Adsorption behavior and radiation effects of a silica-based (Calix(4)+Dodecanol)/SiO2-P adsorbent for selective separation of Cs(I) from high level liquid waste

Tatsuya Ito; Yuanlai Xu; Seong Yun Kim; Ryuji Nagaishi; Takaumi Kimura

doi:10.1080/01496395.2015.1085877

Adsorption behavior and radiation effects of a silica-based (Calix(4)+Dodecanol)/SiO₂-P adsorbent for selective separation of Cs(I) from high level liquid waste

Tatsuya Ito, Yuanlai Xu, Seong Yun Kim, Ryuji Nagaishi, Takaumi Kimura

ENG - Quantum Science and Energy Engineering

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

A macroporous silica-based (Calix[4]+Dodecanol)/SiO₂-P absorbent for separation of Cs(I) from HNO₃ solution was prepared by impregnating the 1,3-[(2,4-Diethylheptylethoxy)oxy]-2,4-crown-6-calix[4]arene and its molecule modifier 1-dodecanol into a macroporous silica/polymer composite support. To establish its application into partitioning of Cs(I) from High Level Liquid Waste (HLLW), the adsorption properties and radiation effects on the adsorbent were investigated. The adsorbent showed a relatively large distribution coefficient of Cs(I) and fast equilibrium time in simulated HLLW. Additionally, the adsorbent under the gamma-ray field was found to be able to selectively adsorb Cs(I) with similar behavior to the adsorption without irradiation up to at least 170 kGy.

Original language	English
Pages (from-to)	22-31
Number of pages	10
Journal	Separation Science and Technology (Philadelphia)
Volume	51
Issue number	1
DOIs	https://doi.org/10.1080/01496395.2015.1085877
Publication status	Published - 2016 Jan 2

Keywords

(Calix[4]+Dodecanol)/SiO-P adsorbent
Cesium
Gamma-ray irradiation
high level liquid waste
separation

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)
Process Chemistry and Technology
Filtration and Separation

Access to Document

10.1080/01496395.2015.1085877

Cite this

Adsorption behavior and radiation effects of a silica-based (Calix(4)+Dodecanol)/SiO₂-P adsorbent for selective separation of Cs(I) from high level liquid waste. / Ito, Tatsuya; Xu, Yuanlai; Kim, Seong Yun et al.

In: Separation Science and Technology (Philadelphia), Vol. 51, No. 1, 02.01.2016, p. 22-31.

Research output: Contribution to journal › Article › peer-review

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abstract = "A macroporous silica-based (Calix[4]+Dodecanol)/SiO2-P absorbent for separation of Cs(I) from HNO3 solution was prepared by impregnating the 1,3-[(2,4-Diethylheptylethoxy)oxy]-2,4-crown-6-calix[4]arene and its molecule modifier 1-dodecanol into a macroporous silica/polymer composite support. To establish its application into partitioning of Cs(I) from High Level Liquid Waste (HLLW), the adsorption properties and radiation effects on the adsorbent were investigated. The adsorbent showed a relatively large distribution coefficient of Cs(I) and fast equilibrium time in simulated HLLW. Additionally, the adsorbent under the gamma-ray field was found to be able to selectively adsorb Cs(I) with similar behavior to the adsorption without irradiation up to at least 170 kGy.",

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