Non-Thermal Plasma Techniques for the Reduction of Volatile Organic Compounds in Air Streams: A Critical Review

Vercammen, Karen; Berezin, Alexander A.; Lox, Frans; Chang, Jen‐Shih

doi:10.1515/jaots-1997-0212

Cited by 38 publications

(41 citation statements)

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“…(3a-b): Arrhenius function determined for a value of total density at 1 bar and 50°C using data from (a): [40] or from (b): [41]. (4): estimated reaction, unknown coefficient…”

Section: Ozone and Nitrogen Oxides In N 2 /O 2 Mixturesmentioning

confidence: 99%

“…However, important energy consumption is needed in the case of important flows and/or low VOC concentration. Amongst alternative techniques presently under investigations, non-thermal equilibrium plasmas at atmospheric pressure are the subject of a great amount of researches [3][4][5][6][7]. Moreover it has been demonstrated that the combining of a non-thermal electrical discharge and a catalyst deposited on various supports such as honeycomb monoliths or pellets, can improve the efficiency of conversion processes [8][9][10].…”

Section: Introductionmentioning

confidence: 99%

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Plasma Reactivity and Plasma-Surface Interactions During Treatment of Toluene by a Dielectric Barrier Discharge

Blin-Simiand

Jorand

Magne

et al. 2008

Plasma Chem Plasma Process

100

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Toluene removal is investigated in filamentary plasmas produced in N 2 and in N 2 /O 2 mixtures by a pulse high voltage energised DBD. Influence of the oxygen percentage (lower than 10%) and of the temperature (lower than 350°C) is examined. Toluene is removed in N 2 through collisions with electrons and nitrogen excited states. The removal efficiency is a few higher in N 2 /O 2 . It increases when the temperature increases for N 2 and N 2 /O 2 . Both H-and O-atoms play an important role in toluene removal because H can readily recombine with O to form OH, which is much more reactive with toluene than O. H follows from dissociation of toluene and of hydrogenated by-products by electron collisions. Detection of cyanhidric acid, acetylene, formaldehyde, and methyl nitrate strengthens that dissociation processes, to produce H and CH 3 , must be taken into account in kinetic analysis. Formation and treatment of deposits are also analysed.

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“…(3a-b): Arrhenius function determined for a value of total density at 1 bar and 50°C using data from (a): [40] or from (b): [41]. (4): estimated reaction, unknown coefficient…”

Section: Ozone and Nitrogen Oxides In N 2 /O 2 Mixturesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Plasma Reactivity and Plasma-Surface Interactions During Treatment of Toluene by a Dielectric Barrier Discharge

Blin-Simiand

Jorand

Magne

et al. 2008

Plasma Chem Plasma Process

100

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“…Destruction of diluted VOCs by applying NTP is of particular importance from the point of energy saving [5] [3,4,[6][7][8][9].…”

Section: Introductionmentioning

confidence: 99%

Catalytic abatement of volatile organic compounds assisted by non-thermal plasma

Subrahmanyam

Măgureanu

Renken

et al. 2006

Applied Catalysis B: Environmental

182

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A novel catalytic reactor with dielectric barrier discharge (DBD) at atmospheric pressure was developed for the abatement of volatile organic compounds (VOCs). The novelty of DBD reactor is the metallic catalyst serving also as the inner electrode. The catalytic electrode was prepared from sintered metal fibers (SMF) in the form of a cylindrical tube. Oxides of Mn and Co were deposited on SMF by impregnation. Decomposition of toluene taken as the model VOC compound (<1000 ppm in air) was investigated. The catalyst composition, toluene concentration, applied voltage and frequency were systematically varied to evaluate the performance of the DBD reactor. At 100 ppm of toluene, the conversion $100% was achieved in the DBD reactor using a specific input energy (SIE) $ 235 J/l independently of the chemical composition of the SMF catalytic electrode, but the selectivity to CO 2 was observed to be a function of the catalyst composition. The MnO x /SMF catalytic electrode showed the best performance towards total oxidation. At a SIE of 295 J/l, the selectivity to CO 2 was 80% with 100% conversion of toluene. No carbon solid residues were deposited on the electrode. #

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“…Due to more strict environmental laws, many industries are looking for an effective technique for VOC-treatment. The recently developed techniques based on non-thermal plasmas (plasma = partially ionized gas) are an alternative for conventional methods like thermal incineration, catalytic oxidation and adsorption [4] [5]. The main advantage of a non-thermal plasma technique is that the available energy is added selectively to the plasma electrons.…”

Section: Introductionmentioning

confidence: 99%

Pin-to-mesh glow discharge in air at atmospheric pressure

Morent

Leys

2004

Czech. J. Phys.

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In this paper a pin-to-mesh discharge in atmospheric air is studied with the perspective to develop an easily scalable DC-excited source of non-thermal plasma for gas cleaning applications. Air is flowing parallel to the discharge axis with velocities up to 15 m/s. The influence of the gas flow direction and the inter-electrode distance on the discharge properties are investigated. It is found that for a pin cathode and for sufficiently high inter-electrode distances the discharge operates in the glow regime. In this regime the discharge is an efficient medium for the production of radicals and other oxidizing species. The threshold currents prior to sparking depend on the flow direction and are the highest when the flow is directed from the pin cathode to the mesh anode.PACS : 52.80.Hc

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Non-Thermal Plasma Techniques for the Reduction of Volatile Organic Compounds in Air Streams: A Critical Review

Cited by 38 publications

References 0 publications

Plasma Reactivity and Plasma-Surface Interactions During Treatment of Toluene by a Dielectric Barrier Discharge

Plasma Reactivity and Plasma-Surface Interactions During Treatment of Toluene by a Dielectric Barrier Discharge

Catalytic abatement of volatile organic compounds assisted by non-thermal plasma

Pin-to-mesh glow discharge in air at atmospheric pressure

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