Adsorption of strontium (II) ions from aqueous solution onto bottom ash of expired drug incineration

被引：2

作者：

Brahimi, Abdelkarim ^{[1
]}

Mellah, Abdelhamid ^{[2
]}

Hanini, Salah ^{[3
]}

机构：

[1] COMENA, Nucl Res Ctr Birine CRNB, Dept Reactor Chem, BP 180, Djelfa 17200, Algeria

[2] COMENA, 2Blvd Frantz Fanon,BP 399, Algiers, Algeria

[3] Univ Yahia Fares, BP 26000, Medea, Algeria

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2021年 / 330卷 / 03期

关键词：

Adsorption; BAEDI; Ions strontium; Isotherm model; Kinetics models; ACTIVATED CARBON; RADIOACTIVE STRONTIUM; HUMIC-ACID; REMOVAL; EQUILIBRIUM; SORPTION; SR(II); WATER; KINETICS; SEAWATER;

D O I：

10.1007/s10967-021-08054-7

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Bottom Ash of Expired Drug Incineration (BAEDI) is used in this study for the removal of Sr(II). In the kinetic study, the experimental results are tested. The results obtained show that the pseudo-second order and ninth order models fit the data. Thermodynamic study suggests that the process is: spontaneous, endothermic and with a raised affinity for Sr2+. The results obtained (Delta H degrees = 37.58 kJ mol(-1), E-a = 21.35 kJ mol(-1)) show that the adsorption of Sr2+ is a physical nature. Statistical analysis and the parameters obtained, revealed that the models used are suitable for the data. The maximum adsorption capacity (q(m)), calculated by using Langmuir model, is 38 mgg(-1).

引用

页码：929 / 940

页数：12

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