期刊
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
卷 350, 期 1-3, 页码 73-78出版社
ELSEVIER
DOI: 10.1016/j.colsurfa.2009.09.006
关键词
Phosphate rock; Apatite; Powder-chemical preparation; Dissolution; Precipitation
Naturally-abundant Moroccan phosphate (Bengurir ores) was used as a Source for calcium and phosphorus precursors for the synthesis of nanoporous apatites. following a dissolution-precipitation method. The influence of temperature. ripening time and solvent nature on the crystal growth of apatite was investigated. For all products, Poorly crystalline apatite phases were obtained after drying, exhibiting a mesoporous structure with specific surface area up to 150 m(2) g(-1). These materials could be converted into a pure crystalline hydroxyapatite phase after treatment at 800 C. This simple, eco-friendly and cheap procedure may be useful for the future development of sorbents for water treatment. (C) 2009 Elsevier B.V. All rights reserved.
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