Preparation of KI/Hydroxyapatite Catalyst from Phosphate Rocks and Its Application for Improvement of Biodiesel Production

by Widayat Widayat, Hadiyanto Hadiyanto, Permadi Wisnu Aji Wardani, Ummi Az Zuhra, Jedy Prameswari
Published 2020-05-01

Effect of Temperature and Concentration of Zeolite Catalysts from Geothermal Solid Waste in Biodiesel Production from Used Cooking Oil by Esterification–Transesterification Process...

by Luqman Buchori, W. Widayat, Oki Muraza, Muhamad Iqbal Amali, Rahma Wulan Maulida, Jedy Prameswari
Published 2020-12-01