Special Issue "Novel Applications of Plasma Techniques for the Environment"

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Applied Physics".

Deadline for manuscript submissions: 31 December 2021.

Special Issue Editor

Dr. Mariusz Jasiński
E-Mail Website
Guest Editor
Centre for Plasma and Laser Engineering, Institute of Fluid Flow Machinery, Polish Academy of Sciences, Fiszera 14, 80-231 Gdansk, Poland
Interests: development of microwave plasma sources; plasma diagnostics; application of microwave plasma sources for hydrogen production; application of microwave plasma sources for destruction of harmful gases; application of microwave plasma sources for CO2 utilization
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Special Issue Information

Dear Colleagues,

The aim of this Special Issue of Applied Sciences is to provide a description of devices and processes related to plasma applications for the environment. Discharge plasmas comprise mixtures of photons, electrons, and ions, but may also contain neutral atoms and molecules. The concept of plasma includes media with vastly different properties. Readers interested in this modern field of science and technology are invited to enjoy this new collection of articles, which will certainly stir the curiosity of both scientists and engineers interested in plasma applications for the environment. This Special Issue of Applied Sciences is remarkable in this period of change in the approach to environmental protection.

Dr. Mariusz Jasiński
Guest Editor

Manuscript Submission Information

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Keywords

  • plasma techniques for treatment of harmful gases
  • applications of plasma techniques for CO2 utilization
  • applications of plasmas for H2 production
  • applications of plasma techniques to obtain environmentally friendly materials
  • other issues related to the application of plasma techniques for the environment

Published Papers (1 paper)

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Research

Article
Carbon Dioxide Decomposition by a Parallel-Plate Plasma Reactor: Experiments and 2-D Modelling
Appl. Sci. 2021, 11(21), 10047; https://doi.org/10.3390/app112110047 - 27 Oct 2021
Viewed by 279
Abstract
The applicability of high voltage electrical discharges for the decomposition of CO2 has been extensively demonstrated. In this study, a new AC parallel-plate plasma reactor is presented which was designed for this purpose. Detailed experimental characterization and simulation of this reactor were [...] Read more.
The applicability of high voltage electrical discharges for the decomposition of CO2 has been extensively demonstrated. In this study, a new AC parallel-plate plasma reactor is presented which was designed for this purpose. Detailed experimental characterization and simulation of this reactor were performed. Gas chromatography of the exhaust gases enabled calculation of the CO2 conversion and energy efficiency. A conversion factor approximating 25% was obtained which is higher in comparison to existing plasma sources. Optical emission spectroscopy enabled the determination of the emission intensities of atoms and molecules inside the plasma and characterization of the discharge. The Stark broadening of the Balmer hydrogen line Hβ was used for the estimation of the electron density. The obtained densities were of the order of 5 × 1014 cm−3 which indicates that the electron kinetic energy dominated the discharge. The rotational, vibrational, and excitation temperatures were determined from the vibro-rotational band of the OH radical. A 2-temperature plasma was found where the estimated electron temperatures (~18,000 K) were higher than the gas temperatures (~2000 K). Finally, a 2-D model using the fluid equations was developed for determining the main processes in the CO2 splitting. The solution to this model, using the finite element method, gave the temporal and spatial behaviors of the formed species densities, the electric potential, and the temperatures of electrons. Full article
(This article belongs to the Special Issue Novel Applications of Plasma Techniques for the Environment)
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