Preparation and Characterization of Tungsten-substituted Molybdophosphoric Acids and Catalytic Cyclodehydration of 1,4-Butanediol to Tetrahydrofuran

吴慧雄; 周梅; 屈一新; 李海霞; 殷恒波

doi:10.1016/S1004-9541(08)60194-9

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Preparation and Characterization of Tungsten-substituted Molybdophosphoric Acids and Catalytic Cyclodehydration of 1,4-Butanediol to Tetrahydrofuran

评述 | Updated：2026-01-06

- Preparation and Characterization of Tungsten-substituted Molybdophosphoric Acids and Catalytic Cyclodehydration of 1,4-Butanediol to Tetrahydrofuran
- Chinese Journal of Chemical Engineering Vol. 17, Issue 2, Pages: 200-206(2009)
- Affiliations：
  
  Faculty of Chemistry and Chemical Engineering, Jiangsu University,Zhenjiang,China,212013
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(08)60194-9
  CLC：
- Published：2009
- Accepted：
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WU Huixiong, ZHOU Mei, QU Yixin, LI Haixia, YIN Hengbo. Preparation and Characterization of Tungsten-substituted Molybdophosphoric Acids and Catalytic Cyclodehydration of 1,4-Butanediol to Tetrahydrofuran[J]. Chin.J.Chem.Eng., 2009, 17(2): 200-206.
DOI：

WU Huixiong, ZHOU Mei, QU Yixin, LI Haixia, YIN Hengbo. Preparation and Characterization of Tungsten-substituted Molybdophosphoric Acids and Catalytic Cyclodehydration of 1,4-Butanediol to Tetrahydrofuran[J]. Chin.J.Chem.Eng., 2009, 17(2): 200-206. DOI： 10.1016/S1004-9541(08)60194-9.

摘要

Abstract

A series of tungsten-substituted molybdophosphoric acids(H

PMo

12-n

WnO

·xH

O) were synthesized and characterized by inductive coupled plasma atomic emission spectroscopy(ICPAES)

thermal gravimetry and differential scanning calorimetry(TG-DSC)

Fourier transform infrared spectroscopy(FTIR)

X-ray diffraction(XRD)

and FTIR pyridine adsorption.The as-prepared heteropoly acids have a Keggin type structure.The synthesis of tetrahydrofuran by reactive distillation and cyclodehydration of 1

4-butanediol was studied using the tungsten-substituted molybdophosphoric acids as catalysts.The results of catalytic test indicated that the catalytic activity increased with the increase in the substitution number(n) of tungsten atom in H

PMo

12-n

WnO

·xH

O and was constant as the substitution number(n) was more than 8.The catalytic activity increased with the increase in the catalyst loading and the selectivity of tetrahydrofuran was nearly 100%.

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