Black cumin seed (BCS): a non conventional adsorbent for the removal of Cu (II) from aqueous solution

被引：14

作者：

Ahmad, Rais ^{[1
]}

Haseeb, Shaziya ^{[1
]}

机构：

[1] Aligarh Muslim Univ, Dept Appl Chem, Fac Engn & Technol, Environm Res Lab, Aligarh 202002, Uttar Pradesh, India

来源：

DESALINATION AND WATER TREATMENT | 2015年 / 56卷 / 09期

关键词：

Black cumin seed; Adsorption; Cu2+; Freundlich; SEM; METAL-IONS; COPPER(II) IONS; INDUSTRY WASTE; HEAVY-METALS; ADSORPTION; BIOSORPTION; ZINC; EQUILIBRIUM; KINETICS; SORPTION;

D O I：

10.1080/19443994.2014.968627

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The present study reports the use of Black Cumin Seed as a non-conventional adsorbent for the removal of Cu2+ from aqueous solution. The various operational parameters such as contact time, pH, concentration, surfactant, and ionic strength have been investigated. The adsorbent was characterized by Fourier transform infrared spectroscopy and SEM analysis. The optimum equilibrium time and pH was found to be 30min and 6, respectively. The adsorption data was best fitted by pseudo-second order kinetic whereas the adsorption isotherm was best described by Freundlich model. The process was found to be spontaneous and endothermic in nature. The activation energy was also determined and the process was found to be chemisorptions in nature. Ninety-five percent of the adsorbed Cu2+ ion could be desorbed by 0.1N HCl solution and the spent adsorbent can be reused up to five times.

引用

页码：2512 / 2521

页数：10

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