Ruthenium Catalysts on Zr- SBA-15 and Nb/Zr- SBA-15 Supports for Xylose Hydrogenation

被引：0
|
作者：
Golubkov, Viktor A. [1 ,2 ]
Zaitseva, Yulia N. [1 ]
Sychev, Valentin V.
Eremina, Anna O. [1 ]
Kirik, Sergei D. [1 ,2 ]
Novikova, Svetlana A. [1 ]
Litvintseva, Kseniya A. [3 ]
Taran, Oxana P. [1 ,2 ,3 ]
机构：
[1] Fed Res Ctr Krasnoyarsk Sci Ctr SB RAS, Inst Chem & Chem Technol SB RAS, Krasnoyarsk, Russia
[2] Siberian Fed Univ, Krasnoyarsk, Russia
[3] Fed Res Ctr Boreskov Inst Catalysis SB RAS, Novosibirsk, Russia
来源：
JOURNAL OF SIBERIAN FEDERAL UNIVERSITY-CHEMISTRY | 2024年 / 17卷 / 04期
基金：
俄罗斯科学基金会;
关键词：
SBA-15; silica; mesoporous; mesostructure; ruthenium; niobium oxide; xylose; ZRO2-CONTAINING CATALYSTS; GLUCOSE; ACID;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A novel Ru- catalysts based on niobia modified Zr- SBA-15 were developed for xylose to xylitol hydrogenation. The catalysts showed excellent activity and selectivity in the process at temperature as low as 70 degrees C providing 93 % conversion and >98 % selectivity within 90 min. As shown by the catalysts reduction (TPR-H2) and low angle X-ray diffraction, niobium oxide has a strong interaction with the deposited ruthenium. This causes a slight decrease of the initial reaction rate of xylose hydrogenation. However, modification of Zr- SBA-15 with niobia drastically improves the acidic properties required for a potential use of the developed catalyst in one- pot hydrolysis- hydrogenation processing of plant polysaccharides into polyols, which will be the focus of a future research.
引用
收藏
页码：528 / 538
页数：11
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