Photodegradation of benzothiazole ionic liquids catalyzed by titanium dioxide and silver-loaded titanium dioxide

Jinghang Li; Huimin Zang; Shun Yao; Zicheng Li; Hang Song

doi:10.1016/j.cjche.2020.02.006

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Photodegradation of benzothiazole ionic liquids catalyzed by titanium dioxide and silver-loaded titanium dioxide

Energy, Resources and Environmental Technology | Updated：2026-01-06

- Photodegradation of benzothiazole ionic liquids catalyzed by titanium dioxide and silver-loaded titanium dioxide
- Chinese Journal of Chemical Engineering Vol. 28, Issue 5, Pages: 1397-1404(2020)
- Affiliations：
  
  School of Chemical Engineering, Sichuan University,Chengdu,China,610065
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2020.02.006
  CLC：
- Published：2020
- Accepted：
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Jinghang Li, Huimin Zang, Shun Yao, Zicheng Li, Hang Song. Photodegradation of benzothiazole ionic liquids catalyzed by titanium dioxide and silver-loaded titanium dioxide[J]. Chinese Journal of Chemical Engineering, 2020, 28(5): 1397-1404.
DOI：

Jinghang Li, Huimin Zang, Shun Yao, Zicheng Li, Hang Song. Photodegradation of benzothiazole ionic liquids catalyzed by titanium dioxide and silver-loaded titanium dioxide[J]. Chinese Journal of Chemical Engineering, 2020, 28(5): 1397-1404. DOI： 10.1016/j.cjche.2020.02.006.

摘要

Abstract

In recent years

ionic liquids (ILs) have been widely used in extraction

synthesis

electrochemistry and other fields. Meanwhile

the environmental impact of ILs has been attracting a lot of attention

and eco-friendly treatment for ILs is becoming a necessary subject. In this study

photocatalytic degradations of benzothiazole ILs catalyzed by titanium dioxide (TiO

) and silver-loaded titanium dioxide (Ag/TiO

) were studied for the first time. The degradation of benzothiazole hexafluorophosphate ([C

Bth

]

) could reach more than 99% within 240 min with the catalysis of TiO

. To improve catalytic efficiency

Ag/TiO

was synthesized and characterized by UV-Vis diffuse reflectance absorption spectra (DRS) and X-ray photoelectron spectroscopy (XPS). The degradation of[C

Bth

]

could reach more than 99% within 120 min in the degradation catalyzed by Ag/TiO

. The photodegradation products of benzothiazole ILs are composed of inorganic substances or organic substances with simpler structures

which are easier to decompose and less toxic. The degradation syste

m proposed by this study could provide a simple

green

safe

and economical method for the efficient treatment of benzothiazole ILs.

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Related Institution

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