Removal mechanism of high concentration borate by co-precipitation with hydroxyapatite
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- 作者：Keiko Sasakia ; keikos@mine.kyushu-u.ac.jp" class="auth_mail" title="E-mail the corresponding author ; Kenta Toshiyukia ; Keiko Idetab ; Hajime Mikia ; Tsuyoshi Hirajimaa ; Jin Miyawakib ; Mitsuhiro Murayamac ; Ismaila Dabod
- 关键词：Hydroxyapatite ; Borate ; X-ray diffraction ; 11B-nuclear magnetic resonance ; Transmission electron microscopic observation ; Surface complexation
- 刊名：Journal of Environmental Chemical Engineering
- 出版年：2016
- 出版时间：March 2016
- 年：2016
- 卷：4
- 期：1
- 页码：1092-1101
- 全文大小：2694 K
文摘
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Co-precipitation of high borate concentrations with HAp was investigated.
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Maximum sorption density of borate in HAp was 0.40 of B/Ca.
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Triborate was decomposed into monomers during immobilization in HAp.
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With high borate concentrations, the crystalization of HAp was inhibited.
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11B-NMR suggested tetragonal B is always predominant in solid phase of HAp.