1. PFI AS, Høgskoleringen 6b, NO-7491 Trondheim, Norway, Norwegian University of Science and Technology, Department of Chemical Engineering , Trondheim , Norway
2. Norwegian University of Science and Technology, Department of Chemical Engineering , Trondheim , Norway
3. PFI AS, Høgskoleringen 6b, Trondheim, Norway, Norwegian University of Science and Technology, Department of Chemical Engineering , Trondheim , Norway