[1] Mangosuthu Univ Technol, Dept Chem Engn, Umlazi, South Africa
[2] Kansas State Univ, Dept Biochem & Mol Biophys, Manhattan, KS 66506 USA
[3] PSG Coll Technol, Dept Biotechnol, Coimbatore, Tamil Nadu, India
[4] Cape Peninsula Univ Technol, Dept Chem Engn, Cape Town, South Africa
[5] Acadia Univ, Sch Engn, Wolfville, NS, Canada
[6] Obafemi Awolowo Univ, Dept Chem Engn, Ife, Nigeria