Catalytic ozonation with activated carbon for degradation of methylene blue in wastewater

LIU Zhan-meng; TANG Chao-chun; LI Jing; BAO Dong-jie

Volume 26 Issue 3

Jun. 2009

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Article Navigation > Journal of Zhejiang A&F University > 2009 > 26(3): 406-410

LIU Zhan-meng, TANG Chao-chun, LI Jing, BAO Dong-jie. Catalytic ozonation with activated carbon for degradation of methylene blue in wastewater[J]. Journal of Zhejiang A&F University, 2009, 26(3): 406-410.

Citation:

LIU Zhan-meng, TANG Chao-chun, LI Jing, BAO Dong-jie. Catalytic ozonation with activated carbon for degradation of methylene blue in wastewater[J]. Journal of Zhejiang A&F University, 2009, 26(3): 406-410.

Catalytic ozonation with activated carbon for degradation of methylene blue in wastewater

1.
School of Civil Engineering and Architecture，East China Jiaotong University，Nanchang 330013，Jiangxi， China;
2.
Department of Building Engineering，Xingtai Vocational and Technical College，Xingtai 054035，Hebei，China

More Information

Corresponding author: LIU Zhan-meng
Publish Date: 2009-06-20

Abstract

The effect of ozoniferous air flux，pH，as well as initial concentration and quantity of activated carbon for degradation of a simulated dye wastewater of methylene blue was studied. Experimental results indicated that methylene blue wastewater was effectively decomposed using a low initial concentration of methylene blue and a high pH. For 90 min at an initial concentration of 100 mg·L－1 of methylene and pH of 9.5 with 9 g·L－1 of activated carbon，the removal rate for color was 95.6% and for the chemical oxygen demand （COD） was 64.8%. Activated carbon not only accelerated the generation of ·OH radicals，but also enhanced their reaction with methylene blue so that in the process of catalytic ozonation with activated carbon，indirect oxidation dominated. Compared with a single ozonation，the removal rate of COD was heightened.［Ch，7 fig. 13 ref.］
- environmental protection,
- catalytic ozonation,
- activated carbon,
- methylene blue,
- organic wastewater

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Catalytic ozonation with activated carbon for degradation of methylene blue in wastewater

1. School of Civil Engineering and Architecture，East China Jiaotong University，Nanchang 330013，Jiangxi， China;

2. Department of Building Engineering，Xingtai Vocational and Technical College，Xingtai 054035，Hebei，China

Corresponding author: LIU Zhan-meng

Publish Date: 2009-06-20

Key words:

Abstract: The effect of ozoniferous air flux，pH，as well as initial concentration and quantity of activated carbon for degradation of a simulated dye wastewater of methylene blue was studied. Experimental results indicated that methylene blue wastewater was effectively decomposed using a low initial concentration of methylene blue and a high pH. For 90 min at an initial concentration of 100 mg·L－1 of methylene and pH of 9.5 with 9 g·L－1 of activated carbon，the removal rate for color was 95.6% and for the chemical oxygen demand （COD） was 64.8%. Activated carbon not only accelerated the generation of ·OH radicals，but also enhanced their reaction with methylene blue so that in the process of catalytic ozonation with activated carbon，indirect oxidation dominated. Compared with a single ozonation，the removal rate of COD was heightened.［Ch，7 fig. 13 ref.］

Catalytic ozonation with activated carbon for degradation of methylene blue in wastewater

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

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