Struvite-K crystal growth inhibition by citric acid: Formation of complexes in solution and surface adsorption effects

•Citric acid increases induction time during precipitation of struvite-K.•Citric acid reduces the amount of precipitated struvite-K.•Precipitation of struvite-K is inhibited by formation of Mg citrate complexes.•Surface adsorption of citric acid affects size and shape of the struvite-K crystals.•Cit...

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Bibliographic Details
Published in:Journal of crystal growth 2022-11, Vol.598, p.126858, Article 126858
Main Authors: Viani, Alberto, Zárybnická, Lucie, Ševčík, Radek, Mácová, Petra, Machotová, Jana, Veltruská, Kateřina
Format: Article
Language:English
Subjects:
A1. Adsorption
A1. Nucleation
B1. Minerals
B1. Phosphates
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Summary:•Citric acid increases induction time during precipitation of struvite-K.•Citric acid reduces the amount of precipitated struvite-K.•Precipitation of struvite-K is inhibited by formation of Mg citrate complexes.•Surface adsorption of citric acid affects size and shape of the struvite-K crystals.•Citric acid binds to (001) faces of growing struvite-K crystals.
ISSN:0022-0248
1873-5002
DOI:10.1016/j.jcrysgro.2022.126858