1. Department of Energy and Mineral Engineering and EMS Energy Institute, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
2. Centre for Environmental Health and Engineering, School of Sustainability, Civil and Environmental Engineering, University of Surrey, Surrey GU2 7XH, United Kingdom
3. Research Group of Sustainable Energy, Air and Water Technology, Department of Bioscience Engineering, University of Antwerp, Groenenborgerlaan 171, Antwerp 2020, Belgium