TY - JOUR T1 - Synthesis of Chemical Adsorbent for Purification of Heavy Oil Residue AU - Galymzhan Maldybayev,Roza Shayakhmetova,Saule Nurzhanova,Rustam Sharipov,El-Sayed Negim,Aliya Alimzhanova,Anar Mukhametzhanova,Petr Osipov,Anwar Usman JO - International Journal of Technology VL - 15 IS - 3 SP - 291 EP - 319 PY - 2024 DA - 2024/05/17 SN - 2087-2100 DO - https://doi.org/10.14716/ijtech.v15i3.6507 UR - https://ijtech.eng.ui.ac.id/article/view/6507