Adsorption of α-hydroxyoctyl phosphonic acid to ilmenite/water interface and its application in flotation
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- 作者：Fangxu Li ; Hong Zhong ; zhongh@csu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; zhonghongcsu@163.com" class="auth_mail" title="E-mail the corresponding author ; Gang Zhao ; Shuai Wang ; Guangyi Liu ; guangyi.liu@163.com" class="auth_mail" title="E-mail the corresponding author
- 关键词：α-Hydroxyoctyl phosphonic acid ; Adsorption ; Ilmenite ; Flotation
- 刊名：Colloids and Surfaces A: Physicochemical and Engineering Aspects
- 出版年：2016
- 出版时间：5 February 2016
- 年：2016
- 卷：490
- 期：Complete
- 页码：67-73
- 全文大小：1010 K
文摘
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HPA is first introduced as ilmenite flotation collector.
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HPA exhibits superior affinity to ilmenite at pH 9.0.
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O atoms in PO(OH)2 group is the reactive center of HPA.
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HPA chemisorbs on ilmenite surface by form of Fe
O and TiO bonds.