Modeling, analysis and optimization of adsorption parameters of Au(III) using low-cost agricultural residuals buckwheat hulls

Kun Deng; Ping Yin; Xiguang Liu

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Modeling, analysis and optimization of adsorption parameters of Au(III) using low-cost agricultural residuals buckwheat hulls

机译：低成本农残荞麦壳对Au（III）吸附参数的建模，分析和优化

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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.

机译：利用胶东地区的农残荞麦壳（BHJC）吸附加标样品和镀金废水样品中的Au（III）离子，并研究了相关的吸附动力学和等温线。吸附选择性的研究表明，BHJC对水溶液中的金具有很强的亲和力。此外，使用响应表面方法（RSM）进行了工艺优化，并采用了金吸收量与不同水平的实验因子之间的定量关系来确定这些参数的优化水平。

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《Journal of industrial and engineering chemistry》 |2014年第4期|共11页
作者
Kun Deng; Ping Yin; Xiguang Liu;
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正文语种 eng
中图分类化学工业;
关键词
Cold biosorption; Buckwheat hulls; Kinetics; Isotherm; Optimization; Response surface methodology;

机译：冷生物吸附荞麦壳运动学等温线优化响应面法;

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Modeling, analysis and optimization of adsorption parameters of Au(III) using low-cost agricultural residuals buckwheat hulls

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