期刊
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
卷 20, 期 4, 页码 2428-2438出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2013.10.023
关键词
Gold biosorption; Buckwheat hulls; Kinetics; Isotherm; Optimization; Response surface methodology
资金
- National Natural Science Foundation of China [51102127, 51073075, 51373074, 51302127, 51143006]
- Natural Science Foundation of Shandong Province [2009ZRB01463, 2008BS04011, Y2007B19]
- Nature Science Foundation of Ludong University [08-CXA001, 032912, 042920, LY20072902]
- Educational Project for Postgraduate of Ludong University [YD05001, Ycx0612]
- Program for Scientific Research Innovation Team in Colleges and Universities of Shandong Province
The agricultural residuals buckwheat hulls in the region of Jiaodong, China (BHJC) were employed to adsorb Au(III) ions both in the spiked samples and the gold-plating wastewater samples, and the relevant adsorption kinetics and isotherms were investigated. The investigation on the adsorption selectivity showed that BHJC displayed strong affinity for gold in the aqueous solutions. Furthermore, the process optimization was performed using response surface methodology (RSM), the quantitative relationship between the gold uptake and the different levels of experimental factors was used to work out optimized levels of these parameters. (C) 2013 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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