Effect of cold plasma pre-treatment on photocatalytic activity of 3D fabric loaded with nano-photocatalysts: response surface methodology

Ghoreishian, Seyed Majid, Badii, Khashayar, Norouzi, Mohammad and Malek, Kaveh 2016, Effect of cold plasma pre-treatment on photocatalytic activity of 3D fabric loaded with nano-photocatalysts: response surface methodology, Applied surface science, vol. 365, pp. 252-262, doi: 10.1016/j.apsusc.2015.12.155.

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Title Effect of cold plasma pre-treatment on photocatalytic activity of 3D fabric loaded with nano-photocatalysts: response surface methodology
Author(s) Ghoreishian, Seyed Majid
Badii, Khashayar
Norouzi, Mohammad
Malek, Kaveh
Journal name Applied surface science
Volume number 365
Start page 252
End page 262
Total pages 11
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2016-03-01
ISSN 0169-4332
Keyword(s) Science & Technology
Physical Sciences
Chemistry, Physical
Materials Science, Coatings & Films
Physics, Applied
Physics, Condensed Matter
Materials Science
Reactive dye
Spacer fabric
Cold plasma discharge
Response surface methodology
Summary In this study, the physico-chemical effects occasioned by the cold plasma discharge (CPD) on the photo-decolorization of Reactive Orange 16 (RO16) by 3D fabrics (spacer fabrics) loaded with ZnO:TiO2 nano-photocatalysts (nphs) were optimized via response surface methodology (RSM). CPD was employed to improve the surface characteristics of the spacer fabrics for nphs loading. Surface morphology and color variation were studied utilizing scanning electron microscopy (SEM) and CIE-Lab system, respectively. The effect of CPD on the wetting ability of the spacer fabrics was examined using dynamic adsorption measurement (DAM). Also, X-ray fluorescence (XRF) was utilized to investigate the durability of the nphs on the spacer fabrics. All the experiments were implemented in a Box-Behnken design (BBD) with three independent variables (CPD treatment time, dye concentration and irradiation time) in order to optimize the decolorization of RO16. The anticipated values of the decolorization efficiency were found to be in excellent agreement with the experimental values (R2 = 0.9996, Adjusted R2 = 0.9992). The kinetic analysis demonstrated that the photocatalytic decolorization followed the Langmuir-Hinshelwood kinetic model. In conclusion, this heterogeneous photocatalytic process is capable of decolorizing and mineralizing azoic reactive dye in textile wastewater. Moreover, the results confirmed that RSM based on the BBD was a suitable method to optimize the operating conditions of RO16 degradation.
Language eng
DOI 10.1016/j.apsusc.2015.12.155
Field of Research 090703 Environmental Technologies
090409 Wastewater Treatment Processes
090402 Catalytic Process Engineering
091202 Composite and Hybrid Materials
100701 Environmental Nanotechnology
100708 Nanomaterials
020299 Atomic, Molecular, Nuclear, Particle and Plasma Physics not elsewhere classified
091012 Textile Technology
Socio Economic Objective 860406 Synthetic Fibres
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2015, Elsevier B.V.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30084763

Document type: Journal Article
Collection: Institute for Frontier Materials
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