Results 21 to 30 of about 31,484 (198)

Looking for Options to Sustainably Fixate Nitrogen. Are Molecular Metal Oxides Catalysts a Viable Avenue?

Frontiers in Chemistry, 2021
Fast and reliable industrial production of ammonia (NH3) is fundamentally sustaining modern society. Since the early 20th Century, NH3 has been synthesized via the Haber–Bosch process, running at conditions of around 350–500°C and 100–200 times ...
Rebeca González-Cabaleiro, Jake A. Thompson, Laia Vilà-Nadal   +2 more
doaj   +1 more source

Poisoning of ammonia synthesis catalyst considering off-design feed compositions [PDF]

, 2020
Activity of ammonia synthesis catalyst in the Haber-Bosch process is studied for the case of feeding the process with intermittent and impurity containing hydrogen stream from water electrolysis.
Krewer, Ulrike, Moghaddam, A. A.
core   +2 more sources

Modeling and Simulation of a Novel Sustainable Ammonia Production Process From Food Waste and Brown Water

Frontiers in Energy Research, 2021
Global demand for both clean energy carriers and agricultural nutrients continues to grow rapidly, alongside increasing quantities of waste globally, interlinked challenges that may be addressed with interlinked solutions.
Seyedehhoma Ghavam, Caroline M. Taylor, Peter Styring   +2 more
doaj   +1 more source

Electrical and catalytic properties of some oxides with the fluorite or pyrochlore structure: Part 2: Catalytic oxidation of carbon monoxide [PDF]

, 1984
The catalytic properties of mixed oxides with the fluorite or pyrochlore structure were investigated using CO oxidation. The presence of ions with a variable valence state, the size of the ions and especially the extent of pyrochlore ordering affect ...
Bosch, H., Burggraaf, A.J., Dijk, M.P. van, Gellings, P.J., Maat, J.J.H. ter, Roelofs, G., Velde, G.M.H. van de   +6 more
core   +9 more sources

Ambient ammonia synthesis via palladium-catalyzed electrohydrogenation of dinitrogen at low overpotential

Nature Communications, 2018
The Haber-Bosch process, producing NH3 from N2, is a crucial yet energetically demanding reaction, inspiring interest in the exploration of ambient-condition alternatives.
Jun Wang, Liang Yu, Lin Hu, Gang Chen, Hongliang Xin, Xiaofeng Feng   +5 more
doaj   +1 more source

Photocatalytic and electrocatalytic approaches towards atmospheric nitrogen reduction to ammonia under ambient conditions

Nano Convergence, 2019
Ammonia production is essential for sustaining the demand for providing food for the growing population. Being a great source of hydrogen, it has significant potential in turning out to be a viable candidate for the future hydrogen economy. Ammonia has a
Jude John, Dong-Kyu Lee, Uk Sim
doaj   +1 more source

Sustainable synthesis of amino acids by catalytic fixation of molecular dinitrogen and carbon dioxide [PDF]

, 2018
The industrial process of nitrogen fixation is complex and results in a huge economic and environmental impact. It requires a catalyst and high temperature and pressure to induce the rupture of the strong N–N bond and subsequent hydrogenation.
Alemán Llansó, Carlos, Puiggalí Bellalta, Jordi, Rivas Cañas, Manuel, Turón Dols, Pau, Valle Mendoza, Luis Javier del   +4 more
core   +2 more sources

Enhancing of catalytic properties of vanadia via surface doping with phosphorus using atomic layer deposition [PDF]

, 2015
This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in J. Vac. Sci. Technol.
Drieß, Matthias, Johnson, Benjamin, Kröhnert, Jutta, Löffler, Daniel, Naumann d’Alnoncourt, Raoul, Rosowski, Frank, Skorupska, Katarzyna, Strempel, Verena E.   +7 more
core   +2 more sources

Microwave-assisted ammonia synthesis over Cs-Ru/CeO2 catalyst at ambient pressure: Effects of metal loading and support particle size

Catalysis Communications, 2022
Industrially, ammonia is produced by Haber-Bosch process under high temperatures and pressures, consuming more than >2% of the world's energy production.
Alazar Araia, Yuxin Wang, Brandon Robinson, Changle Jiang, Sean Brown, Christina Wildfire, Dushyant Shekhawat, Jianli Hu   +7 more
doaj   +1 more source

Ambient Electro-Synthesis of Ammonia - Electrode Porosity and Composition Engineering

, 2018
Ammonia, key precursor for fertilizer production, convenient hydrogen carrier and emerging clean fuel, plays a pivotal role in sustaining life on earth.
He, Le, Jiang, Zhiping, Li, Debao, Ozin, Geoffrey A., Qiao, Qiao, Shao, Yue, Song, Pengfei, Sun, Wei, Wang, Hong, Wang, Lu, Wang, Qiang, Wu, Tom, Ye, Shuyang, Yuan, Jiayin, Zhang, Xiaohong, Zhu, Yimei   +15 more
core   +1 more source