Research on magnetic carboxymethyl cellulose nanoparticles for the adsorption of copper ions

doi:10.11894/1005-829x.2018.38(10).033

INDUSTRIAL WATER TREATMENT ›› 2018, Vol. 38 ›› Issue (10): 33-36. doi: 10.11894/1005-829x.2018.38(10).033

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Research on magnetic carboxymethyl cellulose nanoparticles for the adsorption of copper ions

Wang Licong^1,2, Cao Yuhua¹

1. School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China;
2. Department of Chemical and Textile Engineering, Jiangyin Polytechnic College, Jiangyin 214405, China

Received:2018-06-27 Online:2018-10-20 Published:2018-10-29

磁性羧甲基纤维素纳米粒子吸附铜离子研究

王丽聪^1,2, 曹玉华¹

1. 江南大学化学与材料工程学院, 江苏无锡 214122;
2. 江阴职业技术学院化纺系, 江苏江阴 214405

通讯作者: 曹玉华,E-mail:yuhuacao64@gmail.com。
作者简介:王丽聪(1979-),博士研究生。电话:0510-86022663,E-mail:licong_wang@163.com。
基金资助:
食品胶体与生物技术教育部重点实验室项目（Grant No.JDSJ2013-03）资助

Abstract

Abstract: Magnetic carboxymethyl cellulose nano-particles(CMC@Fe₃O₄) have been prepared by co-precipitation method,the prepared CMC@Fe₃O₄ characterized by means of transmission electron microscopy,Fourier transform infrared spectroscopy and vibrating sample magnetometer,the optimal dosage of CMC discussed,and their adsorption capability for Cu²⁺ investigated. The results show that CMC can successfully be coated on the outer layer of Fe₃O₄. The maximum adsorption capacity of CMC@Fe₃O₄ for Cu²⁺ is 41.62 mg/g. The CMC@Fe₃O₄ adsorption for Cu²⁺ complies with the Langmuir equation quite well,and the adsorption process can be described by pseudo-second-order kinetic equation.

Key words: carboxymethyl cellulose, magnetic nano-particles, adsorption, copper ions

摘要： 采用共沉淀法制备了磁性羧甲基纤维素纳米粒子（CMC@Fe₃O₄），利用TEM、FTIR和VSM等手段对制备的CMC@Fe₃O₄进行了表征，探讨了CMC的最佳用量，并进行了吸附Cu²⁺性能研究。结果表明，CMC成功包覆在Fe₃O₄外层，制备的CMC@Fe₃O₄对Cu²⁺的最大吸附量为41.62 mg/g。CMC@Fe₃O₄对Cu²⁺的吸附较好地满足Langmuir方程，吸附过程可以用准二级动力学方程描述。

关键词: 羧甲基纤维素钠, 磁性纳米粒子, 吸附, 铜离子

CLC Number:

X522
X703

Wang Licong, Cao Yuhua. Research on magnetic carboxymethyl cellulose nanoparticles for the adsorption of copper ions[J]. INDUSTRIAL WATER TREATMENT, 2018, 38(10): 33-36.

王丽聪, 曹玉华. 磁性羧甲基纤维素纳米粒子吸附铜离子研究[J]. 工业水处理, 2018, 38(10): 33-36.

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https://www.iwt.cn/EN/Y2018/V38/I10/33

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