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首页> 外文期刊>European Journal of Glass Science and Technology, PartB. Physics and Chemistry of Glasses >Lead removal performance of glass derived hydroxyapatite scaffolds prepared by dipping polymer foams in a glass slurry
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Lead removal performance of glass derived hydroxyapatite scaffolds prepared by dipping polymer foams in a glass slurry

机译：通过将聚合物泡沫浸渍在玻璃浆料中制备的玻璃衍生的羟基磷灰石支架的除铅性能

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摘要

Sodium calcium borate glass derived hydroxyapatite (G-HAP) scaffolds were prepared by dipping with polyurethanefoam and followed by immersion in 0.1 M K2HPO4 solution for several days for the immobilization of lead ions in aqueous solutions. The effects of glass and ethyl-cellulose (EC) contents on the porosity and compressive strength of the scaffolds were studied. The effects of different initial pH values and ion concentrations on the lead removal performance were investigated. The mechanism of G-HAP scaffolds in immobilizing Pb~(2+) ions from aqueous solutions was investigated by the x-ray diffraction, infrared spectroscopy and scanning electron microscopy-energy dispersive spectrometry. The results showed that G-HAP scaffolds could immobilize lead ions in solution effectively.
机译：通过浸入聚氨酯泡沫塑料，然后将其浸入0.1 M K2HPO4溶液中数天以将铅离子固定在水溶液中，来制备硼酸钙钠玻璃衍生的羟基磷灰石（G-HAP）支架。研究了玻璃和乙基纤维素（EC）含量对支架孔隙率和抗压强度的影响。研究了不同初始pH值和离子浓度对除铅性能的影响。通过X射线衍射，红外光谱和扫描电镜-能谱分析研究了G-HAP支架固定水溶液中Pb〜（2+）离子的机理。结果表明，G-HAP支架可以有效地固定溶液中的铅离子。

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