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Sorption of chromium (VI) by spent grain under batch conditions


Low, Kun She and Lee, Chnoong Kheng and Low, Choy Hoong (2001) Sorption of chromium (VI) by spent grain under batch conditions. Journal of Applied Polymer Science, 82 (9). pp. 2128-2134. ISSN 0021-8995; ESSN: 1097-4628


Batch experiments were performed to evaluate the ability of spent grain to remove chromium (VI) from aqueous solution. Parameters investigated include pH, contact time, sorbent dosage, agitation rate, and the presence of other anions. Application of the Langmuir isotherm to the Cr(VI)–spent grain system provided a maximum sorption capacity of 18.94 mg/g. This value compares favorably with other reported values for low-cost materials. Anions such as phosphate, arsenate, nitrate, and sulfate were antagonistic toward the uptake of Cr(VI) by spent grain. It was successful in removing Cr(VI) from a sample of electroplating waste.

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Additional Metadata

Item Type: Article
Divisions: Faculty of Science and Environmental Studies
DOI Number: https://doi.org/10.1002/app.2058
Publisher: John Wiley & Sons
Keywords: Low-cost material; Spent grain; Sorption; Chromium
Depositing User: Nabilah Mustapa
Date Deposited: 12 Apr 2016 04:35
Last Modified: 12 Apr 2016 04:35
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1002/app.2058
URI: http://psasir.upm.edu.my/id/eprint/42210
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