The effect of ultrasound and precursor on the formation of nano-TiO2

被引：0
|
作者：
Dewes, Ruben M. M. [1 ]
Zhu, Yanshen [1 ]
Dami, Valentina [2 ]
Baldi, Giovanni [2 ]
Koos, Erin [1 ]
Van Gerven, Tom [1 ]
机构：
[1] Katholieke Univ Leuven, Dept Chem Engn, B-3001 Leuven, Belgium
[2] Colorobbia Consulting SRL, Colorobbia Res Ctr, CeRiCol, I-50059 Sovigliana Vinci, Italy
来源：
JOURNAL OF NANOPARTICLE RESEARCH | 2023年 / 25卷 / 06期
基金：
欧盟地平线“2020”;
关键词：
TiO2; Ultrasound; Precursor; Alcohol; Nano-particles; Synthesis; Deagglomeration; TITANIUM-DIOXIDE NANOMATERIALS; TIO2; NANOPARTICLES; PHOTOCATALYTIC ACTIVITY; PARTICLE-SIZE; ANATASE; TEMPERATURE; ALCOHOLS; NANORODS; RUTILE;
D O I：
10.1007/s11051-023-05746-x
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The production of nano-TiO2 is a time consuming process, due to a long peptization phase. In the past years, ultrasound has become more and more popular as a tool for improving chemical processes. With its ability to enhance mass transfer and deagglomeration, it is a promising technology to investigate the reduction of the production time of nano-TiO2 in a size range of 40 nm. In the present work, the effect of ultrasound on the hydrodynamic diameter during the production of nano-TiO2 is investigated. Additionally, different precursors are used in combination with ultrasound to find the optimal process conditions. The obtained data shows a significant reduction of the production time for nano-TiO2, especially when precursors with long alkoxide chains are used.
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页数：11
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