Sulfated Zirconia Modified SBA-15 Catalysts for Cellobiose Hydrolysis

被引：55

作者：

Degirmenci, Volkan ^{[1
,2
]}

Uner, Deniz ^{[2
]}

Cinlar, Basak ^{[3
]}

Shanks, Brent H. ^{[3
]}

Yilmaz, Aysen ^{[4
]}

van Santen, Rutger A. ^{[1
]}

Hensen, Emiel J. M. ^{[1
]}

机构：

[1] Eindhoven Univ Technol, Schuit Inst Catalysis, NL-5600 MB Eindhoven, Netherlands

[2] Middle E Tech Univ, Dept Chem Engn, TR-06531 Ankara, Turkey

[3] Iowa State Univ, Dept Chem & Biol Engn, Ames, IA 50011 USA

[4] Middle E Tech Univ, Dept Chem, TR-06531 Ankara, Turkey

来源：

CATALYSIS LETTERS | 2011年 / 141卷 / 01期

基金：

美国国家科学基金会;

关键词：

Sulfated zirconia; Mesoporous; SBA-15; Cellobiose; Hydrolysis; Biomass; MESOPOROUS SILICA; ACID SITES; ETHANOL; CELLULOSE; SURFACE; ADSORPTION; CONVERSION; COPOLYMER; STRENGTH; TRIBLOCK;

D O I：

10.1007/s10562-010-0466-1

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：

Zirconia modified SBA-15 becomes a very active catalyst for the selective hydrolysis of cellobiose to glucose after sulfation. Spectroscopic investigations indicate the presence of Bronsted acid sites with similar properties to those present in conventional sulfated zirconia. Indications are found that the sulfate groups attached to zirconia interact with silanol groups of SBA-15. The catalytic activity in cellobiose hydrolysis correlates well with results for temperature-programmed decomposition of i-propylamine for a range of sulfated ZrO2/SBA-15 catalysts. A glucose yield of 60% during cellobiose hydrolysis at a reaction time of 90 min at 160 degrees C is obtained.

引用

页码：33 / 42

页数：10

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