Adsorption and removal of strontium in aqueous solution by synthetic hydroxyapatite

被引：79

作者：

Nishiyama, Yuichi ^{[1
]}

Hanafusa, Tadashi ^{[1
]}

Yamashita, Jun ^{[2
]}

Yamamoto, Yoko ^{[2
]}

Ono, Toshiro ^{[1
]}

机构：

[1] Okayama Univ, Dept Radiat Res, Adv Sci Res Ctr, Kita Ku, 2-5-1 Shikata Cho, Okayama 7008558, Japan

[2] Okayama Univ, Inst Plant Sci & Resources, 2-20-1 Chuo, Kurashiki, Okayama 7100046, Japan

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2016年 / 307卷 / 02期

关键词：

Strontium; Hydroxyapatite; Adsorption; Desorption; Divalent cation; NUCLEAR-POWER-PLANT; SORPTION; WASTE; CADMIUM; IONS; PRECIPITATION; BEHAVIOR; ZEOLITE; METAL; SOIL;

D O I：

10.1007/s10967-015-4228-9

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Hydroxyapatite (HAP) is a main mineral constituent of bone and tooth and has an outstanding bio-compatibility. 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 Sr-90 from aqueous solution by HAP column procedure. More than 90 % of Sr-90 was adsorbed and removed from the Sr-90 containing solution. Divalent cations, Ca2+, had little effect on the removal of Sr-90 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 Sr-90 from water present in the environment.

引用

页码：1279 / 1285

页数：7

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