NDLI: Cysteine-modified orange peel for removal of Cu(II) from aqueous solutions.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Liu, Mingdeng Yuan, Qunhui Jia, Hanzhong Li, Shouzhu Wang, Xiaohuan Wang, Chuanyi
Description	Country affiliation: China Author Affiliation: Liu M ( Laboratory of Eco-Materials and Sustainable Technology LEMST, Xinjiang Technical Institute of Physics & Chemistry, Chinese Academy of Sciences, 40-1 South Beijing Road, Urumqi, Xinjiang 830011, China.)
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.
File Format	HTM / HTML
ISSN	02731223
Issue Number	11
Volume Number	67
e-ISSN	19969732
Journal	Water Science & Technology
Language	English
Publisher	IWA Publishing
Publisher Date	2013-01-01
Publisher Place	Great Britain (UK)
Access Restriction	Subscribed
Subject Keyword	Discipline Hydrology Citrus Sinensis Copper Chemistry Cysteine Waste Disposal, Fluid Methods Water Pollutants, Chemical Adsorption Fruit Hydrogen-ion Concentration Kinetics Polyamines Solutions Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Environmental Engineering Water Science and Technology

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