Long-term stability of FeSO4 and H2SO4 treated chromite ore processing residue (COPR): Importance of H+ and SO42−
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- 作者：Xin Wanga ; b ; Jingdong Zhanga ; Linling Wangb ; wanglinling@mail.hust.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Jing Chenb ; chenjing@mail.hust.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Huijie Houb ; Jiakuan Yangb ; Xiaohua Lua
- 关键词：Chromite ore processing residue ; Long-term stability ; Ferrous sulfate ; Sulfuric acid ; Sulfate anion
- 刊名：Journal of Hazardous Materials
- 出版年：2017
- 出版时间：5 January 2017
- 年：2017
- 卷：321
- 期：Complete
- 页码：720-727
- 全文大小：2658 K
文摘
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The long-term stability of the FeSO4-H2SO4 treated COPR was evaluated.
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Reliable long-term stability for samples curing 400 days was achieved.
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H2SO4 significantly enhanced the stabilization efficiency of COPR using FeSO4.
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H+ and SO42− both reinforced Cr(VI) release from COPR core to react with Fe(II).