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Lee, Changha
Advanced Redox Technology (ART) Lab
Research Interests
  • Water Treatment, Advanced Oxidation/Reduction, Water Chemistry, Environmental Catalyst

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Decolorization of reactive dye using a photo-ferrioxalate system with brick grain-supported iron oxide

Cited 6 times inthomson ciCited 5 times inthomson ci
Title
Decolorization of reactive dye using a photo-ferrioxalate system with brick grain-supported iron oxide
Author
Cheng, Hui-PinHuang, Yao-HuiLee, Changha
Keywords
Decolorization; Fenton reactions; Ferrioxalate; Reactive Black 5; UV irradiation
Issue Date
201104
Publisher
ELSEVIER SCIENCE BV
Citation
JOURNAL OF HAZARDOUS MATERIALS, v.188, no.1-3, pp.357 - 362
Abstract
The photocatalytic activity of a brick grain-supported iron oxide (denoted as B1) was tested for its activity to degrade Reactive Black 5 (RB5) in the presence of oxalic acid. B1 was obtained as a solid waste from a wastewater treatment plant, and characterized using scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS), X-ray powder diffraction (XRD) and N(2) adsorption/desorption isotherm analyses. The decolorization experiments were performed in a fluidized bed reactor with aeration under UV-A irradiation (lambda = 365 nm). The effects of various factors such as solution pH, concentration of oxalic acid and dissolved oxygen on the decolorization of RB5 were evaluated considering the contributions of adsorption and photo-catalytic degradation. The role of dissolved iron in the removal of RB5 and the stability of B1 were also examined. In addition, the removal of TOC during the photo-catalytic reaction was monitored.
URI
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DOI
http://dx.doi.org/10.1016/j.jhazmat.2011.01.131
ISSN
0304-3894
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