Enrichment of mineral raw materials: Selection of local clay minerals for the purpose of obtaining adsorbents for purification of petroleum productsSadokat Mamadalieva, Gulomkodir Mirzakulov, Erkin Kakharov, Usmonali Sodikov, Umida Kurbanova and Sodir MakhmudovE3S Web of Conf., 525 (2024) 01009DOI: https://doi.org/10.1051/e3sconf/202452501009