Indoor air quality improvement and purification by atmospheric pressure Non-Thermal Plasma (NTP)

Abstract Non-thermal plasma (NTP) is a promising technology for the improvement of indoor air quality (IAQ) by removing volatile organic compounds (VOCs) through advanced oxidation process (AOP). In this paper, authors developed a laboratory scale dielectric barrier discharge (DBD) reactor which gen...

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Autores principales:	Prince Junior Asilevi, Patrick Boakye, Sampson Oduro-Kwarteng, Bernard Fei-Baffoe, Yen Adams Sokama-Neuyam
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/747a6beab5214e06909279b0119d6a07
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spelling	oai:doaj.org-article:747a6beab5214e06909279b0119d6a072021-11-28T12:20:49ZIndoor air quality improvement and purification by atmospheric pressure Non-Thermal Plasma (NTP)10.1038/s41598-021-02276-12045-2322https://doaj.org/article/747a6beab5214e06909279b0119d6a072021-11-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-02276-1https://doaj.org/toc/2045-2322Abstract Non-thermal plasma (NTP) is a promising technology for the improvement of indoor air quality (IAQ) by removing volatile organic compounds (VOCs) through advanced oxidation process (AOP). In this paper, authors developed a laboratory scale dielectric barrier discharge (DBD) reactor which generates atmospheric NTP to study the removal of low-concentration formaldehyde (HCHO), a typical indoor air VOC in the built environment associated with cancer and leukemia, under different processing conditions. Strong ionization NTP was generated between the DBD electrodes by a pulse power zero-voltage switching flyback transformer (ZVS-FBT), which caused ionization of air molecules leading to active species formation to convert HCHO into carbon dioxide (CO2) and water vapor (H2O). The impact of key electrical and physical processing parameters i.e. discharge power (P), initial concentration (Cin), flow rate (F), and relative humidity (RH) which affect the formaldehyde removal efficiency (ɳ) were studied to determine optimum conditions. Results show that, the correlation coefficient (R2) of removal efficiency dependence on the processing parameters follow the order R2 (F) = 0.99 > R2 (RH) = 0.96, > R2 (Cin) = 0.94 > R2 (P) = 0.93. The removal efficiency reached 99% under the optimum conditions of P = 0.6 W, Cin = 0.1 ppm, F = 0.2 m3/h, and RH = 65% with no secondary pollution. The study provided a theoretical and experimental basis for the application of DBD plasma for air purification in the built environment.Prince Junior AsileviPatrick BoakyeSampson Oduro-KwartengBernard Fei-BaffoeYen Adams Sokama-NeuyamNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Prince Junior Asilevi Patrick Boakye Sampson Oduro-Kwarteng Bernard Fei-Baffoe Yen Adams Sokama-Neuyam Indoor air quality improvement and purification by atmospheric pressure Non-Thermal Plasma (NTP)
description	Abstract Non-thermal plasma (NTP) is a promising technology for the improvement of indoor air quality (IAQ) by removing volatile organic compounds (VOCs) through advanced oxidation process (AOP). In this paper, authors developed a laboratory scale dielectric barrier discharge (DBD) reactor which generates atmospheric NTP to study the removal of low-concentration formaldehyde (HCHO), a typical indoor air VOC in the built environment associated with cancer and leukemia, under different processing conditions. Strong ionization NTP was generated between the DBD electrodes by a pulse power zero-voltage switching flyback transformer (ZVS-FBT), which caused ionization of air molecules leading to active species formation to convert HCHO into carbon dioxide (CO2) and water vapor (H2O). The impact of key electrical and physical processing parameters i.e. discharge power (P), initial concentration (Cin), flow rate (F), and relative humidity (RH) which affect the formaldehyde removal efficiency (ɳ) were studied to determine optimum conditions. Results show that, the correlation coefficient (R2) of removal efficiency dependence on the processing parameters follow the order R2 (F) = 0.99 > R2 (RH) = 0.96, > R2 (Cin) = 0.94 > R2 (P) = 0.93. The removal efficiency reached 99% under the optimum conditions of P = 0.6 W, Cin = 0.1 ppm, F = 0.2 m3/h, and RH = 65% with no secondary pollution. The study provided a theoretical and experimental basis for the application of DBD plasma for air purification in the built environment.
format	article
author	Prince Junior Asilevi Patrick Boakye Sampson Oduro-Kwarteng Bernard Fei-Baffoe Yen Adams Sokama-Neuyam
author_facet	Prince Junior Asilevi Patrick Boakye Sampson Oduro-Kwarteng Bernard Fei-Baffoe Yen Adams Sokama-Neuyam
author_sort	Prince Junior Asilevi
title	Indoor air quality improvement and purification by atmospheric pressure Non-Thermal Plasma (NTP)
title_short	Indoor air quality improvement and purification by atmospheric pressure Non-Thermal Plasma (NTP)
title_full	Indoor air quality improvement and purification by atmospheric pressure Non-Thermal Plasma (NTP)
title_fullStr	Indoor air quality improvement and purification by atmospheric pressure Non-Thermal Plasma (NTP)
title_full_unstemmed	Indoor air quality improvement and purification by atmospheric pressure Non-Thermal Plasma (NTP)
title_sort	indoor air quality improvement and purification by atmospheric pressure non-thermal plasma (ntp)
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/747a6beab5214e06909279b0119d6a07
work_keys_str_mv	AT princejuniorasilevi indoorairqualityimprovementandpurificationbyatmosphericpressurenonthermalplasmantp AT patrickboakye indoorairqualityimprovementandpurificationbyatmosphericpressurenonthermalplasmantp AT sampsonodurokwarteng indoorairqualityimprovementandpurificationbyatmosphericpressurenonthermalplasmantp AT bernardfeibaffoe indoorairqualityimprovementandpurificationbyatmosphericpressurenonthermalplasmantp AT yenadamssokamaneuyam indoorairqualityimprovementandpurificationbyatmosphericpressurenonthermalplasmantp
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Indoor air quality improvement and purification by atmospheric pressure Non-Thermal Plasma (NTP)

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