Comparative study on adsorption of two cationic dyes by milled sugarcane bagasse
Zhang, Zhanying, O'Hara, Ian M., Kent, Geoff A., & Doherty, William O.S. (2013) Comparative study on adsorption of two cationic dyes by milled sugarcane bagasse. Industrial Crops and Products, 42, pp. 41-49.
Adsorptions of Rhodamine B (RhB) and Basic Blue 9 (BB9, also known as methylene blue) by sugarcane bagasse of different surface areas were compared in this study. There was a small gain in the amount of dye removed by increasing bagasse surface area from 0.57 m2/g to 1.81 m2/g. BB9 adsorption was less sensitive to surface area change than RhB adsorption. Adsorption capacity of 250 mg/L RhB on 1 g/L bagasse was 65.5 mg/g compared to a value of 30.7 mg/g obtained with BB9 under the same conditions. Increasing adsorption temperature (from 30 °C to 50 °C) while having no effect on RhB adsorption, slightly decreased BB9 adsorption by ~4%. The differences in adsorption performances between these dyes have been related to the molecular structure of the dyes and the surface chemistry of bagasse.
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|Item Type:||Journal Article|
|Keywords:||Adsorption; Sugarcane bagasse; Rhodamine B; Basic Blue 9; Regression analysis|
|Divisions:||Current > Research Centres > Centre for Tropical Crops and Biocommodities
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright 2012 Elsevier B.V.|
|Copyright Statement:||NOTICE: this is the author’s version of a work that was accepted for publication in Industrial Crops and Products. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Industrial Crops and Products, [Volume 42, (March 2013)] DOI: 10.1016/j.indcrop.2012.05.008|
|Deposited On:||20 Aug 2012 00:40|
|Last Modified:||03 Apr 2014 05:10|
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