1. College of Architecture and Environment, Sichuan University, No. 24 South Section 1, Yihuan Road, Chengdu, Sichuan 610065, China
2. National Engineering Research Center for Flue Gas Desulfurization, Sichuan University, No. 24 South Section 1, Yihuan Road, Chengdu, Sichuan 610065, China
3. National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu, Sichuan 610065, China