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Citation: LIAO De-Zhong. The Catalytic Activity of Titanium Sulfate in Ketalization and Esterificatio[J]. Chinese Journal of Applied Chemistry, ;2003, 20(4): 403-405. shu

The Catalytic Activity of Titanium Sulfate in Ketalization and Esterificatio

LIAO De-Zhong ^,

1.
Department of Chemical Engineering, Yueyang Normal College, Yueyang 414000

Corresponding author: LIAO De-Zhong,
Received Date: 18 September 2002
Available Online: 3 December 2002

The titanium sulfate catalyst was prepared by calcination at 400~500℃.IR spectra of pyridine adsorption showed the presence of Brönsted acid sites on its surface.The catalysts had good activity in ketalization between cyclohexanone and 1,2-propanediol with yield being 89% in reaction conditions:molar ratio of cyclohexanone to 1,2-propanediol 1:1.3,catalyst amount 4% based on the mass of cyclohexanone,140℃ and 50~75 min.In esterification of succinic acid with butanol the yield of dibutyl succinate was 97%.The catalyst could be reused through regeneration.
- titanium sulfate,
- calcination,
- cyclohexanone ketal,
- dibutyl succinate,
- catalytic activity
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