Adsorption and removal of strontium in aqueous solution by synthetic hydroxyapatite

Journal of Radioanalytical and Nuclear Chemistry
Yuichi NishiyamaToshiro Ono

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 (90)Sr from aqueous solution by HAP column procedure. More than 90 % of (90)Sr was adsorbed and removed from the (90)Sr containing solution. Divalent cations, Ca(2+), had little effect on the removal of (90)Sr 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 (90)Sr from water present in the environment.

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Citations

May 20, 2017·Scientific Reports·Yurina SekineKazunari Akiyoshi
Aug 24, 2020·Environmental Science and Pollution Research International·Vinod KumarSwayangSiddha Nayak
Jul 10, 2020·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Bence KutusJohannes Hunger
Apr 5, 2021·Environmental Research·B S ReddyN S Reddy
Jun 9, 2020·Journal of Environmental Management·Eleazer L VivasKuk Cho

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Methods Mentioned

BETA
scanning electron microscopy
atomic absorption spectrometry

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