Mn-Fe-Ce/GAC CATALYZED OZONE OXIDATION TECHNOLOGY FOR ANILINE WASTEWATER

YAO Haiqian; GUO Xinchao; FU Fengman; YANG Hao; GUO Xiang; ZHANG Fanghong

doi:10.13205/j.hjgc.202405004

Volume 42 Issue 5

May 2024

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2024 > 42(5): 28-34

YAO Haiqian, GUO Xinchao, FU Fengman, YANG Hao, GUO Xiang, ZHANG Fanghong. Mn-Fe-Ce/GAC CATALYZED OZONE OXIDATION TECHNOLOGY FOR ANILINE WASTEWATER[J]. ENVIRONMENTAL ENGINEERING , 2024, 42(5): 28-34. doi: 10.13205/j.hjgc.202405004

Citation:

YAO Haiqian, GUO Xinchao, FU Fengman, YANG Hao, GUO Xiang, ZHANG Fanghong. Mn-Fe-Ce/GAC CATALYZED OZONE OXIDATION TECHNOLOGY FOR ANILINE WASTEWATER[J]. ENVIRONMENTAL ENGINEERING , 2024, 42(5): 28-34. doi: 10.13205/j.hjgc.202405004

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Mn-Fe-Ce/GAC CATALYZED OZONE OXIDATION TECHNOLOGY FOR ANILINE WASTEWATER

doi: 10.13205/j.hjgc.202405004

1. Shaanxi Key Laboratory of Environmental Engineering, Key Laboratory of Northwest Water Resource, Environment and Ecology, MOE, Environmental and Municipal Engineering Department, Xi'an University of Architecture and Technology, Xi'an 710055, China;
2. Qinghai Provincial People's Air Defence Engineering Design and Research Institute Co., Ltd., Xining 810001, China

Received Date: 2023-03-26
Available Online: 2024-07-11

Abstract

Abstract

The Mn-Fe-Ce/GAC catalyst was prepared by impregnation calcination using activated carbon particles as the carrier and loaded with Mn-Fe-Ce polymetallic oxides, and its properties were characterized by SEM, XRD, XPS, and BET, and the results showed that the metal was well dispersed and uniformly loaded on the catalyst surface. The effects of catalyst dosage, initial pH and initial aniline concentration of wastewater on the catalytic ozone oxidation degradation of DOC and TN were investigated, and the reuse and stability of the catalyst were also investigated. The main conclusions were as follows: under the conditions of ozone dosage of 1.9 mg/(L·min), initial pH of wastewater of 6.3 and influent aniline concentration of 19.89 mg/L, the DOC and TN removal rates reached 88.88% and 86.73%, respectively, after 150 min of reaction, and the catalyst was proved to have good treatment effect. After the catalyst was reused five times, the DOC and TN removal rates were maintained more than 75% and 70% respectively, and the performance of the catalyst was stable after reuse.
- Mn-Fe-Ce-/GAC,
- catalytic ozone oxidation,
- non-homogeneous catalyst,
- aniline wastewater,
- DOC

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References(26)

References

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