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Crystals
,  volume 12 ,  issue 10 ,  pages 1369

Study on Precipitation Processes and Phase Transformation Kinetics of Iron Phosphate Dihydrate

Publication type: Journal Article
Publication date: 2022-09-27
MDPI
scimago Q2
wos Q2
SJR: 0.486
CiteScore: 5.0
Impact factor: 2.4
ISSN: 20734352, 01725076
Inorganic Chemistry
General Chemical Engineering
Condensed Matter Physics
General Materials Science
Abstract

The process of the phase transformation from amorphous to crystalline FePO4·2H2O was studied in this research. It was found that Fe and P are predominantly present as FeHPO4+ and FeH2PO42+ and an induction period exists during the transition from amorphous to monoclinic form. The induction period and the time required for phase transformation were shortened with the increased temperature. Phase transformation could be kinetically described by the Johnson–Mehl–Avrami (JMA) dynamics model. The dissolution rate of amorphous FePO4·2H2O is the rate-limiting step of this process. the activation energy of phase transformation is calculated to be 9.619 kJ/mol. The results in this study provided more guidelines for the regulation of FePO4·2H2O precursors by precipitation method.

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GOST |
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GOST Copy
Wang H. et al. Study on Precipitation Processes and Phase Transformation Kinetics of Iron Phosphate Dihydrate // Crystals. 2022. Vol. 12. No. 10. p. 1369.
GOST all authors (up to 50) Copy
Wang H., Guo M., Niu Y., Dai J., Yin Q., Zhou L. Study on Precipitation Processes and Phase Transformation Kinetics of Iron Phosphate Dihydrate // Crystals. 2022. Vol. 12. No. 10. p. 1369.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.3390/cryst12101369
UR - https://doi.org/10.3390/cryst12101369
TI - Study on Precipitation Processes and Phase Transformation Kinetics of Iron Phosphate Dihydrate
T2 - Crystals
AU - Wang, Huiqi
AU - Guo, Mingxia
AU - Niu, Yue
AU - Dai, Jiayu
AU - Yin, Qiuxiang
AU - Zhou, Ling
PY - 2022
DA - 2022/09/27
PB - MDPI
SP - 1369
IS - 10
VL - 12
SN - 2073-4352
SN - 0172-5076
ER -
BibTex |
Cite this
BibTex (up to 50 authors) Copy
@article{2022_Wang,
author = {Huiqi Wang and Mingxia Guo and Yue Niu and Jiayu Dai and Qiuxiang Yin and Ling Zhou},
title = {Study on Precipitation Processes and Phase Transformation Kinetics of Iron Phosphate Dihydrate},
journal = {Crystals},
year = {2022},
volume = {12},
publisher = {MDPI},
month = {sep},
url = {https://doi.org/10.3390/cryst12101369},
number = {10},
pages = {1369},
doi = {10.3390/cryst12101369}
}
MLA
Cite this
MLA Copy
Wang, Huiqi, et al. “Study on Precipitation Processes and Phase Transformation Kinetics of Iron Phosphate Dihydrate.” Crystals, vol. 12, no. 10, Sep. 2022, p. 1369. https://doi.org/10.3390/cryst12101369.