Removal of lead ions from water using a resin of mimosa tannin and carbon nanotubes

被引：33
|
作者：
Luzardo, Francisco H. M. [1 ]
Velasco, Fermin G. [1 ]
Correia, Ivea K. S. [2 ]
Silva, Patricia M. S. [3 ]
Salay, Luiz C. [1 ]
机构：
[1] Univ Estadual Santa Cruz, CPqCTR, Dept Ciencias Exatas & Tecnol, Rodovia Jorge Amado,Km 16, BR-45662900 Ilheus, BA, Brazil
[2] Univ Estadual Santa Cruz, CPqCTR, Programa Posgrad Desenvolvimento & Meio Ambiente, Rodovia Jorge Amado,Km 16, BR-45662900 Ilheus, BA, Brazil
[3] Univ Estadual Santa Cruz, CPqCTR, Quim, Rodovia Jorge Amado,Km 16, BR-45662900 Ilheus, BA, Brazil
来源：
ENVIRONMENTAL TECHNOLOGY & INNOVATION | 2017年 / 7卷
关键词：
Water pollution; Lead adsorption; Tannin resin; Carbon nanotubes; X-Ray Fluorescence Spectrometry; BRILLIANT GREEN-DYE; HEAVY-METAL IONS; BAGASSE FLY-ASH; AQUEOUS-SOLUTION; WASTE-WATER; ILHA SOLTEIRA; PARANA RIVER; PB(II) IONS; ADSORPTION; EQUILIBRIUM;
D O I：
10.1016/j.eti.2017.03.002
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
A large amount of input of lead to the environment has resulted from several economical activities and has a significant impact on water resources. The reduction of lead contamination in water is an important issue for the environmental and human health. This study aimed to synthesize a tannin-formaldehyde resin with the inclusion of carbon nanotubes and coconut fibers, for removal of lead in water. The concentrations of Pb(II) were measured by Energy-Dispersive X-Ray Fluorescence (EDXRF) analysis. The physical and chemical characteristics and the kinetic and isotherms adsorption parameters are reported. The synthesized resin can achieve a capacity of Pb(II) adsorption higher than 13.8 mg g(-1), showing a good alternative for its future use in the treatment of water containing toxic metals in trace concentrations. (c) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：219 / 228
页数：10
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