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Direct Research Journals
Direct Research Journal of Chemistry and Material Science:Vol.5 (1), pp. 1-11, March 2018
ISSN 2354-4163

Influence of adsorption factors on the removal of Cr (VI), Mn (II) and Cd (II) ions from solutions using modified Bombax buonopozense calyx
Article Number: DRJA36701419
DOI: https://doi.org/10.26765/DRJCMS.2018.1419

Original Research Article


*1Musah, M., 1Haruna, B., 1Hamidu, S. M., 1Musa, Y. and 2Lakan, I. I.


1Department of Chemistry, Niger State College of Education, Minna, Nigeria.

2Department of Chemistry, Ibrahim Badamasi Babangida University, Lapai, Nigeria.

*Corresponding Author E-mail: musahmonday@yahoo.com.


date Received: January 8, 2018     date Accepted: February 13, 2018     date Published: February 28, 2018

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.


Keywords: Activated carbon, adsorption, aqueous solutions, initial concentration, batch experiments

 

 

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