Adsorption and removal of strontium in aqueous solution by synthetic hydroxyapatite

Yuichi Nishiyama; Tadashi Hanafusa; Jun Yamashita; Yoko Yamamoto; Toshiro Ono

doi:10.1007/s10967-015-4228-9

Adsorption and removal of strontium in aqueous solution by synthetic hydroxyapatite

Yuichi Nishiyama, Tadashi Hanafusa, Jun Yamashita, Yoko Yamamoto, Toshiro Ono

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

69 Citations (Scopus)

Abstract

Hydroxyapatite (HAP) is a main mineral constituent of bone and tooth and has an outstanding biocompatibility. HAP is a possible sorbent for heavy metals in wastewater due to its high adsorption capacity and low water solubility. We developed a removal system of ⁹⁰Sr from aqueous solution by HAP column procedure. More than 90 % of ⁹⁰Sr was adsorbed and removed from the ⁹⁰Sr containing solution. Divalent cations, Ca²⁺, had little effect on the removal of ⁹⁰Sr up to a concentration of 1 mmol L⁻¹. This clearly indicates that the HAP column technique is advantageous with respect to the capacity to adsorb ⁹⁰Sr from water present in the environment.

Original language	English
Pages (from-to)	1279-1285
Number of pages	7
Journal	Journal of Radioanalytical and Nuclear Chemistry
Volume	307
Issue number	2
DOIs	https://doi.org/10.1007/s10967-015-4228-9
Publication status	Published - Feb 1 2016

Keywords

Adsorption
Desorption
Divalent cation
Hydroxyapatite
Strontium

ASJC Scopus subject areas

Analytical Chemistry
Nuclear Energy and Engineering
Radiology Nuclear Medicine and imaging
Pollution
Spectroscopy
Public Health, Environmental and Occupational Health
Health, Toxicology and Mutagenesis

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1007/s10967-015-4228-9

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abstract = "Hydroxyapatite (HAP) is a main mineral constituent of bone and tooth and has an outstanding biocompatibility. HAP is a possible sorbent for heavy metals in wastewater due to its high adsorption capacity and low water solubility. We developed a removal system of 90Sr from aqueous solution by HAP column procedure. More than 90 % of 90Sr was adsorbed and removed from the 90Sr containing solution. Divalent cations, Ca2+, had little effect on the removal of 90Sr up to a concentration of 1 mmol L−1. This clearly indicates that the HAP column technique is advantageous with respect to the capacity to adsorb 90Sr from water present in the environment.",

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AU - Nishiyama, Yuichi

AU - Hanafusa, Tadashi

AU - Yamashita, Jun

AU - Yamamoto, Yoko

AU - Ono, Toshiro

PY - 2016/2/1

Y1 - 2016/2/1

N2 - Hydroxyapatite (HAP) is a main mineral constituent of bone and tooth and has an outstanding biocompatibility. HAP is a possible sorbent for heavy metals in wastewater due to its high adsorption capacity and low water solubility. We developed a removal system of 90Sr from aqueous solution by HAP column procedure. More than 90 % of 90Sr was adsorbed and removed from the 90Sr containing solution. Divalent cations, Ca2+, had little effect on the removal of 90Sr up to a concentration of 1 mmol L−1. This clearly indicates that the HAP column technique is advantageous with respect to the capacity to adsorb 90Sr from water present in the environment.

AB - Hydroxyapatite (HAP) is a main mineral constituent of bone and tooth and has an outstanding biocompatibility. HAP is a possible sorbent for heavy metals in wastewater due to its high adsorption capacity and low water solubility. We developed a removal system of 90Sr from aqueous solution by HAP column procedure. More than 90 % of 90Sr was adsorbed and removed from the 90Sr containing solution. Divalent cations, Ca2+, had little effect on the removal of 90Sr up to a concentration of 1 mmol L−1. This clearly indicates that the HAP column technique is advantageous with respect to the capacity to adsorb 90Sr from water present in the environment.

KW - Adsorption

KW - Desorption

KW - Divalent cation

KW - Hydroxyapatite

KW - Strontium

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Adsorption and removal of strontium in aqueous solution by synthetic hydroxyapatite

Abstract

Keywords

ASJC Scopus subject areas

UN SDGs

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