1. Jimma Institute of Technology, Jimma University, Jimma P.O. Box 378, Ethiopia
2. Materials & Process Engineering (iMMC-IMAP), UCLouvain, Place Sainte Barbe 2, 1348 Louvain-la-Neuve, Belgium
3. Research & Innovation Centre for Process Engineering (ReCIPE), Place Sainte Barbe 2, bte L5.02.02, 1348 Louvain-la-Neuve, Belgium