Characterization and efficient dye discoloration of Algerian diatomite from Ouled Djilali-MostaganemAmal Touina، Safia Chernai، Bouhameur Mansour، Hafida Hadjar، Abdelkader Ouakouak، Boualem HamdiSN Applied Sciencesالمجلّد 3، (4)2021مقال وصول مفتوح 18