HUSCAP logo Hokkaido Univ. logo

Hokkaido University Collection of Scholarly and Academic Papers >
Graduate School of Engineering / Faculty of Engineering >
Peer-reviewed Journal Articles, etc >

Alkali aluminosilicate geopolymers as binders to encapsulate strontium-selective titanate ion-exchangers

This item is licensed under:Creative Commons Attribution 3.0 Unported

Files in This Item:
c9dt02108f.pdf3.84 MBPDFView/Open
Please use this identifier to cite or link to this item:

Title: Alkali aluminosilicate geopolymers as binders to encapsulate strontium-selective titanate ion-exchangers
Authors: Ke, Xinyuan Browse this author
Bernal, Susan A. Browse this author
Sato, Tsutomu Browse this author →KAKEN DB
Provis, John L. Browse this author
Issue Date: 22-Jul-2019
Publisher: Royal Society of Chemistry
Journal Title: Dalton Transactions
Volume: 48
Issue: 32
Start Page: 12116
End Page: 12126
Publisher DOI: 10.1039/C9DT02108F
PMID: 31328757
Abstract: Alkali-activated metakaolin geopolymers are attracting interest in the conditioning of nuclear wastes, especially for their ability to immobilise cationic species. However, there is limited understanding of the chemical interactions between the encapsulated spent ion-exchangers, used for decontaminating waste water, and the host aluminosilicate matrix. The lack of such understanding makes it difficult to predict the long-term stability of the waste form. In this study, the suitability of using metakaolin based geopolymer as a matrix for encapsulation of titanate-type ion-exchangers loaded with non-radioactive Sr was investigated for the first time, via spectroscopic and microstructural inspection of the encapsulated ion-exchangers and the aluminosilicate gel matrix. The microstructural and chemical properties of metakaolin geopolymers remained stable after encapsulating titanate type spent ion-exchangers, performed desirably as host materials for conditioning of Sr-loaded titanate ion-exchangers.
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 佐藤 努

Export metadata:

OAI-PMH ( junii2 , jpcoar_1.0 )

MathJax is now OFF:


 - Hokkaido University