Composite catalysts for the catalytic processing of fuel oil Tatyana Shakiyeva, Larissa Sassykova, Anastassiya Khamlenko, Binara Dossumova, Albina Sassykova, Albina Muratova, Madina Zhumagali, Nurbubi Zhakirova and Tleutai Abildin MATEC Web Conf., 340 (2021) 01017 Published online: 08 July 2021 DOI: 10.1051/matecconf/202134001017