Fluoride recovery using porous calcium silicate hydrates via spontaneous Ca2+ and OH∿/sup> release
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- 作者：Wei Guana ; b ; Xu Zhaoa ; zhaoxu@rcees.ac.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Fluoride recovery ; Porous calcium silicate hydrates ; Calcium fluoride ; Ion exchange
- 刊名：Separation and Purification Technology
- 出版年：2016
- 出版时间：13 June 2016
- 年：2016
- 卷：165
- 期：Complete
- 页码：71-77
- 全文大小：1603 K
文摘
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Fluoride recovery using P-CSH occurred without extra pH adjustment.
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Ca2+ and OH− can be released from P-CSH spontaneously.
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The recovered product with high fluoride content can be reused as CaF2.
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The surface Ca
OH of P-CSH played a key role in F− ion exchange.