Catalytic Removal of NO
            <sub>x</sub>
            Under Lean Conditions from Stationary and Mobile Sources

Forzatti, Pio; Lietti, Luca; Tronconi, Enrico

doi:10.1002/9783527625413.ch13

Cited by 4 publications

(5 citation statements)

References 121 publications

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“…Control Perspective solutions based on implementing catalytic converters are well developed and would be readily transferred to ammonia-fueled engines. 73,74 Marine Engines Application of ammonia as a marine fuel is noticeably attracting attention of the shipping industry, 75 as a response to recent mandates by the International Maritime Organization regarding lowering of sulfur content of fuels and also the ultimate decarbonization of shipping by 2050. A thesis by de Vreis provides a detailed assessment of ammonia suitability for this industry.…”

Section: Vehicle Enginesmentioning

confidence: 99%

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A Roadmap to the Ammonia Economy

MacFarlane

Cherepanov

Choi

et al. 2020

Joule

1,122

627

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Ammonia is increasingly recognized as an important, sustainable fuel for global use in the future. Applications of ammonia in heavy transport, power generation, and distributed energy storage are being actively developed. Produced at scale, ammonia could replace a substantial fraction of current-day liquid fuel consumption. This ammonia-based economy will emerge through multiple generations of technology development and scale-up. The pathways forward in regard to current-day technology (generation 1) and immediate future approaches (generation 2) that rely on Haber-Bosch process are discussed. Generation 3 technology breaks this nexus with the Haber-Bosch process and enables direct reduction of dinitrogen to ammonia electrochemically. However, the roadmap toward scale in this technology has become obscured by recent research missteps. Nevertheless, alternative generation 3 approaches are becoming viable. We conclude with perspectives on the broader scale sustainability of an ammonia economy and the need for further understanding of the planetary nitrogen cycles of which ammonia is an important part.

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Section: Vehicle Enginesmentioning

confidence: 99%

“…As an example, a 3.5 kW power generator has been adapted to run in a dual-fuel mode with ammonia content of up to 80%. 79 These authors refer to the vehicle NO x emission control approaches mentioned above 73,74 as suitable measures to limit emissions in this technology.…”

Section: Vehicle Enginesmentioning

confidence: 99%

A Roadmap to the Ammonia Economy

MacFarlane

Cherepanov

Choi

et al. 2020

Joule

1,122

627

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“…Currently, zeolites are one of the most important materials used as catalyst. Most of the current large-scale commercial processes using zeolitebased catalyst are in the petroleum refining and petrochemical industry [414] but their implementation in chemical industry, environmental applications, non-conventional conversion processes of gas [415], oil, and coal, bio-mass transformation, and car exhaust treatment [416] is increasing rapidly [411].…”

Section: Catalysismentioning

confidence: 99%

Template-based syntheses for shape controlled nanostructures

Pérez-Page

et al. 2016

Advances in Colloid and Interface Science

136

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A variety of nanostructured materials are produced through template-based synthesis methods, including zerodimensional, one-dimensional, and two-dimensional structures. These span different forms such as nanoparticles, nanowires, nanotubes, nanoflakes, and nanosheets. Many physical characteristics of these materials such as the shape and size can be finely controlled through template selection and as a result, their properties as well. Reviewed here are several examples of these nanomaterials, with emphasis specifically on the templates and synthesis routes used to produce the final nanostructures. In the first section, the templates have been discussed while in the second section, their corresponding synthesis methods have been briefly reviewed, and lastly in the third section, applications of the materials themselves are highlighted. Some examples of the templates frequently encountered are organic structure directing agents, surfactants, polymers, carbon frameworks, colloidal sol-gels, inorganic frameworks, and nanoporous membranes. Synthesis methods that adopt these templates include emulsion-based routes and template-filling approaches, such as self-assembly, electrodeposition, electroless deposition, vapor deposition, and other methods including layer-by-layer and lithography. Templatebased synthesized nanomaterials are frequently encountered in select fields such as solar energy, thermoelectric materials, catalysis, biomedical applications, and magnetowetting of surfaces.

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“…Entre las aplicaciones del TiO2 como soporte a nivel industrial se encuentran la reducción catalítica selectiva de NOx,, con NH3 o urea, usando catalizadores de V2O3 y WO3 (o MoO3) como fase activa, tanto para fuentes de emisión móviles como estacionarias. [23] También se emplea en la oxidación de o-xileno a anhídrido ftálico en V2O5 soportado en TiO2, [24][25] y para oxidaciones similares y amoxidaciones con el fin de producir aldehídos aromáticos, ácidos y nitrilos. [7]…”

Section: óXido De Titaniounclassified

“…El TiO2 es un óxido metálico que ha sido empleado con cierta regularidad para catalizar reacciones químicas de forma comercial. [7,[21][22][23][24][25] Como se ha visto con anterioridad (capítulo 3), es posible emplear TiO2 como catalizador de la reacción de descarboxilación cetónica, que también ha sido documentada por otros autores. [55,65,[121][122][129][130] Se ha reportado la transformación de diversos ácidos carboxílicos a sus respectivas cetonas, como los ácidos acético, [55,123] propanoico [70,122] , isobutírico, [65] heptanoico [121] o mezclas de ácidos como el acético con benzoico.…”

Section: Conclusionesunclassified

Transformación de biomasa a productos químicos de interés y carburantes mediante descarboxilación cetónica e hidrodesoxigenación

Tomás¹

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The purpose of the present thesis was the use and valorisation of biomass platform molecules or their derivatives, applying the principles of sustainable chemistry. The reaction of ketonic decarboxylation of carboxylic acids was studied in the presence of metal oxides. ZrO2 was shown to be an excellent catalyst for the reaction, reasonably stable with time on stream and reusable. The reactivity of different substrates over ZrO2 was investigated with respect to the degree of substitution of the carbon in alpha position. 2-methylbutanoic acid, with one methyl replacing one of the alpha H atoms and, thereby, introducing a steric hindrance, showed slower reaction rates than pentanoic acid with two alpha Hα. It was concluded that for 2-methylbutanoic acid reactions occurred preferentially at the edges and the corners of the catalyst.

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Catalytic Removal of NO _x Under Lean Conditions from Stationary and Mobile Sources

Cited by 4 publications

References 121 publications

A Roadmap to the Ammonia Economy

A Roadmap to the Ammonia Economy

Template-based syntheses for shape controlled nanostructures

Transformación de biomasa a productos químicos de interés y carburantes mediante descarboxilación cetónica e hidrodesoxigenación

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Catalytic Removal of NO x Under Lean Conditions from Stationary and Mobile Sources

Cited by 4 publications

References 121 publications

A Roadmap to the Ammonia Economy

A Roadmap to the Ammonia Economy

Template-based syntheses for shape controlled nanostructures

Transformación de biomasa a productos químicos de interés y carburantes mediante descarboxilación cetónica e hidrodesoxigenación

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Catalytic Removal of NO _x Under Lean Conditions from Stationary and Mobile Sources