1. Aerosol & Particle Technology Laboratory, Chemical Process & Energy Resources Institute, Centre for Research & Technology Hellas (APTL/CPERI/CERTH), 6th km Charilaou-Thermi, P.O. Box 60361, 57001 Thermi-Thessaloniki, Greece
2. Department
of Chemical Engineering, Aristotle University of Thessaloniki, P.O. Box 1517, 54006 Thessaloniki, Greece