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Cysteine-modified orange peel for removal of Cu(II) from aqueous solutions
Mingdeng Liu, Qunhui Yuan, Hanzhong Jia, Shouzhu Li, Xiaohuan Wang and Chuanyi Wang; Qunhui Yuan,Chuanyi Wang
2013
Source PublicationWATER SCIENCE AND TECHNOLOGY
Volume67Issue:11Pages:2444-2450
Abstract

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.

KeywordAdsorption Cu(Ii) Cysteine Diethylenetriamine Orange Peel
DOI10.2166/wst.2013.136
Indexed BySCI
WOS IDWOS:000320248500009
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/2546
Collection环境科学与技术研究室
Corresponding AuthorQunhui Yuan,Chuanyi Wang
AffiliationChinese 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
GB/T 7714
Mingdeng Liu, Qunhui Yuan, Hanzhong Jia, Shouzhu Li, Xiaohuan Wang and Chuanyi Wang,Qunhui Yuan,Chuanyi Wang. Cysteine-modified orange peel for removal of Cu(II) from aqueous solutions[J]. WATER SCIENCE AND TECHNOLOGY,2013,67(11):2444-2450.
APA Mingdeng Liu, Qunhui Yuan, Hanzhong Jia, Shouzhu Li, Xiaohuan Wang and Chuanyi Wang,&Qunhui Yuan,Chuanyi Wang.(2013).Cysteine-modified orange peel for removal of Cu(II) from aqueous solutions.WATER SCIENCE AND TECHNOLOGY,67(11),2444-2450.
MLA Mingdeng Liu, Qunhui Yuan, Hanzhong Jia, Shouzhu Li, Xiaohuan Wang and Chuanyi Wang,et al."Cysteine-modified orange peel for removal of Cu(II) from aqueous solutions".WATER SCIENCE AND TECHNOLOGY 67.11(2013):2444-2450.
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