1. Fibre and Particle Engineering Research Unit, University of Oulu, Pentti Kaiteran katu 1, 90570 Oulu, Finland
2. Development Center of Real Time Chemical Processes and Analyses (NQTR), Institute of Chemistry, Federal University of Rio de Janeiro, Rua Hélio de Almeida, 40, Cidade Universitária da Universidade federal do Rio de Janeiro, 21941-614, Rio de Janeiro-RJ, Brazil
3. Process and Systems Engineering Laboratory, Åbo Akademi University, Henrikinkatu 2, 20500 Turku, Finland