1. Ugelstad Laboratory, Department of Chemical Engineering, Norwegian University of Science and Technology (NTNU), Sem Saelandsvei 4, No-7491 Trondheim, Norway
2. Institute for Energy Technology, Process and Fluid Flow Technology, Instituttveien 18, No-2027 Kjeller, Norway
3. Nalco Champion, Langestraat 169, 7491 AE Delden, The Netherlands