Hydrocarboxylation of alkynes with formic acid over multifunctional ligand modified Pd-catalyst with co-catalytic effect

2021 ◽  
Author(s):  
Lei Liu ◽  
Yin-Qing Yao ◽  
Xiao-Chao Chen ◽  
Lin Guo ◽  
Yong Lu ◽  
...  
Keyword(s):  
Formic Acid ◽  
Catalytic Effect ◽  
Pd Catalyst ◽  
Multifunctional Ligand

scholarly journals Catalytic Hydrodechlorination of Chlorophenols in a Continuous Flow Pd/CNT-Ni Foam Micro Reactor Using Formic Acid as a Hydrogen Source

Catalysts ◽  
2019 ◽  
Vol 9 (1) ◽  
pp. 77 ◽  
Author(s):  
Jun Xiong ◽  
Ying Ma
Keyword(s):  
Catalytic Activity ◽  
Formic Acid ◽  
Continuous Flow ◽  
Catalyst Surface ◽  
Reactor System ◽  
Packed Bed Reactor ◽  
Pd Catalyst ◽  
Ni Foam ◽  
Catalytic Hydrodechlorination ◽  
Micro Reactor

Catalytic hydrodechlorination (HDC) has been considered as a promising method for the treatment of wastewater containing chlorinated organic pollutants. A continuous flow Pd/carbon nanotube (CNT)-Ni foam micro reactor system was first developed for the rapid and highly efficient HDC with formic acid (FA) as a hydrogen source. This micro reactor system, exhibiting a higher catalytic activity of HDC than the conventional packed bed reactor, reduced the residence time and formic acid consumption significantly. The desired outcomes (dichlorination >99.9%, 4-chlorophenol outlet concentration <0.1 mg/L) can be obtained under a very low FA/substrate molar ratio (5:1) and short reaction cycle (3 min). Field emission scanning electron microcopy (FESEM) and deactivation experiment results indicated that the accumulation of phenol (the main product during the HDC of chlorophenols) on the Pd catalyst surface can be the main factor for the long-term deactivation of the Pd/CNT-Ni foam micro reactor. The catalytic activity deactivation of the micro reactor could be almost completely regenerated by the efficient removal of the absorbed phenol from the Pd catalyst surface.

Three-dimensional crumpled graphene as an electro-catalyst support for formic acid electro-oxidation

2016 ◽  
Vol 4 (12) ◽  
pp. 4587-4591 ◽  
Author(s):  
Yang Zhou ◽  
Xian-Chao Hu ◽  
Qizhe Fan ◽  
He-Rui Wen
Keyword(s):  
Graphene Oxide ◽  
Formic Acid ◽  
Catalyst Support ◽  
Three Dimensional ◽  
Pd Catalyst ◽  
Support Material ◽  
Drying Method ◽  
Excellent Activity ◽  
Electro Oxidation ◽  
Crumpled Graphene

Three-dimensional crumpled graphene (PRGO) was synthesized from graphene oxide (GO) solution by the spay drying method and employed as the support material for the Pd catalyst. Compared with the commercial Pd/C and Pd/RGO catalysts, the as-prepared Pd/PRGO catalyst exhibits excellent activity and stability towards formic acid electrooxidation.

Poisoning and regeneration of Pd catalyst in direct formic acid fuel cell

2010 ◽  
Vol 55 (17) ◽  
pp. 5024-5027 ◽  
Author(s):  
Yi Zhou ◽  
Jianguo Liu ◽  
Jilei Ye ◽  
Zhigang Zou ◽  
Jinhua Ye ◽  
...  
Keyword(s):  
Fuel Cell ◽  
Formic Acid ◽  
Pd Catalyst

A highly active and stable palladium catalyst on a g-C3N4 support for direct formic acid synthesis under neutral conditions

2016 ◽  
Vol 52 (99) ◽  
pp. 14302-14305 ◽  
Author(s):  
Hunmin Park ◽  
Ju Hyung Lee ◽  
Eun Hyup Kim ◽  
Kwang Young Kim ◽  
Yo Han Choi ◽  
...  
Keyword(s):  
Formic Acid ◽  
Palladium Catalyst ◽  
Carbon Nitride ◽  
Acid Synthesis ◽  
Graphitic Carbon ◽  
Graphitic Carbon Nitride ◽  
Pd Catalyst ◽  
Highly Active ◽  
Neutral Conditions

Graphitic carbon nitride (g-C3N4) is applied as a support of the Pd catalyst for direct HCOOH synthesis by CO2 hydrogenation under neutral conditions.

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