Enhanced catalytic activity and high stability of treated Pt-Ru/zeolite Y catalysts for levulinic acid hydrogenation reaction

被引：7
作者：
Al-khawlani, Amar [1 ]
Wang, Yanyun [1 ]
Bao, Jiehua [2 ]
Sheng, Xiaoli [1 ]
Abdullah, Mahmood M. S. [3 ]
Zhang, Yiwei [1 ]
Zhou, Yuming [1 ]
机构：
[1] Southeast Univ, Jiangsu Optoelect Funct Mat & Engn Res Ctr, Sch Chem & Chem Engn Nanjing, Nanjing 211189, Peoples R China
[2] Nanjing Inst Technol, Sch Mat Sci & Engn, Nanjing 211167, Peoples R China
[3] King Saud Univ, Coll Sci, Dept Chem, POB 2455, Riyadh 11451, Saudi Arabia
来源：
CATALYSIS COMMUNICATIONS | 2023年 / 183卷
基金：
中国国家自然科学基金;
关键词：
Levulinic acid; Gamma-valerolactone; Hydrogenation; Zeolite; Pt -Ru catalyst; Thermal treatment; GAMMA-VALEROLACTONE; SELECTIVE HYDROGENATION; RUTHENIUM NANOPARTICLES; ZEOLITE-Y; CONVERSION; RU; INSIGHTS; GVL;
D O I：
10.1016/j.catcom.2023.106761
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：
Bifunctional Pt-Ru/zeolite Y catalysts were prepared by ethylene glycol reduction (EGR) method, with 3 wt% of Pt and various ratios of Ru. The performance of catalysts was investigated for hydrogenation of levulinic acid (LA) to produce gamma-valerolactone (GVL). Catalysts were thermally treated in presence of NaOH and reevaluated. The results showed that the thermal treatment contributed to adjustment of bifunctional Pt-Rux/Y acidity and further improved hydrogenation activity conversion of LA up to 100% and yield of GVL up to 97.99%. It also preserved the crystal structure of zeolite and showed better thermal stability as compared to Pt/Y and Ru/Y catalysts.
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页数：12
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