Regeneration of Hopcalite used for the adsorption plasma catalytic removal of toluene by non-thermal plasma

被引：25

作者：

Veerapandian, Savita Kaliya Perumal ^{[1
]}

Giraudon, Jean-Marc ^{[2
]}

De Geyter, Nathalie ^{[1
]}

Onyshchenko, Yuliia ^{[1
]}

Krishnaraj, Chidharth ^{[3
]}

Sonar, Shilpa ^{[1
,2
]}

Lofberg, Axel ^{[2
]}

Leus, Karen ^{[3
]}

Van der Voort, Pascal ^{[3
]}

Lamonier, Jean-Francois ^{[2
]}

Morent, Rino ^{[1
]}

机构：

[1] Univ Ghent, Fac Engn & Architecture, Dept Appl Phys, Res Unit Plasma Technol, Sint Pietersnieuwstr 41 B4, B-9000 Ghent, Belgium

[2] Univ Lille, Univ Artois, Cent Lille, CNRS,UMR 8181,UCCS Unite Catalyse & Chim Solide, F-59000 Lille, France

[3] Univ Ghent, Dept Chem, COMOC Ctr Ordered Mat Organometall & Catalysis, Krijgslaan 281-S3, B-9000 Ghent, Belgium

来源：

JOURNAL OF HAZARDOUS MATERIALS | 2021年 / 402卷 / 402期

关键词：

Adsorption plasma catalysis; Toluene abatement; Regeneration by NTP; Hopcalite; Packed bed DBD; LOW-CONCENTRATION FORMALDEHYDE; VOLATILE ORGANIC-COMPOUNDS; CU-MN SPINELS; MANGANESE OXIDES; GAS STREAMS; OXIDATION; AIR; VOCS; ABATEMENT; DECOMPOSITION;

D O I：

10.1016/j.jhazmat.2020.123877

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A dielectric barrier discharge reactor packed with both Hopcalite & glass beads has been investigated for the total oxidation of toluene adsorbed on Hopcalite. The catalytic activity and selectivity through the possible formation of by-products during the NTP discharge for the abatement of irreversibly adsorbed toluene have been investi-gated by FT-IR and mass spectrometer. The regeneration of the used Hopcalite by NTP discharge has been established by (i) determining the amount of toluene adsorbed on NTP regenerated Hopcalite, (ii) investigating the catalytic activity of NTP regenerated Hopcalite and (iii) comparing the bulk and surface properties of the fresh calcined and NTP regenerated Hopcalite. The ratio of amount of irreversibly adsorbed toluene to that of the total amount of adsorbed toluene adsorbed is similar for the fresh calcined and NTP (I) regenerated Hopcalite. The catalytic activity of the NTP (I) regenerated Hopcalite is slightly enhanced when compared to that of the fresh calcined Hopcalite. Although the first NTP treatment induces partial transformation of Hopcalite into Mn3O4 with no detected related CuOx and reduces specific surface area by a factor of 2, the toluene adsorption capacity remains less affected. A plausible reaction scheme for toluene decomposition in Hopcalite PBDBD

引用

页数：12

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