Application of in situ catalyst potential measurements for estimation of reaction performance:: Lactose oxidation over Au and Pd catalysts

被引：33

作者：

Tokarev, A. V.

Murzina, E. V.

Mikkola, J. P.

Kuusisto, J.

Kustov, L. M.

Murzin, D. Yu.

机构：

[1] Abo Akad Univ, Proc Chem Ctr, FIN-20500 Turku, Finland

[2] Moscow MV Lomonosov State Univ, Dept Chem, Moscow 119992, Russia

来源：

CHEMICAL ENGINEERING JOURNAL | 2007年 / 134卷 / 1-3期

关键词：

aerobic D-lactose oxidation; lactobionic acid; high precision liquid chromatography; catalyst redox potential; deactivation; 2-keto-lactobionic acid; lactulose; Au; Pd; catalysis;

D O I：

10.1016/j.cej.2007.03.056

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Gold and palladium catalysts were successfully applied in aerobic D-lactose oxidation. Comparison between these catalysts revealed, that gold catalysts are more active and selective for the production of the first reaction product, lactobionic acid, while Pd can be of importance when the product of second consecutive reaction, 2-keto-lactobionic acid is aimed at. The electrochemical catalyst potential response was measured in situ applied for characterization of processes on the catalyst surfaces. Several reaction parameters were varied to study possibilities to predict catalyst deactivation from the measured catalyst potential. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：153 / 161

页数：9

共 18 条

[1] Selective chemo-catalytic oxidation of lactose and/of lactobionic acid towards 1-carboxylactulose (2-keto-lactobionic acid) [J].