Modeling of organic pollutant destruction in a stirred-tank reactor by ozonation

Destruction of organic contaminants in water by ozonation is a gas-liquid process which involves ozone mass transfer and fast irreversible chemical reactions. Ozonation reactor design and process optimizing require the modeling of the gas-liquid interactions within the reactor. In this paper a theoretical model combining the fluid dynamic and reaction kineticparameters is proposed for predicting the destruction rates of organic pollutants in a semi-batch stirred-tank reactor by ozonation. A simple expression for the enhancement factor as ourprevious work (Cheng, 2000) has been applied to evaluate the chemical mass transfer coefficient in ozone absorption.2,4-dichlorophenol (2,4-DCP) and 2,6-DCP or their mixture are chosen as the model compounds for simulating, and the predicted DCP oundation item: The National Natural Science Foundation of China (No. 20006006) ncentrations are compared with some measured data.

作 者： CHENG Jiang YANG Zhuo-ru CHEN Huan-qin Kuo C.H ZAPPI E.M   作者單位： CHENG Jiang,YANG Zhuo-ru,CHEN Huan-qin(College of Chemical Engineering, South China University of Technology,)

Kuo C.H,ZAPPI E.M(Swalm School of Chemical Engineering, Mississippi State University,) 

刊 名： 環境科學學報(英文版)  ISTIC SCI 英文刊名： JOURNAL OF ENVIRONMENT AL SCIENCES  年，卷(期)： 2001 13(4)  分類號： X12 X13  關鍵詞：  

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