1. Environment Department; College of Architecture and Environment, Sichuan University; Chengdu 610065 People's Republic of China
2. Chengdu Green Energy and Green Manufacturing Technology R&D Center, China Academy of Engineering Physics; Chengdu 620107 People's Republic of China
3. National Engineering Research Center for Flue Gas Desulfurization, Sichuan University; Chengdu 610065 People's Republic of China