Removal of low-concentration BTX in air using a combined plasma catalysis system

Fan, Xing; Zhu, Tianle; Wang, M.Y.; Li, X.M.

doi:10.1016/j.chemosphere.2009.03.029

Cited by 109 publications

(47 citation statements)

References 26 publications

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“…This was also reported by Narengerile and Watanabe using a water plasma torch for acetone decomposition [10]. In this study, the combination of plasma with the MO x /␥- In the presence of the MO x /␥-Al 2 O 3 catalysts in the DBD reactor, plasma-assisted surface reactions also play an important role in the oxidation of acetone, intermediates and by-products, whilst the participation of surface oxygen species in the plasma-catalytic process may be what drives the reaction towards deep oxidation and substantially inhibits the formation of undesirable by-products [37]. In addition, the carbon balance of the plasma-catalytic process over these catalysts is between 85.4% and 95%.…”

Section: Ceox/␥-al2o3mentioning

confidence: 99%

Catalyst screening for acetone removal in a single-stage plasma-catalysis system

Zhu

Gao

et al. 2015

Catalysis Today

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Section: Ceox/␥-al2o3mentioning

confidence: 99%

Catalyst screening for acetone removal in a single-stage plasma-catalysis system

Zhu

Gao

et al. 2015

Catalysis Today

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“…The production of N and O, the main precursor of NO x , is related to the dissociation of air. The formation of NO x occurs when the temperature of the gas is significantly increased by the plasma and reaches about 373 K (Fan et al 2009). Besides, the type of NO x strongly depends on the operating conditions such as reactor type, SIE range, temperature, and humidity (Kim et al 2008).…”

Section: Effect Of Catalyst Composition On By-product No X Yieldmentioning

confidence: 99%

Catalytic behavior and synergistic effect of nonthermal plasma and CuO/AC catalyst for benzene destruction

Cao

Liu

et al. 2015

Int. J. Environ. Sci. Technol.

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Nonthermal plasma-catalysis hybrid technology (NTP-C) operated at ambient temperature and pressure offers an innovative and effective approach to solving the problem of dilute volatile organic compounds pollution. Herein, the destruction of benzene (50-450 ppm) over an in-plasma NTP-C composite system was investigated. The AO x /active carbon (AO x /AC), AO x /3A molecular sieve (AO x /MS), and AO x /c-Al 2 O 3 (A = Fe, Ag, Zn, Mn, and Cu) catalysts were prepared by the incipientwetness impregnation method. The destruction performances of NTP alone and NTP-C are compared under different reaction conditions, such as inlet reactant concentration, catalyst type, and energy density. AC exhibits the best benzene removal efficiency among three catalyst supports, and the performances of AO x /AC under different conditions follow the trend ofThe NTP with CuO/AC system exhibits the highest benzene elimination capability with almost 90.6 % inlet benzene removed at energy density of 70 and 270 J L -1 . The strong adsorption ability of AC and the optimal catalytic ability of crystalline structure of CuO on the AC support may be contributed to the excellent performance of CuO/AC. It is found that the NO x by-product also can be well controlled over NTP-CuO/AC system. Additionally, the surface of CuO/AC is more slipperier and homogeneous with the reaction proceeding, indicating higher stability of CuO/AC.

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“…The dissociation of air may lead to N and O production, which is the main precursor of NO x . The formation of NO x occurs when the temperature of the gas is significantly increased by the plasma and reaches about 373 K. 23 However, no traces of nitrogen oxides such as NO and NO 2 detected among the numerous byproducts. One of the applications of NTP is ozone generation.…”

Section: Formation Of Undesirable Productsmentioning

confidence: 99%

“…19 However, its application is greatly restricted by low energy efficiency and CO 2 selectivity as well as suppression of undesirable by-products such as ozone. [20][21][22][23] An attempt to overcome these limitations is to combine NTP with catalysts. 4,[23][24][25] The selected catalysts (MnOx and CoOx) were known for ozone decomposition and several researchers reported the plasma catalytic effect of MnOx and CoOx for ozone decomposition.…”

Section: Introductionmentioning

confidence: 99%

“…[20][21][22][23] An attempt to overcome these limitations is to combine NTP with catalysts. 4,[23][24][25] The selected catalysts (MnOx and CoOx) were known for ozone decomposition and several researchers reported the plasma catalytic effect of MnOx and CoOx for ozone decomposition. 4,24,[26][27][28][29][30][31][32] However, majority of these studies were dealt with single component VOCs.…”

Section: Introductionmentioning

confidence: 99%

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Catalytic non-thermal plasma reactor for the decomposition of a mixture of volatile organic compounds

et al. 2013

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Abstract. The decomposition of mixture of selected volatile organic compounds (VOCs) has been studied in a catalytic non-thermal plasma dielectric barrier discharge reactor. The VOCs mixture consisting n-hexane, cyclo-hexane and p-xylene was chosen for the present study. The decomposition characteristics of mixture of VOCs by the DBD reactor with inner electrode modified with metal oxides of Mn and Co was studied. The results indicated that the order of the removal efficiency of VOCs followed as p-xylene > cyclo-hexane > nhexane. Among the catalytic study, MnOx/SMF (manganese oxide on sintered metal fibres electrode) shows better performance, probably due to the formation of active oxygen species by in situ decomposition of ozone on the catalyst surface. Water vapour further enhanced the performance due to the in situ formation of OH radicals.

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Removal of low-concentration BTX in air using a combined plasma catalysis system

Cited by 109 publications

References 26 publications

Catalyst screening for acetone removal in a single-stage plasma-catalysis system

Catalyst screening for acetone removal in a single-stage plasma-catalysis system

Catalytic behavior and synergistic effect of nonthermal plasma and CuO/AC catalyst for benzene destruction

Catalytic non-thermal plasma reactor for the decomposition of a mixture of volatile organic compounds

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