Journal Article10.1016/j.jcrysgro.2023.127285
The effect on the crystallization of calcium sulfate hemihydrate with the addition of magnesium in an MSMPR crystallizer
Cong-Yi Wang,Yan Chang +1 more
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TL;DR: In this article , the effect of Mg2+ ions on the purity of calcium sulfate hemihydrate (HH) in concentrated phosphoric acid solution (wt% P2O5 39) was studied, using a continuously mixed suspension mixed product removal (MSMPR) crystallizer.
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About: This article is published in Journal of Crystal Growth. The article was published on 01 Sep 2023. The article focuses on the topics: Phosphoric acid & Chemistry.
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Citations
CFD-PBE Simulation of para-Xylene Crystallization Behavior and Process Amplification under Different Operating Conditions
Jiayu Dong,Yinglong Wu,Xuanchen Liu,Chuke Zhang,Si Min Wang,Jian Wen +5 more
- 01 Sep 2023
TL;DR: This study employs CFD-PBE simulation to investigate para-xylene crystallization behavior and process amplification under various operating conditions, optimizing parameters to increase average particle size by 6.68% and reduce distribution interval by 38.21%.
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Preparation of α-hemihydrate gypsum whiskers from phosphogypsum using atmospheric pressure nitrate solution
Baolin Xia,Ruohan Shi,Wei Wang,Weijun Peng,Yijun Cao,Yukun Huang,Guixia Fan +6 more
TL;DR: Researchers converted phosphogypsum into high-value α-hemihydrate gypsum whiskers using a simple, efficient, and low-energy atmospheric pressure nitrate solution method, achieving whiskers with high aspect ratios and recyclable filtrate.
References
Interpretation of crystallization induction periods
Otakar Sohnel,John W. Mullin +1 more
TL;DR: In this article, the authors derived expressions describing the dependence of the crystallization induction period tind on supersaturation for different possible nucleation and growth mechanisms, and their validity is assessed on the basis of experimental evidence.
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Diagnostic characterization of gypsum scale formation and control in RO membrane desalination of brackish water
TL;DR: In this paper, the utility of a laboratory diagnostic approach was investigated for a systematic evaluation of the impact of operating conditions, membrane type, and antiscalant effectiveness on membrane mineral salt scale formation.
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The gypsum–anhydrite paradox revisited
TL;DR: In this article, the authors show that intrinsic thermodynamic and kinetic properties severely constrain the precipitation of anhydrite (compared to gypsum and bassanite), and consequently, a considerable amount of time (e.g. > 2 years at 60°C) is needed for anhydite to form.
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