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Organic zeolite (CTAB-Z) was modified with cationic surfactant-cetyltrimethylammonium bromide (CTAB) in this study under the following conditions: CTAB concentration 1.0% (wt%), modification temperature 25°C, modification time two hours and used to remove SO42- from water and wastewater as adsorbent. Some factors which influence the removal ratio of SO42- from water sample such as mesh size of CTAB-Z,...
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