Spray-Dried Monocalcium Phosphate Monohydrate for Soluble Phosphate Fertilizer

被引:13
|
作者
Nasri, Khouloud [1 ]
El Feki, Hafed [1 ]
Sharrock, Patrick [2 ]
Fiallo, Marina [2 ]
Nzihou, Ange [3 ]
机构
[1] Fac Sci Sfax, Lab Mat & Environm Sci, Sfax, Tunisia
[2] Univ Toulouse, SIMAD, IUT Paul Sabatier, F-81104 Castres, France
[3] Univ Toulouse, Mines Albi, CNRS, Ctr RAPSODEE, Albi, France
关键词
P-31; NMR; CLINICAL-APPLICATIONS; BONE CEMENTS; CALCIUM;
D O I
10.1021/acs.iecr.5b02100
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
Monocalcium phosphate monohydrate (MCPM) was obtained by water extraction of triple superphosphate. The solubility of MCPM is 783.1 g/L, and is entirely soluble. Saturated MCPM solution dissociates into free phosphoric acid and monetite (CaHPO4), but evaporation to dryness by spray drying forms MCPM during crystallization. Complete characterization by infrared, X-ray diffraction, and scanning electron microscopies and NMR is reported for MCPM and the derived pyrophosphates.
引用
收藏
页码:8043 / 8047
页数:5
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