Hydrous manganese oxide-polyacrylonitrile (HMO-PAN) composite for the treatment of radioactive laundry wastewater

被引：8
作者：
Oh, Sanghwa [1 ]
Shin, Won Sik [1 ]
Choi, Sang-June [1 ]
机构：
[1] Kyungpook Natl Univ, Dept Environm Engn, Taegu 702701, South Korea
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2015年 / 303卷 / 01期
基金：
新加坡国家研究基金会;
关键词：
Hydrous manganese oxide-polyacrylonitrile (HMO-PAN); Competitive sorption; Radionuclides; Surfactant; Low-level liquid radioactive waste (LLRW); AMMONIUM MOLYBDOPHOSPHATE; COMPETITIVE SORPTION; BINARY ADSORPTION; DIOXIDE COMPOSITE; AQUEOUS-SOLUTION; REMOVAL; IONS; STRONTIUM; CADMIUM; CESIUM;
D O I：
10.1007/s10967-014-3583-2
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Hydrous manganese oxide-polyacrylonitrile (HMO-PAN) composite was applied for the removal of Co2+, Sr2+ and Cs+ from radioactive laundry wastewater. Single- and multi-solute competitive sorptions onto HMO-PAN were investigated. The maximum sorption capacity was in the order of Co2+ (0.573) > Cs+ (0.551) > Sr2+ (0.310 mmol g(-1)). Sorption of the metals occurred via physical adsorption due to weak van der Waals force and ion exchange with Mn2+ in HMO-PAN. Sorption behaviors were not related to the types of the surfactants. Among the tested surfactants, SDBS and SOBS remarkably increased the distribution coefficient of Co2+ and Sr2+, respectively.
引用
收藏
页码：495 / 508
页数：14
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