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.

引用

页数：12

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