1. McGill University, Energy and Environmental Research Group, Department of Mining, Metals and Materials Engineering, 3610 University Street, Wong Building, Room 2290, Montreal, QC, Canada H3A 2B2, Department of Chemistry, McGill University, 801 Sherbrooke Street West, Montreal, QC, Canada H3A 2K6, and Tohoku University, Research Center of Supercritical Fluid Technology, Department of Chemical Engineering, Tohoku University, Aoba-ku Aramaki Aza Aoba-04, Sendai 980-8579, Japan