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题名: Cysteine-modified orange peel for removal of Cu(II) from aqueous solutions
作者: Mingdeng Liu, Qunhui Yuan, Hanzhong Jia, Shouzhu Li, Xiaohuan Wang and Chuanyi Wang
通讯作者: Qunhui Yuan,Chuanyi Wang
关键词: adsorption ; Cu(II) ; cysteine ; diethylenetriamine ; orange peel
刊名: WATER SCIENCE AND TECHNOLOGY
发表日期: 2013
DOI: 10.2166/wst.2013.136
卷: 67, 期:11, 页:2444-2450
收录类别: SCI
摘要: In the present work, cysteine-modified orange peel (COP) for the removal of Cu(II) from aqueous solutions has been developed and comparatively studied with diethylenetriamine-modified orange peel (DOP). Both COP and DOP were systematically evaluated via their capabilities for adsorbing Cu(II), including the key influential parameters such as initial pH, contact time and initial Cu(II) concentration. Further studies suggest that the sorption of Cu(II) onto both COP and DOP fits well with the pseudo-second-order equation, and the corresponding sorption isotherm can be classified to a Langmuir isotherm model. COP appears more advantageous over DOP and far better than that of unmodified OP in removal of Cu(II) from aqueous system. The maximum capacities of COP and DOP for adsorbing Cu(II) are 95.23 and 83.68 mg/g, respectively, about three times higher than that of unmodified OP. The sorption efficiency of COP drops by merely about 3% after five cycles, implying a promising usage in the removal of Cu(II) from wastewater in practice.
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内容类型: 期刊论文
URI标识: http://ir.xjipc.cas.cn/handle/365002/2546
Appears in Collections:环境科学与技术研究室_期刊论文

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作者单位: Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Lab Ecomat & Sustainable Technol LEMST, Urumqi 830011, Xinjiang, Peoples R China;Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

Recommended Citation:
Mingdeng Liu, Qunhui Yuan, Hanzhong Jia, Shouzhu Li, Xiaohuan Wang and Chuanyi Wang. Cysteine-modified orange peel for removal of Cu(II) from aqueous solutions[J]. WATER SCIENCE AND TECHNOLOGY,2013,67(11):2444-2450.
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