1. Chemicals and Energy Division, Industrial Technology Development Institute (ITDI), Department of Science and Technology (DOST), Taguig 1631, Philippines
2. Department of Chemical Engineering, De La Salle University, 2401 Taft Avenue, Manila 1004, Philippines
3. Center for Engineering and Sustainable Development Research, De La Salle University, 2401 Taft Avenue, Manila 1004, Philippines