Preparation of forcespun γ-irradiated chitin from shrimp shell wastes and its evaluation as uranyl ion adsorbent

被引：0

作者：

Rostamian, Roshanak ^{[1
]}

Firouzzare, Mahmoud ^{[2
]}

机构：

[1] Razi Univ, Chem Fac, Analyt Chem Dept, Kermanshah, Iran

[2] Nucl Sci & Technol Res Inst, Mat & Nucl Fuel Res Sch, POB 11365-8486, Tehran, Iran

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2021年 / 329卷 / 02期

关键词：

Uranium; Chitosan nanofibers; gamma-irradiation; Forcespinning; Langmuir isotherm; LOW-COST ADSORBENTS; AQUEOUS-SOLUTION; CHITOSAN; REMOVAL; ADSORPTION; URANIUM; WATER; MEMBRANES;

D O I：

10.1007/s10967-021-07862-1

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Chitosan (CS) was synthesized by gamma irradiation of chitin extracted from shrimp shell wastes. CS nanofibers (CS-NFs) with a diameter of 500 nm were prepared using forcespinning method. The obtained CS-NFs were then used to adsorb uranium (U) from aqueous solution. Under optimal conditions, pH 6 and contact time 210 min, the maximum U adsorption was 142 mg g(-1). The results showed that CS-NFs adsorb U from aqueous media based on the Langmuir isotherm model. Also, kinetic studies showed that the adsorption process follows a pseudo-second-order model.

引用

页码：731 / 739

页数：9

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