Synthesis and Evaluation of Photocatalytic Properties of BiOBr for Wastewater Treatment Applications
Visible light-driven photocatalysis has shown considerable potential in the area of clean and renewable energy, as well as in wastewater treatment. This thesis describes the synthesis, characterization and applicability of a visible-light active photocatalyst, bismuth oxybromide (BiOBr). The photoca...
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Université d'Ottawa / University of Ottawa
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ndltd-uottawa.ca-oai-ruor.uottawa.ca-10393-303012018-01-05T19:01:47Z Synthesis and Evaluation of Photocatalytic Properties of BiOBr for Wastewater Treatment Applications Ahmad, Ayla Zisheng, Zhang Photocatalysis surface reaction visible light driven photocatalyst wastewater treatment disinfection advanced oxidation novel photocatalyst Visible light-driven photocatalysis has shown considerable potential in the area of clean and renewable energy, as well as in wastewater treatment. This thesis describes the synthesis, characterization and applicability of a visible-light active photocatalyst, bismuth oxybromide (BiOBr). The photocatalytic activity of BiOBr was investigated through its preparation via hydrothermal and solvothermal synthesis routes under various conditions. Hydrothermal catalyst was prepared using non template based method while for solvothermal synthesis CTAB was used as a template. Parameters of temperature and time of thermal treatment were optimized for each synthesis method and overall tests for catalyst dosage and recyclability were performed. An overall optimal route leading to high photocatalytic performance was also proposed based on the obtained results. Studies were also conducted to examine the applicability of optimally synthesized BiOBr in drinking water applications by studying catalyst-mediated disinfection of E. coli and degradation of phenol. Favourable results were obtained, confirming the prospective application of BiOBr as a viable photocatalyst for disinfection. Furthermore, the potential of enhancing BiOBr to further improve its performance is described through synthesis of a novel PdCl2/BiOBr based photocatalyst. Overall, the performance of BiOBr under various conditions in this study establishes its potential as a holistic photocatalyst and merits further development. 2013-12-05T19:08:42Z 2013-12-05T19:08:42Z 2013 2013 Thesis http://hdl.handle.net/10393/30301 http://dx.doi.org/10.20381/ruor-3435 en Université d'Ottawa / University of Ottawa |
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en |
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topic |
Photocatalysis surface reaction visible light driven photocatalyst wastewater treatment disinfection advanced oxidation novel photocatalyst |
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Photocatalysis surface reaction visible light driven photocatalyst wastewater treatment disinfection advanced oxidation novel photocatalyst Ahmad, Ayla Synthesis and Evaluation of Photocatalytic Properties of BiOBr for Wastewater Treatment Applications |
description |
Visible light-driven photocatalysis has shown considerable potential in the area of clean and renewable energy, as well as in wastewater treatment. This thesis describes the synthesis, characterization and applicability of a visible-light active photocatalyst, bismuth oxybromide (BiOBr). The photocatalytic activity of BiOBr was investigated through its preparation via hydrothermal and solvothermal synthesis routes under various conditions. Hydrothermal catalyst was prepared using non template based method while for solvothermal synthesis CTAB was used as a template. Parameters of temperature and time of thermal treatment were optimized for each synthesis method and overall tests for catalyst dosage and recyclability were performed. An overall optimal route leading to high photocatalytic performance was also proposed based on the obtained results. Studies were also conducted to examine the applicability of optimally synthesized BiOBr in drinking water applications by studying catalyst-mediated disinfection of E. coli and degradation of phenol. Favourable results were obtained, confirming the prospective application of BiOBr as a viable photocatalyst for disinfection. Furthermore, the potential of enhancing BiOBr to further improve its performance is described through synthesis of a novel PdCl2/BiOBr based photocatalyst. Overall, the performance of BiOBr under various conditions in this study establishes its potential as a holistic photocatalyst and merits further development. |
author2 |
Zisheng, Zhang |
author_facet |
Zisheng, Zhang Ahmad, Ayla |
author |
Ahmad, Ayla |
author_sort |
Ahmad, Ayla |
title |
Synthesis and Evaluation of Photocatalytic Properties of BiOBr for Wastewater Treatment Applications |
title_short |
Synthesis and Evaluation of Photocatalytic Properties of BiOBr for Wastewater Treatment Applications |
title_full |
Synthesis and Evaluation of Photocatalytic Properties of BiOBr for Wastewater Treatment Applications |
title_fullStr |
Synthesis and Evaluation of Photocatalytic Properties of BiOBr for Wastewater Treatment Applications |
title_full_unstemmed |
Synthesis and Evaluation of Photocatalytic Properties of BiOBr for Wastewater Treatment Applications |
title_sort |
synthesis and evaluation of photocatalytic properties of biobr for wastewater treatment applications |
publisher |
Université d'Ottawa / University of Ottawa |
publishDate |
2013 |
url |
http://hdl.handle.net/10393/30301 http://dx.doi.org/10.20381/ruor-3435 |
work_keys_str_mv |
AT ahmadayla synthesisandevaluationofphotocatalyticpropertiesofbiobrforwastewatertreatmentapplications |
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1718597929909878784 |