Niobic acid nanoparticle catalysts for the aqueous phase transformation of glucose and fructose to 5-hydroxymethylfurfural

被引：31

作者：

Reche, Mariano Tapia ^{[1
]}

Osatiashtiani, Amin ^{[1
]}

Durndell, Lee J. ^{[1
]}

Isaacs, Mark A. ^{[1
]}

Silva, Angela ^{[2
]}

Lee, Adam F. ^{[1
]}

Wilson, Karen ^{[1
]}

机构：

[1] Aston Univ, European Bioenergy Res Inst, Birmingham B4 7ET, W Midlands, England

[2] Univ Fed Parana UFPR, Dept Quim, Lab Bioinorgan & Catalise, CP 19081, BR-81531990 Curitiba, Parana, Brazil

来源：

CATALYSIS SCIENCE & TECHNOLOGY | 2016年 / 6卷 / 19期

基金：

英国工程与自然科学研究理事会;

关键词：

CONVERSION; DEHYDRATION; OXIDE; BIOMASS; SUCROSE; SILICA; WATER; HMF; EFFICIENT; SITES;

D O I：

10.1039/c6cy01129b

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：

A family of bulk and SBA-15 supported peroxo niobic acid sols were prepared by peptisation of niobic acid precipitates with H2O2 as heterogeneous catalysts for aqueous phase glucose and fructose conversion to 5-hydroxymethylfurfural (5-HMF). Niobic acid nanoparticles possess a high density of Bronsted and Lewis acid sites, conferring good activity towards glucose and fructose conversion, albeit with modest 5-HMF yields under mild reaction conditions (100 degrees C). Thermally-induced niobia crystallisation suppresses solid acidity and activity. Nanoparticulate niobic acid dispersed over SBA-15 exhibits pure Bronsted acidity and an enhanced Turnover Frequency for fructose dehydration.

引用

页码：7334 / 7341

页数：8

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