Sri Mulyati, Suraiya, Bunga Hafidhah, Rifda Rahmatillah, Aulia Chintia Ambarita, Muhammad Az-Harry
Excessive levels of manganese in drinking water pose serious health risks and environmental concerns. This study investigates the efficacy of natural bentonite and zeolite, which are abundant in Aceh, Indonesia, as adsorbents for manganese removal. Adsorption experiments using activated bentonite and zeolite were conducted to study the effects of various parameters on adsorption efficiency. The results showed a removal efficiency of 98% at 60 min contact time and 1 g/L adsorbent dosage. The optimum adsorbent ratio of 1:1 gave an efficiency of 97.134%. The Langmuir and Freundlich models were used to evaluate the adsorption isotherms, with the Langmuir model showing a better fit and indicating monolayer adsorption. This study highlights the potential of natural bentonite and zeolite from Aceh as effective and economical adsorbents for manganese removal, providing a sustainable water treatment solution. © The Authors, published by EDP Sciences.
Department of Chemical Engineering, Syiah Kuala University, Banda Aceh, Aceh, Indonesia
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