ANALISIS POTENSI DAN STRATEGI PENGEMBANGAN OBJEK WISATA PULAU ASEY BESAR DANAU SENTANI KABUPATEN JAYAPURA

by Ilham Ilham, Ferry Yan Korwa, Usman Idris, M Zaenul Muttaqin
Published 2020-12-01

An Overview of Recent Research in the Conversion of Glycerol into Biofuels, Fuel Additives and other Bio-Based Chemicals

by Usman Idris Nda-Umar, Irmawati Ramli, Yun Hin Taufiq-Yap, Ernee Noryana Muhamad
Published 2018-12-01

Optimization and Characterization of Mesoporous Sulfonated Carbon Catalyst and Its Application in Modeling and Optimization of Acetin Production

by Usman Idris Nda-Umar, Irmawati Ramli, Ernee Noryana Muhamad, Norsahida Azri, Yun Hin Taufiq-Yap
Published 2020-11-01

Promotional effect of transition metals (Cu, Ni, Co, Fe, Zn)–supported on dolomite for hydrogenolysis of glycerol into 1,2-propanediol

by Norsahida Azri, Ramli Irmawati, Usman Idris Nda-Umar, Mohd Izham Saiman, Yun Hin Taufiq-Yap
Published 2021-04-01

Effect of different supports for copper as catalysts on glycerol hydrogenolysis to 1,2-propanediol

by Norsahida Azri, Ramli Irmawati, Usman Idris Nda-Umar, Mohd Izham Saiman, Yun Hin Taufiq-Yap
Published 2021-06-01

K₂O Doped Dolomite as Heterogeneous Catalyst for Fatty Acid Methyl Ester Production from Palm Oil

by Muhammad Yahaya, Irmawati Ramli, Ernee Noryana Muhamad, Nor Shafizah Ishak, Usman Idris Nda-Umar, Yun Hin Taufiq-Yap
Published 2020-07-01

Influence of Heterogeneous Catalysts and Reaction Parameters on the Acetylation of Glycerol to Acetin: A Review

by Usman Idris Nda-Umar, Irmawati Binti Ramli, Ernee Noryana Muhamad, Norsahida Azri, Uchenna Fidelis Amadi, Yun Hin Taufiq-Yap
Published 2020-10-01