1. School of Environmental Science and Engineering, Tianjin University/Tianjin Key Lab of Biomass/Wastes Utilization, Tianjin 300072, P. R. China
2. Department of Chemical and Biomolecular Engineering, Rice University, Houston, Texas 77005, United States
3. School of Energy and Environment, Shenyang Institute of Aeronautical Engineering, Shenyang 110136, P. R. China
4. School of Mechanical Engineering, Tianjin University of Commerce, Tianjin 300134, P. R. China