Manganese ferrite (MnFe2O4) as potential nanosorbent for adsorption of uranium(VI) and thorium(IV)

被引：33

作者：

Alaqarbeh, Marwa ^{[1
,3
]}

Khalili, Fawwaz I. ^{[1
]}

Kanoun, Olfa ^{[2
]}

机构：

[1] Univ Jordan, Dept Chem, Sch Sci, Amman 11942, Jordan

[2] Tech Univ Chemnitz, Dept Elect Engn & Informat Technol, Str Nationen 62, D-09111 Chemnitz, Germany

[3] Natl Agr Res Ctr, Al Baqa 19381, Jordan

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2020年 / 323卷 / 01期

关键词：

Adsorption; Manganese ferrite; Magnetic nanosorbent; U(VI); Th(IV); AQUEOUS-SOLUTION; WASTE-WATER; COOPERATIVE ADSORPTION; MAGNETIC-PROPERTIES; HEMATITE NANOPARTICLES; REMOVAL; ADSORBENT; CHITOSAN; SORPTION; TH(IV);

D O I：

10.1007/s10967-019-06953-4

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The adsorption behavior of U(VI) and Th(IV) metal ions by MnFe2O4 NPs was studied as a function of pH, mass of sorbent, contact time, and temperature. Kinetic data was fitted to Pseudo second-order model and q(m) reached maximum value at pH 3 for Th(IV) and at pH 3.0-5.0 for U(VI) after 3 h. The Langmuir, Freundlich, and Dubinin-Raduskevich isotherm equations were applied to the adsorption data and the proper constants were derived. Adsorption isotherms were studied at different temperature to find Delta H degrees, Delta G degrees, and Delta S degrees. Recovery was carried out by using 0.10 M of HNO3, HCl, EDTA, Na2CO3 and NaCl.

引用

页码：515 / 537

页数：23

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