An immobilized clay composite (BEN-PVAG) on a glass plate (GP) was fabricated using bentonite powder (BEN) and glutaraldehyde cross-linked polyvinyl alcohol (PVAG) as the adsorbent and adhesive, respectively. The immobilized bentonite composite (BEN-PVAG) was characterized using SEM, EDX, FTIR, and BET analysis. The adsorption capacity of BEN-PVAG was examined using methylene blue (MB) as the model pollutant. The results indicated that the adsorption of MB onto BEN-PVAG obeyed pseudo-second-order kinetics. In addition, the adsorption of MB by the immobilized BEN-PVAG was controlled by intra-particle diffusion. In contrast, the adsorption of MB by the suspended BEN-PVAG composite was dominated by film diffusion. The immobilized BEN-PVAG was then applied as the adsorbent sub-layer for the fabrication of P-25TiO(2)/BEN-PVAG/GP bilayer system where P-25TiO(2) was deposited as the top layer. The fabricated bilayer system exhibited synergistic photocatalytic-adsorptive removal of MB upon irradiation with a light source, while experiment in the dark yielded only adsorption process. The rate of the synergistic photocatalytic-adsorptive removal of MB by the P-25TiO(2)/BEN-PVAG/GP was 5.3 times faster than the suspended P-25TiO(2). The result implied the positive impact of the BEN-PVAG adsorbent sub-layer on the immobilized P-25TiO(2) photocatalyst. Most important, the immobilized P-25TiO(2)/BEN-PVAG/GP provided a convenient reuse of the catalyst over time where the treated water could be directly discharged without the need of filtration.
机构:
Univ Sains Malaysia, Sch Chem Engn, Nibong Tebal 14300, Pulau Pinang, MalaysiaUniv Sains Malaysia, Sch Chem Engn, Nibong Tebal 14300, Pulau Pinang, Malaysia
Ling, CM
Mohamed, AR
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Univ Sains Malaysia, Sch Chem Engn, Nibong Tebal 14300, Pulau Pinang, MalaysiaUniv Sains Malaysia, Sch Chem Engn, Nibong Tebal 14300, Pulau Pinang, Malaysia
Mohamed, AR
Bhatia, S
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Univ Sains Malaysia, Sch Chem Engn, Nibong Tebal 14300, Pulau Pinang, MalaysiaUniv Sains Malaysia, Sch Chem Engn, Nibong Tebal 14300, Pulau Pinang, Malaysia
机构:
Tianjin Univ, Sch Environm Sci & Engn, Tianjin 300072, Peoples R ChinaTianjin Univ, Sch Environm Sci & Engn, Tianjin 300072, Peoples R China
Wang, Wenjun
Lin, Fawei
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Tianjin Univ, Sch Environm Sci & Engn, Tianjin 300072, Peoples R ChinaTianjin Univ, Sch Environm Sci & Engn, Tianjin 300072, Peoples R China
Lin, Fawei
Yan, Beibei
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Tianjin Univ, Sch Environm Sci & Engn, Tianjin 300072, Peoples R ChinaTianjin Univ, Sch Environm Sci & Engn, Tianjin 300072, Peoples R China
Yan, Beibei
Cheng, Zhanjun
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Tianjin Univ, Sch Environm Sci & Engn, Tianjin 300072, Peoples R ChinaTianjin Univ, Sch Environm Sci & Engn, Tianjin 300072, Peoples R China
Cheng, Zhanjun
Chen, Guanyi
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Tibet Univ, Sch Sci, Lhasa 850012, Peoples R ChinaTianjin Univ, Sch Environm Sci & Engn, Tianjin 300072, Peoples R China
Chen, Guanyi
Kuang, Meng
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China Bldg Mat Acad, State Key Lab Green Bldg Mat, Beijing 100024, Peoples R ChinaTianjin Univ, Sch Environm Sci & Engn, Tianjin 300072, Peoples R China
Kuang, Meng
Yang, Chao
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Tianjin Univ, Sch Environm Sci & Engn, Tianjin 300072, Peoples R ChinaTianjin Univ, Sch Environm Sci & Engn, Tianjin 300072, Peoples R China
Yang, Chao
Hou, Lian
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Tianjin Univ, Sch Environm Sci & Engn, Tianjin 300072, Peoples R China
Xian High Tech Inst, Xian 710025, Peoples R ChinaTianjin Univ, Sch Environm Sci & Engn, Tianjin 300072, Peoples R China
机构:
Univ Teknol MARA, Fac Appl Sci, Shah Alam 40450, Selangor, Malaysia
Univ Teknol MARA Cawangan Perlis, Fac Appl Sci, Kampus Arau, Arau 02600, Perlis, MalaysiaUniv Teknol MARA, Fac Appl Sci, Shah Alam 40450, Selangor, Malaysia
Natar, N. S.
Ikhwan, S.
