Microwave synthesis of magnetically separable ZnFe2O4-reduced graphene oxide for wastewater treatment
A magnetically separable ZnFe2O4-reduced graphene oxide (rGO) nano-composite was synthesised via a microwave method. Field emission scanning electron microscopy images of the nano-composite showed a uniform dispersion of nanoparticles on the rGO sheets. The performance of the nano-composite in waste...
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2014
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my.upm.eprints.345232016-09-19T03:17:40Z http://psasir.upm.edu.my/id/eprint/34523/ Microwave synthesis of magnetically separable ZnFe2O4-reduced graphene oxide for wastewater treatment Jumeri, F. A. Lim, Hong Ngee Ariffin, S. N. Huang, Nay Ming Teo, P. S. S. O., Fatin Chia, Chin Hua Harrison, Ian A magnetically separable ZnFe2O4-reduced graphene oxide (rGO) nano-composite was synthesised via a microwave method. Field emission scanning electron microscopy images of the nano-composite showed a uniform dispersion of nanoparticles on the rGO sheets. The performance of the nano-composite in wastewater treatment was assessed by observing the decomposition of methylene blue. The nano-composite showed excellent bifunctionality, i.e. adsorption and photocatalytic degradation of methylene blue, for up to five cycles of water treatment when illuminated with light from a halogen bulb. In contrast, water treatment with the nano-composite without illumination and the illuminated rGO, with no decoration of nanoparticles, diminished significantly after the first treatment. The reclamation of the ZnFe2O4-rGO nano-composite from treated water could be easily achieved by applying an external magnetic field. Elsevier 2014 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/34523/1/Microwave%20synthesis%20of%20magnetically%20separable%20ZnFe2O4-reduced%20graphene%20oxide%20for%20wastewater%20treatment.pdf Jumeri, F. A. and Lim, Hong Ngee and Ariffin, S. N. and Huang, Nay Ming and Teo, P. S. and S. O., Fatin and Chia, Chin Hua and Harrison, Ian (2014) Microwave synthesis of magnetically separable ZnFe2O4-reduced graphene oxide for wastewater treatment. Ceramics International, 40 (5). pp. 7057-7065. ISSN 0272-8842; ESSN: 1873-3956 http://www.sciencedirect.com/science/article/pii/S0272884213016404 10.1016/j.ceramint.2013.12.037 |
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A magnetically separable ZnFe2O4-reduced graphene oxide (rGO) nano-composite was synthesised via a microwave method. Field emission scanning electron microscopy images of the nano-composite showed a uniform dispersion of nanoparticles on the rGO sheets. The performance of the nano-composite in wastewater treatment was assessed by observing the decomposition of methylene blue. The nano-composite showed excellent bifunctionality, i.e. adsorption and photocatalytic degradation of methylene blue, for up to five cycles of water treatment when illuminated with light from a halogen bulb. In contrast, water treatment with the nano-composite without illumination and the illuminated rGO, with no decoration of nanoparticles, diminished significantly after the first treatment. The reclamation of the ZnFe2O4-rGO nano-composite from treated water could be easily achieved by applying an external magnetic field. |
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Jumeri, F. A. Lim, Hong Ngee Ariffin, S. N. Huang, Nay Ming Teo, P. S. S. O., Fatin Chia, Chin Hua Harrison, Ian |
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Jumeri, F. A. Lim, Hong Ngee Ariffin, S. N. Huang, Nay Ming Teo, P. S. S. O., Fatin Chia, Chin Hua Harrison, Ian Microwave synthesis of magnetically separable ZnFe2O4-reduced graphene oxide for wastewater treatment |
author_facet |
Jumeri, F. A. Lim, Hong Ngee Ariffin, S. N. Huang, Nay Ming Teo, P. S. S. O., Fatin Chia, Chin Hua Harrison, Ian |
author_sort |
Jumeri, F. A. |
title |
Microwave synthesis of magnetically separable ZnFe2O4-reduced graphene oxide for wastewater treatment |
title_short |
Microwave synthesis of magnetically separable ZnFe2O4-reduced graphene oxide for wastewater treatment |
title_full |
Microwave synthesis of magnetically separable ZnFe2O4-reduced graphene oxide for wastewater treatment |
title_fullStr |
Microwave synthesis of magnetically separable ZnFe2O4-reduced graphene oxide for wastewater treatment |
title_full_unstemmed |
Microwave synthesis of magnetically separable ZnFe2O4-reduced graphene oxide for wastewater treatment |
title_sort |
microwave synthesis of magnetically separable znfe2o4-reduced graphene oxide for wastewater treatment |
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Elsevier |
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2014 |
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http://psasir.upm.edu.my/id/eprint/34523/1/Microwave%20synthesis%20of%20magnetically%20separable%20ZnFe2O4-reduced%20graphene%20oxide%20for%20wastewater%20treatment.pdf http://psasir.upm.edu.my/id/eprint/34523/ http://www.sciencedirect.com/science/article/pii/S0272884213016404 |
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