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Fe78Si9B13 非晶条带去除水体中重金属离子 Zn(Ⅱ)的效果及机理研究
Study of the Effects and Mechanisms of Fe78Si9B13 Amorphous Ribbons in the Removal of Heavy Metal Ion Zn(Ⅱ)Aqueous Solutions
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- DOI:
- 作者:
- 田小军 1，李世霞 2，赵雅 2，张香云 3
TIAN Xiaojun1,LI Shixia2,ZHAO Ya2,ZHANG Xiangyun3
- 作者单位:
- 1. 酒钢集团西部重工股份有限公司，甘肃 嘉峪关 735100；2. 甘肃钢铁职业技术学院，甘肃 嘉峪关 735100；3. 兰州理工 大学 省部共建有色金属先进加工与再利用国家重点实验室，甘肃 兰州 730000
1. Gansu Iron and Steel Vocational and Technical College, Jiayuguan 735100, China; 2. Gansu Iron and Steel Vocational and Technical College, Jiayuguan 735100, China; 3. State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals， Lanzhou University of Technology, Lanzhou 730000, China
- 关键词:
- 非晶；重金属离子 Zn(II)；去除效果；吸附；共沉淀
amorphous; heavy metal ion Zn(II); removal effect; adsorption; coprecipitation
- 摘要:
- 采用厚度为 10 μmFe78Si9B13 非晶条带和 2.7 μm 零价铁粉作为去除水体中重金属离子 Zn(II) 的反应材料，对比 研 究 去 除 水 体 中 重 金 属 离 子 的 去 除 效 果 。 结果 表 明 ，800 min 之后 Fe78Si9B13 非晶 条 带 的 去 除 率 达 到 27.44%，溶液 浓度升高，去除率上升到 36.25%，溶液温度由 298 K 升高到 318 K，去除率达到 59.88%，去除机理主要是吸附和共沉淀。Fe78Si9B13 amorphous ribbons with thicknesses of 10 μmand 2.7 μmzero-valent iron powder were used as reaction materials to remove the heavy metal ion Zn(II) from water. The removal effects of heavy metal ions in water were compared and studied. The experimental results show that the removal rate of the Fe78Si9B13 amorphous ribbon reaches 27.44% after 800 min. When the solution concentration increases, this rate increases to 36.25% . As the solution temperature increases from 298 to 318 K, the removal rate further increases to 59.88%. The removal mechanism is mainly adsorption and coprecipitation.