What question did this study set out to answer?

To evaluate the influence of magnesium, aluminum, and iron impurities alongside modified coal gasification slag on the hydrothermal hydrolysis of TiOSO4 and subsequent TiO2 deposition.

September 17, 2026CeramicsOpen Access

Effects of Mg/Al/Fe and Modified Coal Gasification Slag on Hydrothermal Hydrolysis of TiOSO4

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To evaluate the influence of magnesium, aluminum, and iron impurities alongside modified coal gasification slag on the hydrothermal hydrolysis of TiOSO4 and subsequent TiO2 deposition.
Conducted hydrothermal hydrolysis reactions of TiOSO4 solutions containing Mg, Al, and Fe sulfate impurities.
Introduced modified coal gasification slag (m-CGS) as a heterogeneous deposition substrate and characterized products using thermodynamic calculations, particle size distribution analysis, and TEM-EDS.
Mg, Al, and Fe sulfates suppressed titanium hydrolysis by reducing the theoretical concentration product, but refined the metatitanic acid product to yield a mean particle size decrease from 305 nm to 143 nm.
Modified coal gasification slag accelerated hydrolysis kinetics particularly at lower temperatures, promoting heterogeneous particle growth and confirming TiO2 surface deposition via TEM-EDS.

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Implication

Experimental study reveals metal impurities and modified slag regulate TiOSO4 hydrolysis and particle formation, highlighting a dual-waste recycling strategy.

Cite This Study

Kumai et al. (2026) studied this question.

synapsesocial.com/papers/6aabb7e75f706d05830e72ea https://doi.org/10.3390/ceramics9090100

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Implication

Experimental study reveals metal impurities and modified slag regulate TiOSO4 hydrolysis and particle formation, highlighting a dual-waste recycling strategy.

Effects of Mg/Al/Fe and Modified Coal Gasification Slag on Hydrothermal Hydrolysis of TiOSO4

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Discussion

Implication

Cite This Study

Effects of Mg/Al/Fe and Modified Coal Gasification Slag on Hydrothermal Hydrolysis of TiOSO4

Key Points

Discussion

Implication

Cite This Study

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