Simultaneous ultrasound-assisted removal of sunset yellow and erythrosine by ZnS:Ni nanoparticles loaded on activated carbon: Optimization by central composite design

被引：78
|
作者：
Roosta, M. [1 ]
Ghaedi, M. [1 ]
Daneshfar, A. [2 ]
Darafarin, S. [2 ]
Sahraei, R. [2 ]
Purkait, M. K. [3 ]
机构：
[1] Univ Yasuj, Dept Chem, Yasuj 7591874831, Iran
[2] Univ Ilam, Dept Chem, Ilam, Iran
[3] Indian Inst Technol, Dept Chem Engn, Gauhati 781039, Assam, India
来源：
ULTRASONICS SONOCHEMISTRY | 2014年 / 21卷 / 04期
关键词：
Activated carbon; Central composite design; Desirability function; Response surface methodology; Nanoparticles; Ultrasound-assisted dye removal; CHEMICAL BATH DEPOSITION; SOLID-PHASE EXTRACTION; EFFICIENT ADSORBENT; ADSORPTION; KINETICS; DYE; PRECONCENTRATION; EQUILIBRIUM; NANOTUBES; GREEN;
D O I：
10.1016/j.ultsonch.2014.01.018
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
The present study focused on the simultaneous ultrasound-assisted removal of sunset yellow and erythrosine dyes from aqueous solutions using ZnS:Ni nanoparticles loaded on activated carbon (ZnS:Ni-NP-AC) as an adsorbent. ZnS:Ni nanoparticles were synthesized and characterized using different techniques such as FESEM, XRD and TEM. The effects of various parameters such as sonication time, pH, initial dye concentrations and adsorbent dose on the percentage of dye removal were investigated. Parameters were optimized by central composite design (CCD) combined with response surface methodology (RSM) and desirability function (DF). A good agreement between experimental and predicted values was observed. The ultrasound-assisted adsorbent (0.04 g) was capable of high percentage removal (98.7% and 99.6%) of sunset yellow and erythrosine in short time (3.8 min). (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：1441 / 1450
页数：10
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