Original Research Article
Influence of adsorption factors on the removal of Cr (VI), Mn (II) and Cd (II) ions from solutions using modified Bombax buonopozense calyx
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Article Number: DRJA36701419
DOI: https://doi.org/10.26765/DRJCMS.2018.1419
ISSN: 2354-4163
Vol.5 (1), pp. 1-11, March 2018
Copyright © 2018
Author(s) retain the copyright of this article
Abstract
The potential of chemically modified Bombax buonopozense calyx to adsorbed Cr6+, Mn6+ and Cd6+ ions from aqueous solutions are prime intent in batch experiments. In this study, activated carbon (AC) prepared from Bombax buonopozense Calyx by chemical modification using H2SO4 (ACH) and KOH (ACK) for adsorption process is reported. The variations in the percentage removal of Cr6+, Mn2+ and Cd2+ ions were established using the effects of time, adsorbent dosage, initial concentration and pH. The activated carbon modified H2SO4 (ACH) showed higher percentage removal of Cr6+, Mn2+ and Cd2+ ions than ACH at 120 min contact time, 0.8 g adsorbent dosage, 10 mg/dm3 initial concentration and pH between 4 and 6, while the corresponding trend order of adsorption were reported to be Cr6+ > Mn2+ > Cd2+ on the adsorbents.
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Received: January 8, 2018 Accepted: February 13, 2018 Published: February 28, 2018