REMOVAL OF COPPER (II) AND CADMIUM (II) IONS FROM AQUEOUS SOLUTIONS USING BANANA PEELS AND BENTONITE CLAY AS ADSORBENTS. J. eng. sustain. dev. 2015;19(4):49-68. Accessed May 19, 2024. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/738