TY - JOUR
T1 - Removal of chromium from water and wastewater by ion exchange resins
AU - Rengaraj, S.
AU - Yeon, Kyeong Ho
AU - Moon, Seung Hyeon
N1 - Funding Information:
This work was supported by a research grant from nuclear power plant of Korea Institute of Science and Technology Evaluational Planning (KISTEP). One of the authors (S.R.) gratefully acknowledge the Brain Korea 21 from Ministry of Education through Chemical and Environmental Engineering Program at K-JIST for awarding a Post Doctoral Research position.
PY - 2001/10/12
Y1 - 2001/10/12
N2 - Removal of chromium from water and wastewater is obligatory in order to avoid water pollution. Batch shaking adsorption experiments were carried out to evaluate the performance of IRN77 and SKN1 cation exchange resins in the removal of chromium from aqueous solutions. The percentage removal of chromium was examined by varying experimental conditions viz., dosage of adsorbent, pH of the solution and contact time. It was found that more than 95% removal was achieved under optimal conditions. The adsorption capacity (k) for chromium calculated from the Freundlich adsorption isotherm was found to be 35.38 and 46.34mg/g for IRN77 and SKN1 resins, respectively. The adsorption of chromium on these cation exchange resins follows the first-order reversible kinetics. The ion exchange resins investigated in this study showed reversible uptake of chromium and, thus, have good application potential for the removal/recovery of chromium from aqueous solutions.
AB - Removal of chromium from water and wastewater is obligatory in order to avoid water pollution. Batch shaking adsorption experiments were carried out to evaluate the performance of IRN77 and SKN1 cation exchange resins in the removal of chromium from aqueous solutions. The percentage removal of chromium was examined by varying experimental conditions viz., dosage of adsorbent, pH of the solution and contact time. It was found that more than 95% removal was achieved under optimal conditions. The adsorption capacity (k) for chromium calculated from the Freundlich adsorption isotherm was found to be 35.38 and 46.34mg/g for IRN77 and SKN1 resins, respectively. The adsorption of chromium on these cation exchange resins follows the first-order reversible kinetics. The ion exchange resins investigated in this study showed reversible uptake of chromium and, thus, have good application potential for the removal/recovery of chromium from aqueous solutions.
KW - Adsorption isotherms
KW - Adsorption kinetics
KW - Chromium
KW - Ion exchange resin
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U2 - 10.1016/S0304-3894(01)00291-6
DO - 10.1016/S0304-3894(01)00291-6
M3 - Article
C2 - 11566415
AN - SCOPUS:0035851058
SN - 0304-3894
VL - 87
SP - 273
EP - 287
JO - Journal of Hazardous Materials
JF - Journal of Hazardous Materials
IS - 1-3
ER -