Biosorption optimization of nickel removal from water using Punica granatum peel waste

被引：153
作者：
Bhatnagar, Amit [1 ,2 ]
Minocha, A. K. [1 ]
机构：
[1] Cent Bldg Res Inst, Environm Sci & Technol Div, Roorkee 247667, Uttar Pradesh, India
[2] Hamburg Univ Technol TUHH, Inst Environm Technol & Energy Econ, D-21073 Hamburg, Germany
来源：
COLLOIDS AND SURFACES B-BIOINTERFACES | 2010年 / 76卷 / 02期
关键词：
Pomegranate peel waste; Nickel removal; Biosorption; Langmuir model; Kinetic modeling; AQUEOUS-SOLUTION; ACTIVATED CARBON; ADSORPTION; NI(II); SORPTION; SINGLE; COPPER;
D O I：
10.1016/j.colsurfb.2009.12.016
中图分类号：
Q6 [生物物理学];
学科分类号：
071011 ;
摘要：
The present Study was undertaken to evaluate the feasibility of Punica granatum (pomegranate) peel waste for the removal of nickel from water. Batch experiments were performed to study the biosorption of nickel on prepared pomegranate peel adsorbent. The sorption process was well explained with pseudo-second-order kinetic model. The maximum sorption capacity of pomegranate peel adsorbent for nickel removal was ca. 52 mg g(-1). The sorption has been found to be endothermic and data conform to the Langmuir model. The Gibbs free energy was determined to be negative, indicating the spontaneous nature of the sorption process. The results of the present study suggest that pomegranate peel waste can be used beneficially for nickel removal from aqueous solution. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：544 / 548
页数：5
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