Heterogeneous Catalytic Oxidation of Ammonia by Various Transition Metals

Laan, Petrus C. M.; Franke, Mareena C.; Lent, Richard van; Juurlink, Ludo B. F.

doi:10.1021/acs.jchemed.9b00351

Cited by 6 publications

(2 citation statements)

References 17 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…One significant advantage of MS is that several masses (typically on the order of ten) can be monitored at the same time which ensures that no reactant, reaction product or a fragment thereof is being missed. This is especially important for more complex catalytic reactions like for instance ammonia oxidation, which features three competing reaction pathways and accordingly a higher number of reaction products [134]. Furthermore, MS provides a fairly high temporal resolution, probing all selected individual masses typically once per second.…”

Section: In Situ Msmentioning

confidence: 99%

High energy surface x-ray diffraction applied to model catalyst surfaces at work

Hejral

Shipilin

Gustafson

et al. 2020

J. Phys.: Condens. Matter

View full text Add to dashboard Cite

Catalysts are materials that accelerate the rate of a desired chemical reaction. As such, they constitute an integral part in many applications ranging from the production of fine chemicals in chemical industry to exhaust gas treatment in vehicles. Accordingly, it is of utmost economic interest to improve catalyst efficiency and performance, which requires an understanding of the interplay between the catalyst structure, the gas phase and the catalytic activity under realistic reaction conditions at ambient pressures and elevated temperatures. In recent years efforts have been made to increasingly develop techniques that allow for investigating model catalyst samples under conditions closer to those of real technical catalysts. One of these techniques is high energy surface x-ray diffraction (HESXRD), which uses x-rays with photon energies typically in the range of 70-80 keV. HESXRD allows a fast data collection of three dimensional reciprocal space for the structure determination of model catalyst samples under operando conditions and has since been used for the investigation of an increasing number of different model catalysts. In this article we will review general considerations of HESXRD including its working principle for different model catalyst samples and the experimental equipment required. An overview over HESXRD investigations performed in recent years will be given, and the advantages of HESXRD with respect to its application to different model catalyst samples will be presented. Moreover, the combination of HESXRD with other operando techniques such as in situ mass spectrometry, planar laser-induced fluorescence and surface optical reflectance will be discussed. The article will close with an outlook on future perspectives and applications of HESXRD.

show abstract

Section: In Situ Msmentioning

confidence: 99%

High energy surface x-ray diffraction applied to model catalyst surfaces at work

Hejral

Shipilin

Gustafson

et al. 2020

J. Phys.: Condens. Matter

View full text Add to dashboard Cite

show abstract

“…This is because O 2 in this region will be generated by the decomposition of NO 2 . Conventionally, NH 3 is converted to NO and H 2 O by catalytic oxidation with dry air [38]. This, however, requires an additional separation process to remove waste gases such as nitrogen, carbon dioxide, and a small number of other gases.…”

Section: Case Study: Nitric Acid Synthesismentioning

confidence: 99%

Optimal Pathways for Nitric Acid Synthesis Using P-Graph Attainable Region Technique (PART)

Sitoh,

Tan,

Tapia

et al. 2023

Processes

View full text Add to dashboard Cite

Developing a chemical reaction network is considered the first and most crucial step of process synthesis. Many methods have been employed for process synthesis, such as the attainable region (AR) theory. AR states that a region of all possible configurations can be defined with all the potential products and reactants. The second method is process network synthesis (PNS), a technique used to optimise a flowsheet based on the feasible materials and energy flow. P-graph is an algorithmic framework for PNS problems. P-graph attainable region technique (PART) is introduced here as an integration of both AR and P-graph to generate optimal reaction pathways for a given process. A descriptive AR plot is also developed to represent all the possible solution structures or reaction pathways. A case study of a conventional nitric acid synthesis process was used to demonstrate this technique.

show abstract

Metal-based electrocatalysts for ammonia electro-oxidation reaction to nitrate/nitrite: Past, present, and future

Tian,

Tan,

et al. 2024

Chinese Journal of Catalysis

View full text Add to dashboard Cite

Heterogeneous Catalytic Oxidation of Ammonia by Various Transition Metals

Cited by 6 publications

References 17 publications

High energy surface x-ray diffraction applied to model catalyst surfaces at work

High energy surface x-ray diffraction applied to model catalyst surfaces at work

Optimal Pathways for Nitric Acid Synthesis Using P-Graph Attainable Region Technique (PART)

Metal-based electrocatalysts for ammonia electro-oxidation reaction to nitrate/nitrite: Past, present, and future

Contact Info

Product

Resources

About