ChemInform Abstract: Recent Developments in the Catalytic Hydrogenation of CO2to Formic Acid/Formate Using Heterogeneous Catalysts

ChemInform ◽  
2016 ◽  
Vol 47 (35) ◽  
Author(s):  
Gunniya Hariyanandam Gunasekar ◽  
Kwangho Park ◽  
Kwang-Deog Jung ◽  
Sungho Yoon
Keyword(s):  
Formic Acid ◽  
Catalytic Hydrogenation ◽  
Heterogeneous Catalysts ◽  
Recent Developments

Recent developments in the catalytic hydrogenation of CO2 to formic acid/formate using heterogeneous catalysts

2016 ◽  
Vol 3 (7) ◽  
pp. 882-895 ◽  
Author(s):  
Gunniya Hariyanandam Gunasekar ◽  
Kwangho Park ◽  
Kwang-Deog Jung ◽  
Sungho Yoon
Keyword(s):  
Formic Acid ◽  
Catalytic Hydrogenation ◽  
Heterogeneous Catalysts ◽  
Hydrogenation Of Co2 ◽  
Recent Developments ◽  
Recent Trends ◽  
Heterogeneous Hydrogenation ◽  
Hydrogenation Of Co

This review highlights the recent trends in the heterogeneous hydrogenation of CO2 to formic acid/formate.

Heterogeneous System in Organic Synthesis: A Review

2020 ◽  
Vol 17 (6) ◽  
pp. 740-753
Author(s):  
Bishwajit Changmai ◽  
Gunindra Pathak ◽  
Jasha Momo H. Anal ◽  
Lalthazuala Rokhum
Keyword(s):  
Organic Synthesis ◽  
Heterogeneous System ◽  
Heterogeneous Catalysts ◽  
Solid Phase Synthesis ◽  
Solid Phase ◽  
Environmentally Friendly ◽  
Henry Reaction ◽  
Phase Synthesis ◽  
Recent Developments ◽  
Recovery And Reuse

Due to its inherent advantages such as easy recovery and reuse of the catalysts/ reagents, and environmentally friendly nature, the heterogeneous system has gain popularity in the realm of organic synthesis. In recent years, several chemically or biologically potent molecules are achieved through heterogeneous synthesis strategies. By recalling some of the classical fundamentals of the heterogeneous system in important organic synthesis, this mini-review outlines the recent developments in the applications heterogeneous catalysts and reagents; particularly in the solid phase synthesis, esterification and transesterification reactions to produce biodiesel, and Henry reaction.

scholarly journals A brief review on the reaction mechanisms of CO2 hydrogenation into methanol

2020 ◽  
Vol 3 (2) ◽  
pp. 33-40
Author(s):  
Jawed Qaderi
Keyword(s):  
Catalytic Hydrogenation ◽  
Density Functional ◽  
Heterogeneous Catalysts ◽  
Catalytic Reduction ◽  
Kinetic Monte Carlo ◽  
Low Cost ◽  
Hydrogenation Of Co2 ◽  
Fuel Prices ◽  
Metal Metal ◽  
Reduction Of Co2

The catalytic reduction of CO2 to methanol is an appealing option to reduce greenhouse gas concentration as well as renewable energy production. In addition, the exhaustion of fossil fuel, increase in earth temperature and sharp increases in fuel prices are the main driving factor for exploring the synthesis of methanol by hydrogenating CO2. Many studies on the catalytic hydrogenation of CO2 to methanol were published in the literature over the last few decades. Many of the studies have presented different catalysts having high stability, higher performance, low cost, and are immediately required to promote conversion. Understanding the mechanisms involved in the conversion of CO2 is essential as the first step towards creating these catalysts. This review briefly summarizes recent theoretical developments in mechanistic studies focused on using density functional theory, kinetic Monte Carlo simulations, and microkinetics modeling. Based on these simulation techniques on different transition metals, metal/metal oxide, and other heterogeneous catalysts surfaces, mainly, three important mechanisms that have been recommended are the formate (HCOO), reverse water–gas shift (RWGS), and trans-COOH mechanisms. Recent experimental and theoretical efforts appear to demonstrate that the formate route in which the main intermediate species is H2CO* in the reaction route, is more favorable in catalytic hydrogenation of CO2 to chemical fuels in various temperature and pressure conditions.

Recent developments in the synthesis of polysubstituted pyridines via multicomponent reactions using nanocatalysts

2021 ◽  
Author(s):  
Fatemeh Majidi Arlan ◽  
Ahmad Poursattar Marjani ◽  
Ramin Javahershenas ◽  
Jabbar Khalafy
Keyword(s):  
Multicomponent Reactions ◽  
Heterogeneous Catalysts ◽  
Pyridine Derivatives ◽  
Active Metal ◽  
Recent Developments

This review describes the evolution and application of active metal-based and heterometallic NPs as efficient heterogeneous catalysts for the synthesis of pyridine derivatives by multicomponent reactions in the last decade (2010–2020).

scholarly journals Recent developments in methane decomposition over heterogeneous catalysts: an overview

