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Chemcial Industry and Engineering 2019, Vol. 36 Issue (2) :1-14    DOI: 10.13353/j.issn.1004.9533.20183005
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Principle, Technical Characteristics of Gas Dissolution Process and its Application in Water Treatment Engineering
Li Zemin, Kong Qiaoping, Wei Chaohai
School of Environment and Energy, South China University of Technology, Guangzhou 510006, China

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Abstract Different technical principles of gas-liquid mixing, reaction and separation were existed in the fields of chemical, energy and environmental protection, involving multiphase mixed mass transfer and engineering/industrial production of reactors. Among them, the principles and technical characteristics of gas dissolution process play an important supporting role in the application technology. Based on comprehensive literature and technical reports, this paper discussed dissolved air flotation technology from characteristics of bubble and flocs. Biological aerobic technology was analyzed from the aspects of mass transfer process, reaction process and energy consumption evaluation. Ozone catalytic oxidation technology of biological tail water was studied from ozone generation and properties, mass transfer and catalysis. On the basis of reviewing the principle and analyzing the technical characteristics, this paper summarized and discussed the development and potential of wastewater treatment technology/engineering practice based on gas dissolution principle.
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Li Zemin
Kong Qiaoping
Wei Chaohai
Keywordsprinciple of gas dissolution process;   technical characteristics;   water treatment;   air flotation separation;   biological aerobic;   ozone oxidation     
Received 2018-12-20;
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Li Zemin, Kong Qiaoping, Wei Chaohai.Principle, Technical Characteristics of Gas Dissolution Process and its Application in Water Treatment Engineering[J]  Chemcial Industry and Engineering, 2019,V36(2): 1-14
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