1. Faculty of Engineering, Hokkaido University, Kita 13 Nishi 8, Kita-ku, Sapporo 060-8628, Japan
2. Graduate School of Engineering, Hokkaido University, Kita 13 Nishi 8, Kita-ku, Sapporo 060-8628, Japan
3. Department of Chemical Engineering, Universitas Gadjah Mada, Jl. Grafika no 2, Yogyakarta 55281, Indonesia