title: Adsorption and removal of strontium in aqueous solution by synthetic hydroxyapatite.
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 of90Sr from aqueous solution by HAP column procedure. More than 90 % of90Sr was adsorbed and removed from the90Sr containing solution. Divalent cations, Ca2+, had little effect on the removal of90Sr 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 adsorb90Sr from water present in the environment.
authors.affiliation: Department of Radiation Research, Advanced Science Research Center, Okayama University, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8558 Japan.
authors.forename: Yuichi
authors.initials: Y
authors.lastname: Nishiyama
authors.affiliation: Department of Radiation Research, Advanced Science Research Center, Okayama University, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8558 Japan.
authors.forename: Tadashi
authors.initials: T
authors.lastname: Hanafusa
authors.affiliation: Institute of Plant Science and Resources, Okayama University, 2-20-1 Chuo, Kurashiki, Okayama 710-0046 Japan.
authors.forename: Jun
authors.initials: J
authors.lastname: Yamashita
authors.affiliation: Institute of Plant Science and Resources, Okayama University, 2-20-1 Chuo, Kurashiki, Okayama 710-0046 Japan.
authors.forename: Yoko
authors.initials: Y
authors.lastname: Yamamoto
authors.affiliation: Department of Radiation Research, Advanced Science Research Center, Okayama University, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8558 Japan.
authors.forename: Toshiro
authors.initials: T
authors.lastname: Ono
keywords: Adsorption; Desorption; Divalent cation; Hydroxyapatite; Strontium
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