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

页码：528 / 538

页数：11

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