Dr Tapio Salmi is currently professor in chemical reaction engineering at Åbo Akademi, Turku/Åbo Finland and research professor at Academy of Finland. He is author and co-author of four textbooks and around 600 journal articles. Dr Johan Wärnå is professor in in chemical reaction engineering at Åbo Akademi, Turku/Åbo Finland. He has been visiting professor at Umeå University and TU Dresden. He is author and co-author of around 150 peer-review journal articles. Dr José Rafael Hernández Carucci Has a Master’s degree in Chemical Engineering from Universidad Simón Bolívar, Venezuela and a doctoral degree in Chemical Reaction Engineering from Åbo Akademi, Finland. He is currently working at Neste in Finland. Dr César Augusto de Araújo Filho has a Master’s degree from Universidade Federal do Ceará, Fortaleza, Brazil and doctoral degree in chemical reaction engineering from Åbo Akademi. He is currently employed by Metso-Outotec.