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
收藏
页码：486 / 492
页数：7
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