Integrated process for the removal of indoor VOCs from food industry manufacturing: Elimination of Butane-2,3-dione and Heptan-2-one by cold plasma-photocatalysis combination

被引：34

作者：

Abou Saoud, Wala ^{[1
]}

Assadi, Aymen Amine ^{[1
]}

Kane, Abdoulaye ^{[2
]}

Jung, Aude-Valerie ^{[2
]}

Le Cann, Pierre ^{[3
]}

Gerard, Anne ^{[3
]}

Bazantay, Frederic ^{[4
]}

Bouzaza, Abdelkrim ^{[1
]}

Wolbert, Dominque ^{[1
]}

机构：

[1] Univ Rennes, Ecole Natl Super Chimie Rennes, CNRS, ISCR,UMR 6226, F-35000 Rennes, France

[2] UniLaSalle Ecole Metiers Environm UniLaSalle EME, Campus Ker Lann,Ave Robert Schuman, Bruz, France

[3] Univ Rennes, UMR S 1085, INSERM, EHESP,Irset, F-35000 Rennes, France

[4] Pole Cristo, 49 Ave Rene Cassin, F-22100 Dinan, France

来源：

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY | 2020年 / 386卷

关键词：

Indoor air of food industry; Butane-2,3-dione/Heptan-2-one mixture; (Photocatalysis-DBD plasma) association; Synergetic effect; DIELECTRIC BARRIER DISCHARGE; CONTINUOUS REACTOR; NONTHERMAL PLASMA; GAS-PHASE; OXIDATION; ABATEMENT;

D O I：

10.1016/j.jphotochem.2019.112071

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Coupling Non-thermal plasma (dielectric barrier discharge) with photocatalysis (TiO2-/UV) can be a promising technique to improve indoor air quality. In this study, Butane-2,3-dione and Heptan-2-one, usually found in food industry, were used as target compounds. Firstly, each pollutant was studied alone by photocatalytic treatment under experimental parameter effects like gases flow rate, VOCs inlet concentration, and humidity levels. Otherwise, in order to understand pollutants reaction mechanisms, a complex composition mixture was then studied and discussed. Experiments with dry and wet air showed good Heptan-2-one removal but negatively affected Butane-2,3-dione elimination rate. The Butane-2,3-dione/Heptan-2-one oxidation study was carried out by cold plasma-photocatalysis combination in the same pilot reactor. Excellent treatment yields were observed in terms of pollutant removal efficiency, mineralization and Ozone decomposition. Additionally, intermediate by-product exhausts from three technologies e.g. TiO2/UV-light system, DBD-plasma and their combination are identified.

引用

页数：9

共 35 条

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