Radiation synthesis of starch-acrylic acid-vinyl sulfonic acid/multiwalled carbon nanotubes composite for the removal of 134Cs and 152+154Eu from aqueous solutions

被引：21

作者：

Abdelmonem, Islam Mohamed ^{[1
]}

Metwally, Essam ^{[1
]}

Siyam, Tharwat Essa ^{[1
]}

Abou El-Nour, Farid ^{[1
]}

Mousa, Abdel-Rahman Mahmoud ^{[2
]}

机构：

[1] Egyptian Atom Energy Author, Hot Labs Ctr, Nucl Chem Dept, POB 13759, Cairo, Egypt

[2] Ain Shams Univ, Fac Sci, Chem Dept, POB 11566, Cairo, Egypt

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2019年 / 319卷 / 03期

关键词：

Multiwall carbon nanotube; Template polymerization; Radiation-induced graft copolymerization; Acrylic acid-vinyl sulfonic acid grafted starch; Europium and Cesium removal; GRAFT-COPOLYMERIZATION; TEMPLATE POLYMERIZATION; EQUILIBRIUM; ADSORPTION; CESIUM; SORPTION; RESIN; BIOSORPTION; SEPARATION; CHITOSAN;

D O I：

10.1007/s10967-018-6392-1

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Starch-acrylic acid-co-vinyl sulfonic acid/multiwalled carbon nanotubes (starch-AA-VSA/f-MWCNTs) bionanocomposite was successfully synthesized using gamma radiation for initiate the grafting of AA/VSA on starch in the presence of f-MWCNTs by template polymerization technique. The structural characteristics were confirmed by FTIR, SEM, and TGA. The adsorption behaviors of bionanocomposite toward Eu(III) and Cs(I) were examined using the batch adsorption experiments. Langmuir and Freundlich's models were used to fit the experimental data of the adsorption isotherms. Kinetic studies showed that the adsorption data followed the pseudo-second-order model. Thermodynamic studies indicated that the reaction was favorable at high temperature and endothermic process.

引用

页码：1145 / 1157

页数：13

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