| Review Article Published In: January, 2019 | |
| Desulphurisation of Petroleum Coke by Solvent Extraction | |
| Hassan Al-Haj Ibrahim* | |
| Review Article Published In: February, 2019 | |
| Biofuels | |
| Hassan Al-Haj Ibrahim* | |
| Opinion Published In: March, 2019 | |
| Breakthrough on Preparation for Biodiesel via Liquid Lipase | |
| Yunjun Yan* | |
| Research Article Published In: March, 2019 | |
| Importance of the Choice of Chemical Reagents for Selectivity in Improvement of Rheological Properties of Crude Oil | |
| Nurullayev VH1*, Usubaliyev BT2, Gehremanov FS3 and Gehremanova UF4 | |
| Short Commmunication Published In: March, 2019 | |
| Extraction of Nickel from Spent Catalyst of Primary Reformer | |
| Mohamed Ahmed Fouad Mohamed Gaber* | |