Potential application of graphene oxide membranes for removal of Cs(I) and Sr(II) from high level-liquid waste
Ma, FY; Li, Z; Zhao, HG; Geng, YY; Zhou, W; Li, QN; Zhang, L
2017
发表期刊SEPARATION AND PURIFICATION TECHNOLOGY
ISSN1383-5866
卷号188期号:-页码:523-529
文章类型期刊论文
摘要As a new carbon-based membrane material used for ionic and molecular sieving, the graphene oxide (GO) membrane also has potential application in radiochemical separation. In this work, the permeation performances of some typical metallic elements in high level-liquid waste (HLLW) through the ionic sieving 5-mu m-thick GO membranes were investigated. It was found that the permeation rates of ions through GO membranes markedly decreased with the increase of hydrated ionic radii. Cs(I) and Sr(II) permeated through GO membranes quickly, whereas lanthanide ions and actinide ions infiltrated much more slowly, thus providing the feasibility of separation according to the difference of hydrated ionic radii. Moreover, the concentrations of initial metal ions and acidity in feed solutions also had influences on the permeation of ions through GO membranes, and higher initial metal ions and feed solution acidity were favorable to the removal of Cs(I) and Sr(II). The barrier separation test indicated that GO membranes had promising ability for the separation of Cs(I) and Sr(II) from lanthanide and actinide ions due to the difference of hydrated ion radius, and the separation factor of Cs(I)/U(VI) and Sr(II)/U(VI) would reach about 10 and 3 in single penetration. The presented results demonstrated that the membrane separation based on GO membrane would be a promising candidate for the removal of Cs(I) and Sr(II) from HLLW.
关键词Graphite Oxide Aqueous-solutions Permeation Separation Water Extraction Transport Strontium Behavior Precise
DOI10.1016/j.seppur.2017.07.062
关键词[WOS]GRAPHITE OXIDE ; AQUEOUS-SOLUTIONS ; PERMEATION ; SEPARATION ; WATER ; EXTRACTION ; TRANSPORT ; STRONTIUM ; BEHAVIOR ; PRECISE
收录类别SCI
语种英语
WOS记录号WOS:000412607500054
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28775
专题中科院上海应用物理研究所2011-2018年
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Ma, FY,Li, Z,Zhao, HG,et al. Potential application of graphene oxide membranes for removal of Cs(I) and Sr(II) from high level-liquid waste[J]. SEPARATION AND PURIFICATION TECHNOLOGY,2017,188(-):523-529.
APA Ma, FY.,Li, Z.,Zhao, HG.,Geng, YY.,Zhou, W.,...&Zhang, L.(2017).Potential application of graphene oxide membranes for removal of Cs(I) and Sr(II) from high level-liquid waste.SEPARATION AND PURIFICATION TECHNOLOGY,188(-),523-529.
MLA Ma, FY,et al."Potential application of graphene oxide membranes for removal of Cs(I) and Sr(II) from high level-liquid waste".SEPARATION AND PURIFICATION TECHNOLOGY 188.-(2017):523-529.
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