Repository of Research and Investigative Information

Repository of Research and Investigative Information

Kurdistan University of Medical Sciences

Removal of hexavalent chromium from aqueous solution using polyaniline: Modeling and optimization

(2016) Removal of hexavalent chromium from aqueous solution using polyaniline: Modeling and optimization. International Journal of Pharmacy and Technology.

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Official URL: https://www.scopus.com/inward/record.uri?eid=2-s2....

Abstract

The aim of this work was the application of polyaniline as adsorbent for removal of hexavalent chromium from aqueous solution. Response surface method (RSM) as a mathematical technique was used for modeling and optimazed the considerable parameters. The operating parameters such as initial chromium concentration,adsorption time and pH were evaluated. Maximum chromium removal was 11.51 mg/g at the optimum condition of initial pH 6.23,initial Cr+6 concentration 92.52 mg/L,and contact time about 19 min. According to statistical analysis,R2(0.75),Adjusted R2 (0.52),the mean adsorption uptake (8.25 mg/g) and standard deviation (2.09) were calculated. © 2016,International Journal of Pharmacy and Technology. All rights reserved.

Item Type: Article
Keywords: chromium; polyaniline, adsorption; aqueous solution; Article; concentration (parameters); pH; porosity; response surface method; scanning electron microscopy; surface area
Page Range: pp. 18676-18684
Journal or Publication Title: International Journal of Pharmacy and Technology
Volume: 8
Number: 3
Publisher: International Journal of Pharmacy and Technology
ISSN: 0975766X
Depositing User: مهندس جمال محمودپور
URI: http://eprints.muk.ac.ir/id/eprint/510

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