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A facile chemical route for recovery of high quality zinc oxide nanoparticles from spent alkaline batteries

Title
A facile chemical route for recovery of high quality zinc oxide nanoparticles from spent alkaline batteries
Author
Deep, Akash
Keywords
Spent batteries; Recycling; ZnO; Nanoparticles; Functional
Issue Date
2016-02
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Citation
WASTE MANAGEMENT, v. 51, Page. 190-195
Abstract
Recycling of spent domestic batteries has gained a great environmental significance. In the present research, we propose a new and simple technique for the recovery of high-purity zinc oxide nanoparticles from the electrode waste of spent alkaline Zn-MnO2 batteries. The electrode material was collected by the manual dismantling and mixed with 5 M HCl for reaction with a phosphine oxide reagent Cyanex 923 (R) at 250 degrees C for 30 min. The desired ZnO nanoparticles were restored from the Zn-Cyanex 923 complex through an ethanolic precipitation step. The recovered particle product with about 5 nm diameter exhibited fluorescent properties (emission peak at 400 nm) when excited by UV radiation (excitation energy of 300 nm). Thus, the proposed technique offered a simple and efficient route for recovering high purity ZnO nanoparticles from spent alkaline batteries. (C) 2016 Elsevier Ltd. All rights reserved.
URI
http://www.sciencedirect.com/science/article/pii/S0956053X16300344?via%3Dihubhttp://hdl.handle.net/20.500.11754/33977
ISSN
0956-053X
DOI
10.1016/j.wasman.2016.01.033
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > CIVIL AND ENVIRONMENTAL ENGINEERING(건설환경공학과) > Articles
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