Guangdong University of Petrochemical Technology, North China Electric Power University - MOE Key Laboratory of Resources and Environmental Systems Optimization, North China Electric Power University - MOE Key Laboratory of Resources and Environmental Systems Optimization, Guangdong University of Petrochemical Technology, affiliation not provided to SSRN, North China Electric Power University, Guangdong University of Petrochemical Technology - Guangdong Provincial Key Laboratory of Petrochemical Pollution Process and Control, Guangdong University of Petrochemical Technology, Guangdong University of Petrochemical Technology and Guangdong University of Petrochemical Technology