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题名: Boron adsorption mechanism of a hybrid gel derived fromtetraethoxysilane and bis(trimethoxysilylpropyl)amine
作者: 刘海宁 ;  卿彬菊 ;  叶秀深 ;  Guo, Min ;  李权 ;  吴志坚 ;  Lee, Kitae ;  Lee, Deokkyu ;  Lee, Kangtaek
刊名: CURRENT APPLIED PHYSICS
出版日期: 2009
卷号: 9, 期号:4, 页码:E280-E283
关键词: Boron ;  Hybrid gel ;  Adsorption ;  Mechanism
语种: An organic/inorganic hybrid gel was prepared with tetraethoxysilane (TEOS) and bis(trimethoxysilylpropyl)amine (TSPA) as precursors. The adsorption of boron on the hybrid gel in aqueous solutions was investigated comprehensively by varying the initial boron concentration, pH, ionic strength, and temperature. The equilibrium adsorption amount of boron increases with the increase in initial boron concentration and ionic strength, but decreases with the increase in temperature. The adsorption amount exhibits a maximum at initial pH of 4-10. Boron appears to be adsorbed in both H3BO3 and B(OH)(4) forms through the hydrogen bonding, electrostatic and hydrophobic attractions. (C) 2009 Elsevier B.V. All rights reserved. An organic/inorganic hybrid gel was prepared with tetraethoxysilane (TEOS) and bis(trimethoxysilylpropyl)amine (TSPA) as precursors. The adsorption of boron on the hybrid gel in aqueous solutions was investigated comprehensively by varying the initial boron concentration, pH, ionic strength, and temperature. The equilibrium adsorption amount of boron increases with the increase in initial boron concentration and ionic strength, but decreases with the increase in temperature. The adsorption amount exhibits a maximum at initial pH of 4-10. Boron appears to be adsorbed in both H3BO3 and B(OH)(4) forms through the hydrogen bonding, electrostatic and hydrophobic attractions. (C) 2009 Elsevier B.V. All rights reserved.
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内容类型: 期刊论文
URI标识: http://ir.isl.ac.cn/handle/363002/2101
Appears in Collections:青海盐湖研究所知识仓储(2014年之前)_期刊论文

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Recommended Citation:
Liu, Haining,Qing, Binju,Ye, Xiushen,et al. Boron adsorption mechanism of a hybrid gel derived fromtetraethoxysilane and bis(trimethoxysilylpropyl)amine[J]. CURRENT APPLIED PHYSICS,2009,9(4):E280-E283.
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