2019
DOI: 10.3390/catal9010045
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Isotope Labelling for Reaction Mechanism Analysis in DBD Plasma Processes

Abstract: Dielectric barrier discharge (DBD) plasmas and plasma catalysis are becoming an alternative procedure to activate various gas phase reactions. A low-temperature and normal operating pressure are the main advantages of these processes, but a limited energy efficiency and little selectivity control hinder their practical implementation. In this work, we propose the use of isotope labelling to retrieve information about the intermediate reactions that may intervene during the DBD processes contributing to a decre… Show more

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Cited by 17 publications
(20 citation statements)
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References 31 publications
(63 reference statements)
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“…At higher plasma power, however, ammonia may decompose in micro-discharges. 55,61,62 Fig. 8 shows good correlations between the NH 3 concentration measured at 450°C and plasma power.…”
Section: Catalysis Science and Technologymentioning
confidence: 81%
“…At higher plasma power, however, ammonia may decompose in micro-discharges. 55,61,62 Fig. 8 shows good correlations between the NH 3 concentration measured at 450°C and plasma power.…”
Section: Catalysis Science and Technologymentioning
confidence: 81%
“…It has been previously used to study different plasma-catalysis reactions, as the synthesis of ammonia, methane reforming, or the elimination of pollutants. [2,5,7,8,20] Figure 1 shows a sketch of the reactor set-up. Upper and bottom SS electrodes were separated by a pellet bed formed by a single packed layer of 3-mm pellets made of either dielectric (alumina [Al 2 O 3 ] and glass beads) or ferroelectric materials (barium titanate [BaTiO 3 ] and lead zirconate titanate [PZT]), respectively.…”
Section: Methodsmentioning
confidence: 99%
“…1.2% of the global CO 2 emissions . The requisite of combining the reduction of energy consumption with the production of ammonia in a distributed way close to final users has called for an active investigation of a variety or alternative processes, including plasma catalysis. , A second motivation of this work is the use of ammonia as a suitable hydrogen storage vector and the advantages, with respect to classical catalysis, of small plasma reactors for its low temperature decomposition into hydrogen, as required for mobile device applications.…”
Section: Introductionmentioning
confidence: 99%