Preparation of porous hydroxyapatite and its application in Pb ions effective removal
Source abstract
Abstract
Porous hydroxyapatite (HA) matrices with high porosity were prepared through a high temperature sintering method by using HA powder as raw material, polystyrene (PS) microspheres as pore-forming agents and polyvinyl alcohol (PVA) solution as adhesive. The characterization of HA was carried out by a series of techniques including XRD, FT-IR, FESEM and BET, and showed that the morphology and structure of porous HA material were closely related to the amount of PS and PVA. The adsorption capability for Cu2+, Cd2+ and Pb2+ in aqueous solution showed that the porous HA possessed a selective and strong uptake of Pb2+ ions and the adsorption efficiency reached 99.8% in 10 min.
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Research context
OpenAlex topics: Bone Tissue Engineering Materials · Radioactive element chemistry and processing · Extraction and Separation Processes
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Affiliations
Anhui Key Laboratory of Functional Coordination Compounds, School of Chemistry and Chemical Engineering, Anqing Normal University 1 , Anqing 246011, PR China
Center for Chemistry of Novel & High-Performance Materials, and Department of Chemistry, Zhejiang University 2 , Hangzhou 310027, PR China
Funding
National Natural Science Foundation of China · University Natural Science Research Project of Anhui Province
References (26)
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