1. Department of Process Engineering,
Faculty of Mechanical Engineering, University of Belgrade, Kraljice Marije 16, 11000 Belgrade, Serbia
2. Norwegian University of Science and Technology, Department of Energy and
Process Engineering, Kolbjørn Hejes vei 1A, 7491 Trondheim, Norway
3. Institute of Materials and Environmental
Chemistry, Research Centre for Natural Sciences, Hungarian Academy of Sciences, PO Box 17, Budapest, Hungary 1525
4. SINTEF Energy Research, Sem Saelands vei 11, 7465 Trondheim, Norway