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Univ Teknol MARA, Fac Appl Sci, Shah Alam 40450, Selangor, Malaysia
Univ Teknol MARA Cawangan Perlis, Fac Appl Sci, Kampus Arau, Arau 02600, Perlis, MalaysiaUniv Teknol MARA, Fac Appl Sci, Shah Alam 40450, Selangor, Malaysia
Ikhwan, S.
Nazeri, N. S.
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Univ Teknol MARA, Fac Appl Sci, Shah Alam 40450, Selangor, Malaysia
Univ Teknol MARA Cawangan Perlis, Fac Appl Sci, Kampus Arau, Arau 02600, Perlis, MalaysiaUniv Teknol MARA, Fac Appl Sci, Shah Alam 40450, Selangor, Malaysia
Nazeri, N. S.
Hamzah, S. R.
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Univ Teknol MARA Cawangan Perlis, Fac Appl Sci, Kampus Arau, Arau 02600, Perlis, MalaysiaUniv Teknol MARA, Fac Appl Sci, Shah Alam 40450, Selangor, Malaysia
Hamzah, S. R.
Rosli, M. A.
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Univ Teknol MARA Cawangan Perlis, Fac Appl Sci, Kampus Arau, Arau 02600, Perlis, MalaysiaUniv Teknol MARA, Fac Appl Sci, Shah Alam 40450, Selangor, Malaysia
Rosli, M. A.
Ghani, N. I.
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Univ Teknol MARA Cawangan Perlis, Fac Appl Sci, Kampus Arau, Arau 02600, Perlis, MalaysiaUniv Teknol MARA, Fac Appl Sci, Shah Alam 40450, Selangor, Malaysia
Ghani, N. I.
Ishak, M. A. M.
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Univ Teknol MARA Cawangan Perlis, Fac Appl Sci, Kampus Arau, Arau 02600, Perlis, MalaysiaUniv Teknol MARA, Fac Appl Sci, Shah Alam 40450, Selangor, Malaysia
Ishak, M. A. M.
Razak, S.
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机构:
Univ Malaysia Perlis, Fac Chem Engn Technol, Arau 02600, Perlis, MalaysiaUniv Teknol MARA, Fac Appl Sci, Shah Alam 40450, Selangor, Malaysia
Razak, S.
Azami, M. S.
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Univ Teknol MARA Cawangan Perlis, Fac Appl Sci, Kampus Arau, Arau 02600, Perlis, MalaysiaUniv Teknol MARA, Fac Appl Sci, Shah Alam 40450, Selangor, Malaysia
Azami, M. S.
Nawawi, W. I.
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Univ Teknol MARA Cawangan Perlis, Fac Appl Sci, Kampus Arau, Arau 02600, Perlis, MalaysiaUniv Teknol MARA, Fac Appl Sci, Shah Alam 40450, Selangor, Malaysia
机构:
Guangdong Univ Technol, Sch Mat & Energy, Guangzhou 510006, Peoples R ChinaGuangdong Univ Technol, Sch Mat & Energy, Guangzhou 510006, Peoples R China
Zhang, Shiyang
Cai, Mingwei
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Guangdong Univ Technol, Sch Mat & Energy, Guangzhou 510006, Peoples R ChinaGuangdong Univ Technol, Sch Mat & Energy, Guangzhou 510006, Peoples R China
Cai, Mingwei
Wu, Jiahao
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Guangdong Univ Technol, Sch Mat & Energy, Guangzhou 510006, Peoples R ChinaGuangdong Univ Technol, Sch Mat & Energy, Guangzhou 510006, Peoples R China
Wu, Jiahao
Wang, Zhi
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Guangdong Univ Technol, Sch Mat & Energy, Guangzhou 510006, Peoples R ChinaGuangdong Univ Technol, Sch Mat & Energy, Guangzhou 510006, Peoples R China
Wang, Zhi
Lu, Xiaochuang
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Guangdong Univ Technol, Sch Mat & Energy, Guangzhou 510006, Peoples R ChinaGuangdong Univ Technol, Sch Mat & Energy, Guangzhou 510006, Peoples R China
Lu, Xiaochuang
Li, Kaixin
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Guangdong Univ Technol, Sch Mat & Energy, Guangzhou 510006, Peoples R ChinaGuangdong Univ Technol, Sch Mat & Energy, Guangzhou 510006, Peoples R China
Li, Kaixin
Lee, Jng Min
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机构:
Nanyang Technol Univ, Sch Chem & Biomed Engn, Singapore 637459, SingaporeGuangdong Univ Technol, Sch Mat & Energy, Guangzhou 510006, Peoples R China
Lee, Jng Min
Min, Yonggang
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Guangdong Univ Technol, Sch Mat & Energy, Guangzhou 510006, Peoples R ChinaGuangdong Univ Technol, Sch Mat & Energy, Guangzhou 510006, Peoples R China