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Spray-Dried Monocalcium Phosphate Monohydrate for Soluble Phosphate Fertilizer
Author(s) -
Khouloud Nasri,
Hafed El Feki,
Patrick Sharrock,
Marina Fiallo,
Ange Nzihou
Publication year - 2015
Publication title -
industrial and engineering chemistry research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.878
H-Index - 221
eISSN - 1520-5045
pISSN - 0888-5885
DOI - 10.1021/acs.iecr.5b02100
Subject(s) - monocalcium phosphate , crystallization , chemistry , phosphate , solubility , phosphoric acid , nuclear chemistry , extraction (chemistry) , pyrophosphate , scanning electron microscope , materials science , organic chemistry , fishery , fish <actinopterygii> , fish meal , composite material , biology , enzyme
International audienceMonocalcium 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

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