Bisphenol A degradation by a new acidic nano zero-valent iron diatomite composite

Ma, Lingya, He, Hongping, Zhu, Runliang, Zhu, Jianxi, Mackinnon, Ian D.R., & Xi, Yunfei (2016) Bisphenol A degradation by a new acidic nano zero-valent iron diatomite composite. Catalysis Science & Technology, 6(15), pp. 6066-6075.

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Abstract

A new nano zero-valent iron (nZVI) material that generates acidic conditions in situ was prepared by grafting acid precursor onto diatomite. This new material was used in the evaluation of Bisphenol A (BPA) degradation by a Fenton-like process. The prepared material (M-nZVI-Da) exhibited a high removal efficiency (100%) of BPA under the natural pH conditions of the solution (pH ~ 5.75). The degradation of BPA using this new catalyst material follows a reaction pathway modelled on Fermi’s equation with predictable kinetic outcomes for increased temperature of reaction. Experiments demonstrate that the optimum starting concentration ratio of H2O2/sample is 200 mM/g-1 for efficient catalyst use. This study shows that nZVI materials with acid precursor are efficient catalysts for removal of BPA in solution.

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ID Code: 98380
Item Type: Journal Article
Refereed: Yes
Keywords: nano zero-valent iron, bisphenol A, diatomite, organic silane, Fenton
DOI: 10.1039/C6CY00594B
ISSN: 2044-4753
Subjects: Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > INORGANIC CHEMISTRY (030200)
Australian and New Zealand Standard Research Classification > ENVIRONMENTAL SCIENCES (050000)
Divisions: Current > Institutes > Institute for Future Environments
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Funding:
  • QUT/Vice Chancellor’s research grant
  • CAS-SAFEA/20140491534
  • CSC/
Facilities: Central Analytical Research Facility
Copyright Owner: Copyright 2016 Royal Society of Chemistry
Deposited On: 25 Aug 2016 03:35
Last Modified: 29 Aug 2016 16:12

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