2020 ◽  
Vol 9 (2) ◽  
Author(s):  
Nur Shamimie Nadzwin Hasnan ◽  
Sharifah Najiha Timmiati ◽  
Kean Long Lim ◽  
Zahira Yaakob ◽  
Nur Hidayatul Nazirah Kamaruddin ◽  
...  
Keyword(s):  
Heterogeneous Catalysts ◽  
Methane Decomposition ◽  
Recent Developments

In situ FT-IR Investigation of Formic Acid Adsorption on Reduced and Reoxidized Copper Catalysts

1994 ◽  
Vol 48 (7) ◽  
pp. 827-832 ◽  
Author(s):  
Graeme J. Millar ◽  
David Newton ◽  
Graham A. Bowmaker ◽  
Ralph P. Cooney
Keyword(s):  
Activation Energy ◽  
Formic Acid ◽  
Maximum Rate ◽  
Heterogeneous Catalysts ◽  
Copper Catalyst ◽  
Copper Catalysts ◽  
Copper Surface ◽  
Desorption Activation Energy ◽  
Ft Ir

An in situ infrared cell capable of studying reactions over heterogeneous catalysts in the temperature range 77 to 773 K has been designed. In particular, the adsorption of formic acid on a model Cu/SiO2 methanol synthesis catalyst was investigated. Exposure of a reduced copper surface to formic acid at 300 K resulted in the formation of both formic acid molecules, which were ligated to the copper catalyst, and chemisorbed bidentate copper formate species. Under temperature-programming conditions, the bidentate species displayed a maximum rate of desorption at 433 K, which correlates to a desorption activation energy of 120 kJ mol−1. In contrast, on the reoxidized catalyst, unidentate formate species were preferentially formed. These exhibited a maximum rate of desorption at a temperature of 408 K, and a desorption activation energy of 113 kJ mol−1. A mechanism was postulated to explain this behavior, and evidence was presented to show that useful kinetic data can be obtained for desorption from a catalyst in the form of a pressed disk.

scholarly journals Hydrogenation of CO2 to formic acid with iridiumIII(bisMETAMORPhos)(hydride): the role of a dormant fac-IrIII(trihydride) and an active trans-IrIII(dihydride) species

2016 ◽  
Vol 6 (2) ◽  
pp. 404-408 ◽  
Author(s):  
S. Oldenhof ◽  
J. I. van der Vlugt ◽  
J. N. H. Reek
Keyword(s):  
Formic Acid ◽  
Catalytic Hydrogenation ◽  
Hydrogenation Of Co2 ◽  
Hydrogenation Of Co

Catalytic hydrogenation of CO2 to formate with an IrIII(METAMORPhos) complex in the presence of DBU requires a trans-dihydride for catalytic turnover, with an off-cycle trihydride as the dormant species.

Advanced Electron Microscopy Characterization of Nanostructured Heterogeneous Catalysts

2004 ◽  
Vol 10 (1) ◽  
pp. 55-76 ◽  
Author(s):  
Jingyue Liu
Keyword(s):  
Electron Microscopy ◽  
Heterogeneous Catalysis ◽  
Heterogeneous Catalysts ◽  
Nanostructured Catalysts ◽  
Catalyst Characterization ◽  
Challenges And Opportunities ◽  
Recent Developments ◽  
Microscopy Characterization ◽  
Microscopy Techniques

Heterogeneous catalysis is one of the oldest nanosciences. Although model catalysts can be designed, synthesized, and, to a certain degree, characterized, industrial heterogeneous catalysts are often chemically and physically complex systems that have been developed through many years of catalytic art, technology, and science. The preparation of commercial catalysts is generally not well controlled and is often based on accumulated experiences. Catalyst characterization is thus critical to developing new catalysts with better activity, selectivity, and/or stability. Advanced electron microscopy, among many characterization techniques, can provide useful information for the fundamental understanding of heterogeneous catalysis and for guiding the development of industrial catalysts. In this article, we discuss the recent developments in applying advanced electron microscopy techniques to characterizing model and industrial heterogeneous catalysts. The importance of understanding the catalyst nanostructure and the challenges and opportunities of advanced electron microscopy in developing nanostructured catalysts are also discussed.

scholarly journals Metal Organic Frameworks as Heterogeneous Catalysts in Olefin Epoxidation and Carbon Dioxide Cycloaddition

Inorganics ◽  
2021 ◽  
Vol 9 (11) ◽  
pp. 81
Author(s):  
Alessia Tombesi ◽  
Claudio Pettinari
Keyword(s):  
Carbon Dioxide ◽  
Coordination Polymers ◽  
Heterogeneous Catalysts ◽  
Metal Organic Frameworks ◽  
Metal Species ◽  
Olefin Epoxidation ◽  
Crystalline Materials ◽  
Recent Developments ◽  
Metal Organic ◽  
New Research

Metal–organic frameworks (MOFs) are a family of porous crystalline materials that serve in some cases as versatile platforms for catalysis. In this review, we overview the recent developments about the use of these species as heterogeneous catalysts in olefin epoxidation and carbon dioxide cycloaddition. We report the most important results obtained in this field relating them to the presence of specific organic linkers, metal nodes or clusters and mixed-metal species. Recent advances obtained with MOF nanocomposites were also described. Finally we compare the results and summarize the major insights in specific Tables, outlining the major challenges for this emerging field. This work could promote new research aimed at producing coordination polymers and MOFs able to catalyse a broader range of CO2 consuming reactions.

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