Photodegradation of dicamba, an ionizable herbicide, using TiO2 supported on HZSM-11 zeolite was investigated. Four photocatalysts with different weight percentages (wt%) of TiO2 were evaluated: 3%, 10%, 30% and 50%. The effects of the catalyst concentration, the initial pH value and the repeatability of the photocatalytic activity after multiple cycles of reuse were also evaluated. Results showed complete degradation of dicamba within 120 min with the TiO2/HZSM-11 (30 wt%) catalyst. Also, this catalyst is stable (no detectable leaching was observed), can be easily removed from treated solutions and it is reusable for at least nine consecutive cycles. An XRD analysis indicated that the TiO2/HZSM-11(30%) catalyst remained unchanged until the ninth cycle, when it was compared with a new catalyst. The results indicated that the addition of H2O2 to the solution did not affect the catalyst structure. These are important advantages over unsupported TiO2, making it a good photocatalyst for the treatment of water courses polluted with dicamba.
机构:
Univ Tecnol Nacl, Fac Cordoba, Grp Zeolitas, CITeQ Ctr Invest & Tecnol Quim, Cordoba, ArgentinaUniv Tecnol Nacl, Fac Cordoba, Grp Zeolitas, CITeQ Ctr Invest & Tecnol Quim, Cordoba, Argentina
Gomez, Silvina
Leal Marchena, Candelaria
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Univ Tecnol Nacl, Fac Cordoba, Grp Zeolitas, CITeQ Ctr Invest & Tecnol Quim, Cordoba, ArgentinaUniv Tecnol Nacl, Fac Cordoba, Grp Zeolitas, CITeQ Ctr Invest & Tecnol Quim, Cordoba, Argentina
Leal Marchena, Candelaria
Pizzio, Luis
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UNLP CCT La Plata, Fac Ciencias Exactas, Ctr Invest & Desarrollo Ciencias Aplicadas Dr JJ, Dept Quim, RA-1900 La Plata, Buenos Aires, ArgentinaUniv Tecnol Nacl, Fac Cordoba, Grp Zeolitas, CITeQ Ctr Invest & Tecnol Quim, Cordoba, Argentina
Pizzio, Luis
Pierella, Liliana
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Univ Tecnol Nacl, Fac Cordoba, Grp Zeolitas, CITeQ Ctr Invest & Tecnol Quim, Cordoba, ArgentinaUniv Tecnol Nacl, Fac Cordoba, Grp Zeolitas, CITeQ Ctr Invest & Tecnol Quim, Cordoba, Argentina
机构:
Univ Malaysia Sabah, Sonophotochem Res Grp, Ind Chem Program, Sch Sci & Technol, Kota Kinabalu 88999, Sabah, MalaysiaUniv Malaysia Sabah, Sonophotochem Res Grp, Ind Chem Program, Sch Sci & Technol, Kota Kinabalu 88999, Sabah, Malaysia
Joseph, Collin G.
Sharain-Liew, Yen Ling
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Univ Malaysia Sabah, Sonophotochem Res Grp, Ind Chem Program, Sch Sci & Technol, Kota Kinabalu 88999, Sabah, MalaysiaUniv Malaysia Sabah, Sonophotochem Res Grp, Ind Chem Program, Sch Sci & Technol, Kota Kinabalu 88999, Sabah, Malaysia
Sharain-Liew, Yen Ling
Bono, Awang
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Univ Malaysia Sabah, Sonophotochem Res Grp, Ind Chem Program, Sch Sci & Technol, Kota Kinabalu 88999, Sabah, MalaysiaUniv Malaysia Sabah, Sonophotochem Res Grp, Ind Chem Program, Sch Sci & Technol, Kota Kinabalu 88999, Sabah, Malaysia
Bono, Awang
Teng, Lim Yee
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Univ Malaysia Sabah, Sonophotochem Res Grp, Ind Chem Program, Sch Sci & Technol, Kota Kinabalu 88999, Sabah, MalaysiaUniv Malaysia Sabah, Sonophotochem Res Grp, Ind Chem Program, Sch Sci & Technol, Kota Kinabalu 88999, Sabah, Malaysia
机构:
State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences
University of Chinese Academy of SciencesState Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences
Huijuan Wei
Wenjie Xin
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State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of SciencesState Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences
Wenjie Xin
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Chao Song
Sujuan Xie
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机构:
State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of SciencesState Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences
Sujuan Xie
Zhenni Liu
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State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of SciencesState Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences
Zhenni Liu
Shenglin Liu
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State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of SciencesState Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences
Shenglin Liu
Longya Xu
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State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of SciencesState Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences
机构:
State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences
University of Chinese Academy ofState Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences
Hui Liu
Huijuan Wei
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State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences
University of Chinese Academy ofState Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences
Huijuan Wei
Wenjie Xin
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State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of SciencesState Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences
Wenjie Xin
Chao Song
论文数: 0引用数: 0
h-index: 0
机构:
State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences
University of Chinese Academy ofState Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences
Chao Song
Sujuan Xie
论文数: 0引用数: 0
h-index: 0
机构:
State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of SciencesState Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences
Sujuan Xie
Zhenni Liu
论文数: 0引用数: 0
h-index: 0
机构:
State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of SciencesState Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences
Zhenni Liu
Shenglin Liu
论文数: 0引用数: 0
h-index: 0
机构:
State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of SciencesState Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences
Shenglin Liu
Longya Xu
论文数: 0引用数: 0
h-index: 0
机构:
State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of SciencesState Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences
机构:
Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China
Univ Chinese Acad Sci, Beijing 100049, Peoples R ChinaChinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China
Liu, Hui
Wei, Huijuan
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China
Univ Chinese Acad Sci, Beijing 100049, Peoples R ChinaChinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China
Wei, Huijuan
Xin, Wenjie
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R ChinaChinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China
Xin, Wenjie
Song, Chao
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China
Univ Chinese Acad Sci, Beijing 100049, Peoples R ChinaChinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China
Song, Chao
Xie, Sujuan
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R ChinaChinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China
Xie, Sujuan
Liu, Zhenni
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R ChinaChinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China
Liu, Zhenni
Liu, Shenglin
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Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R ChinaChinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China
Liu, Shenglin
Xu, Longya
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R ChinaChinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China