Attapulgite as an eco-friendly adsorbent in the treatment of real radioactive wastewater

被引：2

作者：

Muslim, Wasan ^{[1
]}

Al-Nasri, Salam ^{[2
]}

Albayati, Talib M. ^{[3
]}

Salih, Issam ^{[4
]}

机构：

[1] Iraqi Geol Survey, Minist Ind & Minerals, Baghdad, Iraq

[2] Iraqi Atom Energy Commiss IAEC, Radiat & Nucl Safety Directorate, Baghdad, Iraq

[3] Univ Technol Baghdad, Dept Chem Engn, 52 Alsinaa St,POB 35010, Baghdad, Iraq

[4] Al Mustaqbal Univ, Dept Chem Engn & Petr Ind, Babylon 51001, Iraq

来源：

WATER PRACTICE AND TECHNOLOGY | 2023年 / 18卷 / 09期

关键词：

attapulgite; cesium adsorption; clay minerals; Cs-137; wastewater remediation; CESIUM ADSORPTION; CLAY-MINERALS; CS+ SORPTION; REMOVAL; NANOCOMPOSITES; EQUILIBRIUM; EXCHANGE;

D O I：

10.2166/wpt.2023.131

中图分类号：

TV21 [水资源调查与水利规划];

学科分类号：

081501 ;

摘要：

Operators cannot ignore the radiation hazards arising from nuclear weapons. In this study, batch adsorption experiments were investigated to remove the radioactive isotope Cs-137 from the real radioactive wastewater. The attapulgite natural clay mineral was characterized and adopted as an adsorbent in a batch adsorption system. Equilibrium was reached after 2 h with a Cs-137 removal efficiency of 97% for attapulgite. The kinetics of Cs-137 adsorption on the attapulgite clay surface were evaluated. The pseudo-second-order kinetic model produced an excellent fit with the experimental kinetic data for attapulgite, indicating that attapulgite was the best adsorption medium.

引用

页码：2068 / 2079

页数：12

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