Valorization of natural diatomite mineral: Application to removal of anionic dye from aqueous solution in a batch and fixed-bed reactor - Hadri, Mohamed; El Mrabet, Imane; Chaouki, Zineb; Draoui, Khalid; Hamdaoui, Mustapha; Douhri, Hikmat; Zaitan, Hicham (Journal of Central South University: Science & Technology of Mining and Metallurgy, 2022)