Mesoporous silica nanocatalyst used in the preparation of the retention substance bentonite-sorbents sorption of isotherms researchNormurot Fayzullayev, Jamshed Kurbonov, Nargiza Yusupova, K.A. Akmalaev, Raxima Kurbanova and Jaxongir KurbonovE3S Web Conf., 383 (2023) 04011DOI: https://doi.org/10.1051/e3sconf/202338304011