Impact of oxygen vacancies in Ni supported mixed oxide catalysts on anisole hydrodeoxygenation

被引：23
作者：
Ali, Hadi [1 ,2 ]
Vandevyvere, Tom [2 ,3 ]
Lauwaert, Jeroen [3 ]
Kansal, Sushil Kumar [4 ]
Saravanamurugan, Shunmugavel [1 ]
Thybaut, Joris W. [2 ]
机构：
[1] Ctr Innovat & Appl Bioproc, Lab Bioprod Chem, Sect 81 Knowledge City, Mohali 140306, Punjab, India
[2] Univ Ghent, Lab Chem Technol LCT, Technol Pk 125, B-9052 Ghent, Belgium
[3] Ind Catalysis & Adsorpt Technol INCAT, Valentin Vaerwyckweg 1, B-9000 Ghent, Belgium
[4] Panjab Univ, Dept Chem Engn & Technol, Chandigarh 160014, India
来源：
CATALYSIS COMMUNICATIONS | 2022年 / 164卷
关键词：
Hydrodeoxygenation; Anisole; Benzene; Oxophilic sites; Oxygen vacancy sites; Nickel; Zirconium oxide; M-CRESOL; SELECTIVE HYDRODEOXYGENATION; BIO-OIL; LIGNIN; OXOPHILICITY; CONVERSION; REDUCTION; PHENOLS; BIOMASS; PHASE;
D O I：
10.1016/j.catcom.2022.106436
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The hydrodeoxygenation (HDO) activity of anisole has been investigated over Ni catalysts on mixed metal oxide supports containing Nb-Zr and Ti-Zr in 1:1 and 1:4 ratios. XRD patterns indicate the incorporation of Ti (or Nb) into the ZrO2 framework. XPS and oxygen pulse chemisorption analyses reveal that Ni/Ti1Zr4 and Ni/Nb1Zr4 possessed more oxygen vacancy sites than Ni/Ti1Zr1 and Ni/Nb1Zr1, respectively. Correspondingly, the HDO activity of Ni/Ti1Zr4 and Ni/Nb1Zr4 was higher with an anisole conversion up to 30.7 and 34.4%, with high selectivity towards benzene (up to 64.7 and 63.3%), compared to corresponding Ni/Ti1Zr1 and Ni/Nb1Zr1 catalysts.
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页数：5
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