Study on Photocatalytic Degradation of Unsym-Dimethylhydrazine Wastewater by Bi2O3 Thin Films

Jing Qi; Zelong Xu; Yi Wu; Ziwen Hou; Rimei Cong; Tianhu Guo

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Paper

Study on Photocatalytic Degradation of Unsym-Dimethylhydrazine Wastewater by Bi2O3 Thin Films

Topics: Photocatalysis, Thin Films

In The Second International Conference on Materials Chemistry and Environmental Protection MEEP - Volume 1, 38-41, 2018 , Sanya, China

Authors: Jing Qi ; Zelong Xu ; Yi Wu ; Ziwen Hou ; Rimei Cong and Tianhu Guo

Affiliation: China Jiuquan Satellite Launch Centre and Gansu Jiuquan 732750, China

Keyword(s): unsym-dimethylhydrazine (UDMH); Bi2O3; photocatalysis

Abstract: The Bi2O3 thin films were prepared by sol-gel method for photocatalytic degradation of unsym-dimethylhydrazine (UDMH) wastewater. The effects of initial concentration of UDMH, initial pH value of solution and H2O2 addition were investigated. Besides, the reaction kinetics and mechanism were studied. The results showed that when the initial concentration of UDMH was between 100 mg/L and 500mg/L, the concentration had little effect on the degradation efficiency; initial pH value of solution had noticeable impact on the degradation of UDMH and higher removal efficiency can be achieved in neutral or weakly alkaline condition; the addition of H2O2 can effectively improve the degradation. The kinetic study showed that the reaction kinetics were well fitted by the pseudo first-order rate model and Langmuir-Hinshelwood model.

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Paper citation in several formats:

Qi, J.; Xu, Z.; Wu, Y.; Hou, Z.; Cong, R. and Guo, T. (2019). Study on Photocatalytic Degradation of Unsym-Dimethylhydrazine Wastewater by Bi2O3 Thin Films. In The Second International Conference on Materials Chemistry and Environmental Protection - MEEP; ISBN 978-989-758-360-5, SciTePress, pages 38-41. DOI: 10.5220/0008185100380041

@conference{meep19,
author={Jing Qi. and Zelong Xu. and Yi Wu. and Ziwen Hou. and Rimei Cong. and Tianhu Guo.},
title={Study on Photocatalytic Degradation of Unsym-Dimethylhydrazine Wastewater by Bi2O3 Thin Films},
booktitle={The Second International Conference on Materials Chemistry and Environmental Protection - MEEP},
year={2019},
pages={38-41},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0008185100380041},
isbn={978-989-758-360-5},
}

TY - CONF

JO - The Second International Conference on Materials Chemistry and Environmental Protection - MEEP
TI - Study on Photocatalytic Degradation of Unsym-Dimethylhydrazine Wastewater by Bi2O3 Thin Films
SN - 978-989-758-360-5
AU - Qi, J.
AU - Xu, Z.
AU - Wu, Y.
AU - Hou, Z.
AU - Cong, R.
AU - Guo, T.
PY - 2019
SP - 38
EP - 41
DO - 10.5220/0008185100380041
PB - SciTePress