGINEERING,106(1),124-131.
MLA Liu, Zisen,et al."Adsorption performance of modified bentonite granular (MBG) on sediment phosphorus in all fractions in the West Lake, Hangzhou, ChinaZisen".ECOLOGICAL ENGINEERING 106.1(2017):124-131.

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来源：水生生物研究所

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