1. Chemical
Engineering Department, University of Alicante, 03080 Alicante, Spain
2. Laboratory
for Exhaust Emission Control, University of Applied Sciences Biel (UASB), Gwerdtstrasse 5, CH-2560 Nidau, Switzerland
3. Technik Thermischer Maschinen (TTM), Fohrhölzlistrasse 14b, CH-5443 Niederrohrdorf, Switzerland