Decomposition of Organic Compounds in Coke Plant Wastewater by Ultrasonic Irradiation and Its Combined Process

Chemical Research in Chinese Universities ›› 2004, Vol. 20 ›› Issue (4): 421-428.

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Decomposition of Organic Compounds in Coke Plant Wastewater by Ultrasonic Irradiation and Its Combined Process

XU Jin-Qiu¹, WANG Jing-wei¹, WANG Jing-wei²

1. School of Environmental Science and Engineering, Shanghai Jiaotong University, Shanghai 200240, P. R. China;
2. Department of Environmental Engineering, Shanghai Second Poly-technic University, Shanghai 201206, P. R. China

Received:2004-06-03 Online:2004-08-24 Published:2011-08-06
Supported by:
Supported by the National Natural Science Foundation of China.

Abstract

Abstract: The paper deals with the degradation of the organic compounds in the coke plant wastewater by the combined process of ultrasonic irradiation and activated sludge.The influence factors of the ultrasonic degradation effect such as air atmosphere, initial concentration, ultrasonic power density and the category and consumption of catalyst were investigated.A water quality model was used to explain the degradation of different kinds of organic compounds in the coke plant wastewater by ultrasonic irradiation.After the wastewater was treated by the combined process of ultrasonic irradiation and activated sludge, the COD degradation efficiency was 95.74 %, which is 63.49% higher than that by the process of activated sludge alone.

Key words: Coke plant wastewater, Organic compounds, Ultrasonic irradiation, Activated sludge, Degradation, Water quality model

XU Jin-Qiu, WANG Jing-wei, WANG Jing-wei. Decomposition of Organic Compounds in Coke Plant Wastewater by Ultrasonic Irradiation and Its Combined Process[J]. Chemical Research in Chinese Universities, 2004, 20(4): 421-428.

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Decomposition of Organic Compounds in Coke Plant Wastewater by Ultrasonic Irradiation and Its Combined Process

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