Modification of perlite to prepare low cost zeolite as adsorbent material for removal of 144Ce and 152+154Eu from aqueous solution

被引：10

作者：

Ahmed, I. M. ^{[1
,2
]}

Attia, Lamis A. ^{[3
]}

Attallah, M. F. ^{[4
]}

机构：

[1] Jouf Univ, Sci Coll, Chem Dept, Sakaka, Saudi Arabia

[2] Atom Energy Author, Hot Labs Ctr, Chem Nucl Fuel Dept, Cairo, Egypt

[3] Atom Energy Author, Radiat Protect Dept, Nucl Res Ctr, Cairo, Egypt

[4] Atom Energy Author, Hot Labs Ctr, Analyt Chem & Control Dept, Cairo, Egypt

来源：

RADIOCHIMICA ACTA | 2020年 / 108卷 / 09期

关键词：

Expanded perlite; Zeolite-NaA; sorption; Ce-1(44) and Eu152+154; ADSORPTION; SEPARATION; SORPTION; EUROPIUM; ION; LANTHANIDES; KINETICS; CERIUM; RADIONUCLIDES; BIOSORPTION;

D O I：

10.1515/ract-2019-3221

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The expanded perlite and base activated perlite (Zeolite-NaA) results from treating perlite has a SiO2:Al2O3 ratio similar to 2 were used as an adsorbents for the removal of Ce-144 and Eu-1(52)+(154). The two adsorbents were fully characterized. The factors affecting the sorption of radionuclides onto expanded and modified perlite including contact time, pH, ion concentration were investigated. The modification process of expanded perlite enhanced the removal of Eu-152(+)154 from 17.0 to 97.0%, while for Ce-144 from 22.0 to 91.0 %. Both Ce-144 and Eu-152(+1)54 obey Langmiur isotherm model in case of using modified perlite (Zeolite-NaA) and expanded perlite.

引用

页码：727 / 735

页数：9

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