Mechanical investigation of U(VI) on pyrrhotite by batch, EXAFS and modeling techniques
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- 作者：Haibo Liua ; Yuke Zhua ; Bin Xua ; Ping Lia ; Yubing Sunb ; sunyb@ipp.ac.cn" class="auth_mail" title="E-mail the corresponding author ; Tianhu Chena ; Chentianhu168@vip.sina.com" class="auth_mail" title="E-mail the corresponding author
- 关键词：U(VI) ; Pyrrhotite ; EXAFS ; Surface complexation modeling
- 刊名：Journal of Hazardous Materials
- 出版年：2017
- 出版时间：15 January 2017
- 年：2017
- 卷：322
- 期：part_PB
- 页码：488-498
- 全文大小：1935 K
文摘
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U(VI) was primarily adsorbed on pyrrhotite and partially reduced by Fe2+ and S2−.
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XAS demonstrated reductive co-precipitates of U(VI) on pyrrhotite after 168 h.
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Inner-surface complexation dominated the U(VI) removal at pH > 5 by SCMs.