Plasma-assisted abatement of SF6 in a packed bed plasma reactor: understanding the effect of gas composition

2020 ◽  
Vol 22 (5) ◽  
pp. 055502 ◽  
Author(s):  
Xiaoxing ZHANG ◽  
Yuan TIAN ◽  
Zhaolun CUI ◽  
Ju TANG
Keyword(s):  
Plasma Reactor ◽  
Packed Bed ◽  
Gas Composition

Probing the impact of material properties of core-shell SiO2@TiO2 spheres on the plasma-catalytic CO2 dissociation using a packed bed DBD plasma reactor

2021 ◽  
Vol 46 ◽  
pp. 101468
Author(s):  
Periyasamy Kaliyappan ◽  
Andreas Paulus ◽  
Jan D’Haen ◽  
Pieter Samyn ◽  
Yannick Uytdenhouwen ◽  
...  
Keyword(s):  
Material Properties ◽  
Plasma Reactor ◽  
Packed Bed ◽  
Core Shell ◽  
Dbd Plasma ◽  
The Impact

scholarly journals Inactivation of airborne viruses using a packed bed non-thermal plasma reactor

2019 ◽  
Vol 52 (25) ◽  
pp. 255201 ◽  
Author(s):  
T Xia ◽  
A Kleinheksel ◽  
E M Lee ◽  
Z Qiao ◽  
K R Wigginton ◽  
...  
Keyword(s):  
Thermal Plasma ◽  
Plasma Reactor ◽  
Packed Bed ◽  
Non Thermal Plasma ◽  
Airborne Viruses

Degradation of Organophosphorus Pesticide in a Packed-Bed Plasma Reactor: Effects of Operating Parameters and Kinetics Study

2013 ◽  
Vol 781-784 ◽  
pp. 1637-1645 ◽  
Author(s):  
Ting Jun Ma ◽  
Yi Qing Xu
Keyword(s):  
Removal Efficiency ◽  
Flow Rate ◽  
Gas Flow ◽  
Plasma Reactor ◽  
Organophosphorus Pesticide ◽  
Packed Bed ◽  
Pulse Frequency ◽  
Gas Flow Rate ◽  
Peak Voltage ◽  
Initial Concentration

The degradation effectiveness and reaction kinetics of representative organophosphorus (OP) pesticide in a packed-bed plasma reactor have been studied. Important parameters, including peak voltage, pulse frequency, gas-flow rate, initial concentration, diameter of catalyst particles, and thickness of catalyst bed which influences the removal efficiency, were investigated. Experimental results indicated that rogor removal efficiency as high as 80% can be achieved at 35 kV with the gas flow rate of 800 mL/min and initial concentration of 11.2 mg/m3.The removal efficiency increased with the increase of pulsed high voltage, and pulse frequency, the decrease of the diameter of catalyst particles and the thickness of catalyst bed. Finally, a model was established to predict the degradation of the rogor, which generally can simulate the experimental measurements to some degree.

Development of Fiber Bragg Grating (FBG) as Temperature Sensor Inside Packed-bed Non-thermal Plasma Reactor

2014 ◽  
Vol 68 (3) ◽  
Author(s):  
Siti Musliha Aishah Musa ◽  
RK Raja Ibrahim ◽  
Asrul Izam Azmi
Keyword(s):  
Fiber Bragg Grating ◽  
Temperature Variation ◽  
Thermal Plasma ◽  
Temperature Sensor ◽  
Plasma Reactor ◽  
Packed Bed ◽  
Bragg Grating ◽  
Wavelength Shift ◽  
Bragg Wavelength ◽  
Non Thermal Plasma

This paper presents early work on Fiber Bragg grating (FBG) as temperature sensor to monitor temperature variation inside a packed-bed non-thermal plasma reactor. FBG made from germania-doped fiber with center Bragg wavelength of 1552.5 nm was embedded inside non-thermal plasma reactor with sphere shape dielectric bead (barium titanate) and used to probe the temperature variation inside the reactor. The experimental works have proven that FBG is a suitable sensor to monitor temperature variation inside of reactor via LabVIEW program. Besides that, Optical Spectrum Analyzer (OSA) recorded Bragg wavelength shift as voltage of power supply increases, which indicate the non-uniform temperature variation occurring inside the reactor. However, it does not affect the chemical reaction inside the reactor because the temperature condition is in steady state.

scholarly journals Plasma Catalytic Conversion of CH4 to Alkanes, Olefins and H2 in a Packed Bed DBD Reactor

Processes ◽  
2020 ◽  
Vol 8 (7) ◽  
pp. 774
Author(s):  
Mohammadreza Taheraslani ◽  
Han Gardeniers
Keyword(s):  
Barrier Discharge ◽  
Plasma Reactor ◽  
Packed Bed ◽  
Reaction Pathways ◽  
Ambient Conditions ◽  
Alumina Catalyst ◽  
Dbd Plasma ◽  
Hydrogenation Reactions ◽  
Notable Increase

Methane is activated at ambient conditions in a dielectric barrier discharge (DBD) plasma reactor packed with Pd/γ-alumina catalyst containing different loadings of Pd (0.5, 1, 5 wt%). Results indicate that the presence of Pd on γ-alumina substantially abates the formation of deposits, leads to a notable increase in the production of alkanes and olefins and additionally improves the energy efficiency compared to those obtained for the non-packed reactor and the bare γ-alumina packed reactor. A low amount of Pd (0.5 and 1 wt%) favors achieving a higher production of olefins (mainly C2H4 and C3H6) and a higher yield of H2. Increasing Pd loading to 5 wt% promotes the interaction of H2 and olefins, which consequently intensifies the successive hydrogenation of unsaturated compounds, thus incurring a higher production of alkanes (mainly C2H6 and C3H8). The substantial abatement of the deposits is ascribed to the role of Palladium in moderating the strength of the electric and shifting the reaction pathways, in the way that hydrogenation reactions of deposits’ precursors become faster than their deposition on the catalyst.

Decomposition of dichloromethane and in situ alkali absorption of resulting halogenated products by a packed-bed non-thermal plasma reactor

2011 ◽  
Vol 13 (3) ◽  
pp. 206-212 ◽  
Author(s):  
Shinsuke Iijima ◽  
Morito Nakamura ◽  
Akira Yokoi ◽  
Mitsuhiro Kubota ◽  
Liwei Huang ◽  
...  
Keyword(s):  
Thermal Plasma ◽  
Plasma Reactor ◽  
Packed Bed ◽  
Non Thermal Plasma ◽  
Alkali Absorption

Investigation and Properties of the Discharge in Dielectric Barrier Reactors Decomposition of Toluene, o-Xylene, Trichloroethylene, and Their Mixture Using a BaTiO3 Packed-Bed Plasma Reactor

1996 ◽  
Vol 1 (1) ◽  
Author(s):  
Gerhard J. Pietsch
Keyword(s):  
Dielectric Barrier Discharge ◽  
Chemical Reactions ◽  
Barrier Discharge ◽  
Plasma Reactor ◽  
Packed Bed ◽  
Generation Process ◽  
Dielectric Barrier ◽  
Process Gas ◽  
Spatially Distributed ◽  
Quantitative Results

AbstractThe dielectric barrier discharge consists of numerous non-thermal microdischarges which are temporally and spatially distributed within the reactor volume. From a refined modeling of microdischarges, chemical reactions, and the interaction of discharges and process gas, the properties of the reactor can be evaluated. Quantitative results for the ozone generation process are presented.

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