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Fe-Si-B非晶复合微粉去除水体中重金属离子Cu(Ⅱ)的效果研究
Study on Removal of Heavy Metal Ion Cu(II) from Water by Fe-Si-B Amorphous Composite Powders
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- DOI:
- 作者:
- 李世霞，梁俊刚，赵雅，贾宝丽
LI Shixia, LIANG Jungang, ZHAO Ya, JIA Baoli
- 作者单位:
- 甘肃钢铁职业技术学院 省市共建冶金技术重点实验室，甘肃 嘉峪关 735100
Key Laboratory of Metallurgical Technology, Gansu Iron and Steel Vocational and Technical College, Jiayuguan 735100, China
- 关键词:
- Fe-Si-B 非晶复合微粉；重金属离子 Cu(II) ；去除效果
Fe-Si-B amorphous composite powder, heavy metal ion Cu(II), removal effect
- 摘要:
- 采用 10 μm 的 Fe-Si-B 非晶复合微粉和 300 目铁粉作为去除水体中重金属离子 Cu(II)的反应材料，对比研
究了去除水体中重金属离子的能力。 结果表明，在 20 min 以内，0.5 g/L Fe-Si-B 非晶复合微粉将 500 mg/L 的 Cu(II)去除
效率达到 98%以上；Fe-Si-B 非晶复合微粉反应速率系数 kobs 为 0.236 min-1
，300 目铁粉的反应速率系数为 0.087 min-1
，
去除速率远远高于铁粉，并且去除过程符合伪一级动力学模型。
Using 10 μm Fe-Si-B amorphous composite powder and 300 mesh iron powder as the reaction material for removing heavy metal ions from water, the removal ability of heavy metal ions from water was compared and studied. The results show that the removal efficiency of 500 mg/L Cu(II) by 0.5 g/L Fe-Si-B amorphous composite powder is more than 98% within 20 min. The reaction rate coefficient kobs of Fe-Si-B amorphous composite powder is 0.236 min-1 , 300 mesh iron powder is 0.087 min-1 , and the removal rate is much higher than that of iron powder, and the removal process conforms to the pseudo-first-order kinetic model.