Long-term stability of FeSO<sub>4</sub> and H<sub>2</sub>SO<sub>4</sub> treated chromite ore processing residue (COPR): Importance of H<sup>+</sup> and SO<sub>4</sub><sup>2−</sup>

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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 Wang^a ; ^b ; Jingdong Zhang^a ; Linling Wang^b ; ^{wanglinling@mail.hust.edu.cn" class="auth_mail" title="E-mail the corresponding author} ; Jing Chen^b ; ^{chenjing@mail.hust.edu.cn" class="auth_mail" title="E-mail the corresponding author} ; Huijie Hou^b ; Jiakuan Yang^b ; Xiaohua Lu^a
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

•: The long-term stability of the FeSO₄-H₂SO₄ treated COPR was evaluated.
•: Reliable long-term stability for samples curing 400 days was achieved.
•: H₂SO₄ significantly enhanced the stabilization efficiency of COPR using FeSO₄.
•: H⁺ and SO₄²⁻ both reinforced Cr(VI) release from COPR core to react with Fe(II).

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