Iron activated sodium bisulfite enhances generation of Mn (III) species through the MnO2/bisulfite catalytic process

Zaiyao Hou; Jianfeng Ma; Changhai Fan; Mingguo Peng; Sridhar Komarneni

doi:10.1016/j.ceramint.2018.09.262

Iron activated sodium bisulfite enhances generation of Mn (III) species through the MnO₂/bisulfite catalytic process

Zaiyao Hou, Jianfeng Ma, Changhai Fan, Mingguo Peng, Sridhar Komarneni

Research output: Contribution to journal › Article › peer-review

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Abstract

A series of compound oxides of Fe-MnX (Fe-Mn1, Fe-Mn2, Fe-Mn3, Fe-Mn4) were synthesized and tested in the activation of bisulfite for methylene blue (MB) degradation in aqueous solution under dark condition. X-ray diffraction (XRD), scanning electron microscopy (SEM) and BET surface area were used to characterize the Fe-MnX oxides. Fe-Mn2 could remove about 92% of MB from solution in 70 min, which was much more than the amounts removed by either Fe₂O₃ or MnO₂. Mechanism analysis of synergistic effects was validated by simple detection of ionic species such as, Fe (III), Fe (II) and Mn (III) and controlling different variables. After thermal treatment, the current catalysts could be regenerated and recycled for at least three times.

Original language	English (US)
Pages (from-to)	892-898
Number of pages	7
Journal	Ceramics International
Volume	45
Issue number	1
DOIs	https://doi.org/10.1016/j.ceramint.2018.09.262
State	Published - Jan 2019

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Process Chemistry and Technology
Surfaces, Coatings and Films
Materials Chemistry

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10.1016/j.ceramint.2018.09.262

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title = "Iron activated sodium bisulfite enhances generation of Mn (III) species through the MnO2/bisulfite catalytic process",

abstract = "A series of compound oxides of Fe-MnX (Fe-Mn1, Fe-Mn2, Fe-Mn3, Fe-Mn4) were synthesized and tested in the activation of bisulfite for methylene blue (MB) degradation in aqueous solution under dark condition. X-ray diffraction (XRD), scanning electron microscopy (SEM) and BET surface area were used to characterize the Fe-MnX oxides. Fe-Mn2 could remove about 92% of MB from solution in 70 min, which was much more than the amounts removed by either Fe2O3 or MnO2. Mechanism analysis of synergistic effects was validated by simple detection of ionic species such as, Fe (III), Fe (II) and Mn (III) and controlling different variables. After thermal treatment, the current catalysts could be regenerated and recycled for at least three times.",

author = "Zaiyao Hou and Jianfeng Ma and Changhai Fan and Mingguo Peng and Sridhar Komarneni",

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T1 - Iron activated sodium bisulfite enhances generation of Mn (III) species through the MnO2/bisulfite catalytic process

AU - Hou, Zaiyao

AU - Ma, Jianfeng

AU - Fan, Changhai

AU - Peng, Mingguo

AU - Komarneni, Sridhar

PY - 2019/1

Y1 - 2019/1

N2 - A series of compound oxides of Fe-MnX (Fe-Mn1, Fe-Mn2, Fe-Mn3, Fe-Mn4) were synthesized and tested in the activation of bisulfite for methylene blue (MB) degradation in aqueous solution under dark condition. X-ray diffraction (XRD), scanning electron microscopy (SEM) and BET surface area were used to characterize the Fe-MnX oxides. Fe-Mn2 could remove about 92% of MB from solution in 70 min, which was much more than the amounts removed by either Fe2O3 or MnO2. Mechanism analysis of synergistic effects was validated by simple detection of ionic species such as, Fe (III), Fe (II) and Mn (III) and controlling different variables. After thermal treatment, the current catalysts could be regenerated and recycled for at least three times.

AB - A series of compound oxides of Fe-MnX (Fe-Mn1, Fe-Mn2, Fe-Mn3, Fe-Mn4) were synthesized and tested in the activation of bisulfite for methylene blue (MB) degradation in aqueous solution under dark condition. X-ray diffraction (XRD), scanning electron microscopy (SEM) and BET surface area were used to characterize the Fe-MnX oxides. Fe-Mn2 could remove about 92% of MB from solution in 70 min, which was much more than the amounts removed by either Fe2O3 or MnO2. Mechanism analysis of synergistic effects was validated by simple detection of ionic species such as, Fe (III), Fe (II) and Mn (III) and controlling different variables. After thermal treatment, the current catalysts could be regenerated and recycled for at least three times.

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JO - Ceramics International

JF - Ceramics International

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Iron activated sodium bisulfite enhances generation of Mn (III) species through the MnO₂/bisulfite catalytic process

Abstract

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