Hexavalent chromium adsorption on impregnated palm shell activated carbon with polyethyleneimine

Owlad, M. and Aroua, Mohamed Kheireddine and Daud, Wan Mohd Ashri Wan (2010) Hexavalent chromium adsorption on impregnated palm shell activated carbon with polyethyleneimine. Bioresource Technology, 101 (14). pp. 5098-5103. ISSN 0960-8524, DOI https://doi.org/10.1016/j.biortech.2010.01.135.

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Official URL: https://doi.org/10.1016/j.biortech.2010.01.135


Removal of Cr(VI) ions from aqueous solution was investigated using modified palm shell activated carbon. Low Molecular Weight Polyethyleneimine (LMW PEI) was used for impregnation purpose. The maximum amount of LMW PEI adsorbed on activated carbon was determined to be approximately 228.2 mg/g carbon. The adsorption experiments were carried out in a batch system using potassium dichromate K2Cr2O7 as the source of Cr(VI) in the synthetic waste water and modified palm shell activated carbon as the adsorbent. The effects of pH, concentration of Cr(VI) and PEI loaded on activated carbon were studied. The adsorption data were found to fit well with the Freundlich isotherm model. This modified Palm shell activated carbon showed high adsorption capacity for chromium ions.

Item Type: Article
Additional Information: Cited By (since 1996):24 Export Date: 21 April 2013 Source: Scopus CODEN: BIRTE :doi 10.1016/j.biortech.2010.01.135 PubMed ID: 20156679 Language of Original Document: English Correspondence Address: Aroua, M.K.; Department of Chemical Engineering, Faculty of Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia; email: mkaroua@um.edu.my : Chemicals/CASactivated carbon, 64365-11-3, 82228-96-4; chromium, 14092-98-9, 16065-83-1, 7440-47-3; dichromate potassium, 7778-50-9; polyethyleneimine, 74913-72-7; Carbon, 7440-44-0; Charcoal, 16291-96-6; Chromium, 7440-47-3; Lead, 7439-92-1; Oxygen, 7782-44-7; Polyethyleneimine, 9002-98-6; Potassium Dichromate, 7778-50-9; Water Pollutants, Chemical; chromium hexavalent ion, 18540-29-9 References: Adhoum, N., Monser, L., Removal of cyanide from aqueous solution using impregnated activated carbon (2002) Chem. Eng. 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Uncontrolled Keywords: Adsorption; Hexavalent chromium; Modification; Polyethyleneimine; Adsorption data; Adsorption experiment; Aqueous solutions; Batch systems; Chromium ions; Concentration of; Freundlich isotherm model; High adsorption capacity; Low molecular weight; Palm shell-activated carbon; Potassium dichromates; Synthetic waste water; Chromium; Chromium compounds; Metal ions; pH effects; Sewage; Shells (structures); Wastewater; Activated carbon; dichromate potassium; pH; adsorption kinetics; aqueous solution; article; batch process; chemical analysis; chemical modification; chemical structure; concentration (parameters); controlled study; molecular weight; priority journal; quantitative analysis; waste component removal; waste water management; Carbon; Charcoal; Hydrogen-Ion Concentration; Lead; Oxygen; Potassium Dichromate; Water Pollutants; Chemical; Water Purification.
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TP Chemical technology
Divisions: Faculty of Engineering
Depositing User: Mr Jenal S
Date Deposited: 16 Jul 2013 05:05
Last Modified: 05 Apr 2019 07:16
URI: http://eprints.um.edu.my/id/eprint/7425

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