1. Laboratory of Sorption Methods, Vernadsky Institute of Geochemistry and Analytical Chemistry, The Russian Academy of Sciences, 119991 Moscow, Russia
2. Laboratory of Chemical Thermodynamics, Department of Physical Chemistry, Faculty of Chemistry, Lomonosov Moscow State University, Leninskie Gory, 1, 119991 Moscow, Russia
3. Key Laboratory of Coal Processing and Efficient Utilization, Ministry of Education, School of Chemical Engineering and Technology, China University of Mining and Technology, Xuzhou 221116, China