Non-Thermal Plasma Exhaust Aftertreatment: A Fast Rise-Time Concept

Whealton, J. H.; Hansen, G.; Storey, John; Raridon, R. J.; Armfield, J. S.; Bigelow, T.; Graves, R.S.

doi:10.4271/971718

Cited by 8 publications

(2 citation statements)

References 2 publications

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“…'Packed bed' configurations are reactors allowing the circulation of a gas flow while being filled with solid particles to increase the efficiency of the exchanges between the gas and solid phases. The combination of a packed bed reactor (PBR) with a plasma was first considered in the 1990s, mainly for the treatment of diesel engine exhausts, the removal of nitrogen oxides (so-called deNOx), and soon after for the treatment of VOCs in indoor air [107][108][109]. All these applications require the direct use of air at atmospheric pressure to generate the plasma with strong constraints on energy consumption.…”

Section: Plasma-catalysis Experimentsmentioning

confidence: 99%

Foundations of plasma catalysis for environmental applications

Bogaerts

Neyts

Guaitella

et al. 2022

Plasma Sources Sci. Technol.

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Plasma catalysis is gaining increasing interest for various applications, but the underlying mechanisms are still far from understood. Hence, more fundamental research is needed to understand these mechanisms. This can be obtained by both modelling and experiments. This foundations paper describes the fundamental insights in plasma catalysis, as well as efforts to gain more insights by modelling and experiments. Furthermore, it discusses the state-of-the-art of the major plasma catalysis applications, as well as successes and challenges of technology transfer of these applications.

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Section: Plasma-catalysis Experimentsmentioning

confidence: 99%

Foundations of plasma catalysis for environmental applications

Bogaerts

Neyts

Guaitella

et al. 2022

Plasma Sources Sci. Technol.

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show abstract

“…The plasma is generated next to this dielectric surface, which is in contact with the gas [41]. Once the electric field is applied, the surface plasma covers the entire dielectric surface [42]. The charge after a few nanoseconds begins to accumulate on the dielectric surface, which could reduce the electric fields outside the dielectric, extinguishing the discharge.…”

Section: Surface Plasma Dischargementioning

confidence: 99%

Non-Thermal Plasma Coupled with Catalyst for the Degradation of Water Pollutants: A Review

et al. 2020

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Non-thermal plasma is one of the most promising technologies used for the degradation of hazardous pollutants in wastewater. Recent studies evidenced that various operating parameters influence the yield of the Non-Thermal Plasma (NTP)-based processes. In particular, the presence of a catalyst, suitably placed in the NTP reactor, induces a significant increase in process performance with respect to NTP alone. For this purpose, several researchers have studied the ability of NTP coupled to catalysts for the removal of different kind of pollutants in aqueous solution. It is clear that it is still complicated to define an optimal condition that can be suitable for all types of contaminants as well as for the various types of catalysts used in this context. However, it was highlighted that the operational parameters play a fundamental role. However, it is often difficult to understand the effect that plasma can induce on the catalyst and on the production of the oxidizing species most responsible for the degradation of contaminants. For this reason, the aim of this review is to summarize catalytic formulations coupled with non-thermal plasma technology for water pollutants removal. In particular, the reactor configuration to be adopted when NTP was coupled with a catalyst was presented, as well as the position of the catalyst in the reactor and the role of the main oxidizing species. Furthermore, in this review, a comparison in terms of degradation and mineralization efficiency was made for the different cases studied.

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Application of Plasma Technology in Environmental Techniques

Hammer

1999

Contrib. Plasma Phys.

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Non-Thermal Plasma Exhaust Aftertreatment: A Fast Rise-Time Concept

Cited by 8 publications

References 2 publications

Foundations of plasma catalysis for environmental applications

Foundations of plasma catalysis for environmental applications

Non-Thermal Plasma Coupled with Catalyst for the Degradation of Water Pollutants: A Review

Application of Plasma Technology in Environmental Techniques

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