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Citation: WU Ying, FAN Chong-Zheng, SI Jing-Yu. Photocatalytic Degradation of Polyethylene Glycol with TiO₂ Nanoparticles[J]. Chinese Journal of Applied Chemistry, ;2005, 22(11): 1253-1257. shu

Photocatalytic Degradation of Polyethylene Glycol with TiO₂ Nanoparticles

1.
a Department of Chemical and Material Engineering, Hefei University, Hefei 230022;
2.
b Department of Chemical Physics, University of Science and Technology of China, Hefei

Corresponding author: WU Ying,
Received Date: 6 December 2004
Available Online: 30 May 2005
Fund Project: 合肥学院科学研究发展基金资助项目(05ky018zr) (05ky018zr)

The photocatalytic degradation of polyethylene glycol(PEG) with TiO₂ nanoparticles as the photocatalyst was investigated.The fact that the amount of CO₂ and the concentration of residue varied with reaction time indicates that it is a reaction of zero order and the degradation rate of PEG is negatively proportional to the average molecular weight of PEG.TGA and NMR results show that low molecular weight PEG,esters and other intermediates were produced during the degradation reaction.PEG was finally mineralized to CO₂ and(H₂O).
- TiO₂ nanoparticles,
- photocatalysis,
- polyethylene glycol
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Photocatalytic Degradation of Polyethylene Glycol with TiO₂ Nanoparticles