Effect of Calcination Temperature and Support Type of Pt/WOx/boehmite Catalyst on 1,3-propanediol Production from Hydrogenolysis of Glycerol

2019 International Conference on Smart Materials Applications

Uttraporn, P.^1 ; Praserthdam, P.^1

Center of Excellence on Catalysis and Catalytic Reaction Engineering, Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Phyathai Road, Patumwan, Bangkok

10330, Thailand^1

关键词: 1 ,3 propanediol;    Bronsted acid sites;    Bronsted acidity;    Calcination temperature;    Glycerol conversions;    Mild reaction conditions;    Support types;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/559/1/012012/pdf
DOI  :  10.1088/1757-899X/559/1/012012

来源: IOP

【 摘 要 】

Hydrogenolysis of glycerol to 1,3-PDO was tested over different catalysts. To enhance 1,3-PDO selectivity, our work raised the calcination temperature from 800 °C to 900 °C that promoted Bronsted acidity, glycerol conversion and 1,3-PDO selectivity under the mild reaction condition (140 °C, 0.5 MPa). Glycerol conversion gradually raised from 32.8% to 36.6% and 1,3-PdO selectivity mildly increased from 18.2% to 21.2%. The loading of SiO2 into Pt/WOx/γ-Al2O3 had extremely favourable effects on 1,3-PDO selectivity because the amount of Bronsted acid sites increased significantly as confirmed by NH3-IR.