COMPOSITE MATERIAL BASED ON SILVER-DOPED ZEOLITE AND MULTI-WALL CARBON NANOTUBES FOR HUMIC ACID REMOVAL

被引：3

作者：

Orha, Corina ^{[1
,2
]}

Pop, Aniela ^{[3
]}

Tiponut, Virgil ^{[3
]}

Manea, Florica ^{[3
]}

机构：

[1] Natl Inst Res & Dev Microtechnol, Bucharest 077190, Romania

[2] Natl Inst Res & Dev Electrochem & Condensed Matte, Condensed Matter Dept, Timisoara 300254, Romania

[3] Politehn Univ Timisoara, Timisoara 300223, Romania

来源：

ENVIRONMENTAL ENGINEERING AND MANAGEMENT JOURNAL | 2013年 / 12卷 / 05期

关键词：

adsorption; humic acid removal; multi-wall carbon nanotubes composite materials; AQUEOUS-SOLUTIONS; ADSORPTION; DYES;

D O I：

10.30638/eemj.2013.113

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

In this paper the synthesis, characterization and testing of composite material based on multi-wall carbon nanotubes and silver-doped natural zeolite (MWCNT-ZAg) has been investigated for humic acid (HA) adsorption. The surface characterization of the composite material has been investigated by X-ray diffraction (XRD) and scanning electron microscopy (SEM/EDX) analysis. The Langmuir and Dubinin-Radushkevich (D-R) models fitted the best experimental data informing that adsorption process of HA onto MWCNT-ZAg is heterogeneously and well described by the pseudo-second-order kinetics. The adsorption results confirmed that MWCNT-ZAg composite can be used as a promising sorbent for the adsorptive HA removal in water treatment process.

引用

页码：917 / 921

页数：5

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