期刊
RSC ADVANCES
卷 5, 期 50, 页码 40154-40162出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ra04624f
关键词
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资金
- National Natural Science Foundation of China [51172260, 51302294, 51472259]
- National Basic Research Program of China (973 Program) [2012CB933600]
Amorphous calcium phosphate nanowires (ACPNWs) were prepared using calcium chloride as the calcium source and beta-glycerophosphate disodium salt (BGP) as the phosphate source by a microwave-assisted hydrothermal method. The effects of the hydrothermal temperature and concentrations of BGP and CaCl2 on the morphology and crystalline phase of the product were investigated. The as-prepared products were characterized by X-ray powder diffraction (XRD), transmission electron microscopy (TEM), and scanning electron microscopy (SEM). The possible formation mechanism of the ACPNWs is proposed. The experimental results indicate that the as-prepared ACPNWs exhibit large adsorption capacities for heavy metal ions (Cd2+, Cu2+, Pb-2+, and Zn2+) and a highly selective adsorption activity for Pb2+ ions in an aqueous solution in the pH range from 4.5 to 8.5, implying that ACPNWs are a promising adsorbent for applications in water treatment.
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