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电炉精炼渣中重金属在不同溶液体系的浸出行为
Authors
包炜军
廖丹葵
+5 more
李会泉
王晨晔
许德华
马驰
黄科林
Publication date
1 January 2015
Publisher
Abstract
采用全溶实验、短期与长期浸出实验,对电炉精炼渣中重金属元素的浸出行为进行研究,并通过SEM与XRD分析其机理. 结果表明,电炉精炼渣中Ba元素短期浸出浓度最高值为52.10 mg/L,超出国家污水重金属排放标准;Ni元素短期浸出浓度最高值为0.025 mg/L,V元素长期浸出浓度最高值为0.176 mg/L,超出生活饮用水卫生标准. 重金属元素的浸出主要是由于钢渣中Ca_2SiO_4×H_2O (C-S-H)等结构的破坏
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Last time updated on 05/12/2019