Novel Pd/CeO2 and Pd-NiO/CeO2 nanocomposites' catalytic activity in glycerol oxidation processes

被引：0

作者：

Sile, Elina ^{[1
]}

Chornaja, Svetlana ^{[1
]}

Serga, Vera ^{[2
]}

Lulle, Ilze ^{[1
]}

Zhizhkuna, Svetlana ^{[1
]}

Dubencov, Konstantin ^{[1
]}

Krumina, Aija ^{[2
]}

机构：

[1] Riga Tech Univ, Inst Appl Chem, Fac Mat Sci & Appl Chem, Paula Valdena St 3, LV-1048 Riga, Latvia

[2] Riga Tech Univ, Inst Inorgan Chem, Fac Mat Sci & Appl Chem, Paula Valdena St 3, LV-1048 Riga, Latvia

来源：

PROCEEDINGS OF THE ESTONIAN ACADEMY OF SCIENCES | 2017年 / 66卷 / 04期

关键词：

catalysis; oxidation; glycerol; nanocomposites; supported catalysts; SELECTIVE OXIDATION; ALCOHOL OXIDATION; AU; PD; PLATINUM; COPPER; GOLD;

D O I：

10.3176/proc.2017.4.06

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

In this work novel Pd supported on cerium oxide nanocomposites in the liquid phase glycerol oxidation with molecular oxygen was studied. Pd/CeO2 and Pd-NiO/CeO2 composites with different Pd loading were prepared using the extractive-pyrolytic method. In the glycerol oxidation processes it was found that Pd/CeO2 and Pd-NiO/CeO2 composites are catalytically active. Besides, NiO additives can significantly increase Pd/CeO2 catalysts' activity and selectivity to the main product - glyceric acid. Several glycerol oxidation parameters like NaOH initial concentration, glycerol/Pd molar ratio, oxygen pressure and temperature were varied. The best yield of glyceric acid reached 71-75 mol% with full glycerol conversion.

引用

页码：486 / 492

页数：7

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