Citation: Shou Xin LIU, Xiao Yun CHEN, Xi CHEN, Cheng Lin SUN. A Novel High Active TiO₂/AC Composite Photocatalyst Prepared by Acid Catalyzed Hydrothermal Method[J]. Chinese Chemical Letters, ;2006, 17(4): 529-532. shu

A Novel High Active TiO₂/AC Composite Photocatalyst Prepared by Acid Catalyzed Hydrothermal Method

1.
Northeast Forestry University, Harbin 150040;
2.
Dalian Institute of Chemical Physics, The Chinese Academy of Sciences, Dalian 116023

Received Date: 22 August 2005

Fund Project: This project was financially supported by Specialized Research Fund for the Doctoral Program of Higher Education (No. 20050225006) and the National Natural Science Foundation of China (No. 30400339).

A high active novel TiO₂/AC composite photocatalyst was prepared and used for phenol degradation. It was much more active than P-25 and exhibiting good decantability, less deactivation after several runs and less sensitive to pH change. Diffuse reflectance spectra (DRS)revealed that the electronic change in TiO₂ did not occur by the addition of AC. Results of SEM and XRD suggested that better TiO₂ distribution can be achieved when optimal AC content was adopted. The performance of the prepared TiO₂/5AC catalyst revealed great practical potential in wastewater treatment field.
- TiO₂,
- activated carbon,
- composite photocatalyst,
- practical efficiency
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