用DtBuDB18C6在各种有机溶剂中萃取铯

IF 0.6 4区工程技术 Q4 CHEMISTRY, MULTIDISCIPLINARY

Solvent Extraction Research and Development, Japan Pub Date : 2021-01-01 DOI:10.15261/SERDJ.28.121

Y. Sasaki, Keisuke Morita, Y. Kitatsuji, Ito Keisuke, K. Yoshizuka

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引用次数: 2

摘要

高浓度的铯存在于高放射性废物中。众所周知，Cs是一种碱元素，很难完全萃取成有机相。冠醚类化合物广泛应用于Cs萃取剂;本研究采用DtBuDB18C6(二丁基二苯并-18crown6)。用于工业应用的有机溶剂，如正十二烷和1-辛醇，对该化合物具有低溶解度;使用并测试了其他溶剂。在本研究中，酮型、醚型和酯型溶剂对DtBuDB18C6具有较高的溶解度，DtBuDB18C6在酮类和醇类中溶解时，Cs分布比(D(Cs))相对较高，接近10。

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Solvent Extraction of Cesium Using DtBuDB18C6 into Various Organic Solvents

High concentration of Cs is present in high-level radioactive waste. It is well-known that Cs is an alkali element and difficult to extract completely into an organic phase. Crown ether compounds are widely available for Cs extractants; DtBuDB18C6 (di-t-butyl-dibenzo-18crown6), was used in this study. Organic solvents used for the industrial applications, such as n-dodecane and 1-octanol, have low solubility concerning the compound; other solvents were employed and tested. In this study, ketone-, ether-, and estertype solvents showed high solubility for DtBuDB18C6 and DtBuDB18C6, when dissolved in ketones and alcohols, exhibited relatively high Cs distribution ratios (D(Cs)), closely to 10.

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来源期刊

Solvent Extraction Research and Development, Japan 工程技术-工程：化工

CiteScore

1.30

自引率

14.30%

发文量

审稿时长

1 months

期刊介绍： Solvent Extraction Research and Development, Japan (Solvent Extr. Res. Dev., Jpn.) is a periodical issued from Japan Association of Solvent Extraction (JASE) containing papers dealing with all aspects of solvent extraction and their related methods, underlying principles, and materials. Original articles, notes, technical reports, and critical reviews will be considered for publication. Original articles must be of reasonably broad scope and significance to the solvent extraction. Notes will originally describe novel work of a limited nature or especially significant work in progress. Authors can contribute some information of novel techniques, equipment or apparatus, reagents and diluents for solvent extraction as technical reports. Critical reviews will be received from the authors to whom the editorial committee asked to contribute.