THE POTENTIALS OF ADANSONIA DIGITATA ROOT AND STEM POWDERS AND STEM ACTIVATED CARBON AS LOW-COST ADSORBENTS FOR THE REMOVAL OF HEAVY METALS FROM AQUEOUS SOLUTIONS
ABSTRACT The potentials of Adansonia digitata root (ADRP) and stem powders (ADSP) and the stem activated carbon (ADSAC) for adsorption of Pb2+, Cd2+, Cu2+ and Co2+ from aqueous solutions were investigated. The activated carbon was prepared via chemical activation using ZnCl2 as the activating agent. Physico-chemical analysis of the adsorbents (ADRP, ADSP and ADSAC) showed the moisture contents (< 20 %), volatile matter (9.2 - 11.2 %), ash content showed ...
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