Selective hydrogenation of D-mannose to D-mannitol using NiO-modified TiO2 (NiO-TiO2) supported ruthenium catalyst

被引：30

作者：

Mishra, Dinesh Kumar ^{[1
]}

Hwang, Jin-Soo ^{[1
]}

机构：

[1] KRICT, Biorefinerery Res Ctr, Taejon, South Korea

来源：

APPLIED CATALYSIS A-GENERAL | 2013年 / 453卷

关键词：

D-mannose; D-mannitol; Kinetics; Hydrogenation; Ruthenium; NiO-modified TiO2; PHASE GLUCOSE HYDROGENATION; AMORPHOUS ALLOY CATALYST; RANEY-TYPE NI; D-SORBITOL; D-FRUCTOSE; KINETICS; NICKEL; METABOLISM; REDUCTION; MUSHROOMS;

D O I：

10.1016/j.apcata.2012.11.042

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：

NiO-modified TiO2 (NiO-TiO2) supported ruthenium catalyst Ru/(NiO-TiO2) is prepared by simple impregnation method and characterized by using energy dispersive X-ray analysis (EDX/EDS), temperature-programmed reduction (TPR), inductively coupled plasma (ICP) mass spectrometry, transmission electron microscopy (TEM), X-ray powder diffraction (XRD) and CO chemisorption. The catalyst Ru/(NiO-TiO2) is evaluated in D-mannose hydrogenation and hydrogenation experiments to produce a selective product D-mannitol were carried out batch wise in a three-phase laboratory scale reactor. A tentative mechanism for reduction of D-mannose is presented. The kinetics of D-mannose hydrogenation to D-mannitol using catalyst Ru/(NiO-TiO2) was studied. The kinetic data were modeled by zero, first and second-order reaction equations. A set of four experiments was also carried out to test the deactivation of the catalyst. For affording maximum D-mannose conversion, yield and selectivity to D-mannitol, the reaction conditions are optimized. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：13 / 19

页数：7

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