publication Journal Article 2021 Upcycling olive oil cake through wet torrefaction to produce hydrochar for water decontamination, Volume Number 170 Magazine \ Newspaper Chemical Engineering Research and Design Pages 13–22 more of publication Adsorption of Methylene Blue by biosorption on alkali-treated Solanum incanum: isotherms, equilibrium, and mechanism by Hamza S. AL-Shehri †, Hamdah S. Alanazi †, Areej Mohammed Shaykhayn, Lina Saad ALharbi, Wedyan Saud Alnafaei, Ali Q. Alorabi, Ali S. Alkorbi, Fahad A. Alharthi 2022 Structural, Morphological and Optical Behavior of Green Synthesized NiO Nanoparticle for Methylene Blue Photo-Degradation by Hamdah S. Alanazi, Hanan Alotaibi, Hamza S. Al-Shehri, and Fahad A. Alharthi 2021 Green Synthesis of NiO Nanoparticle Using Ziziphus Spina-Christi Leaves Extract for Photocatalytic Methylene Blue Dye Degradation by Hamdah S. Alanazi, Hanan Alotaibi, Hamza S. Al-Shehri, and Fahad A. Alharthi