Performance evaluation of semi-dry flue gas desulfurization and denitration from flue gas of a glass melt using nonthermal plasma combined process

The semi-dry plasma and chemical hybrid process (PCHP) has been used for the simultaneous removal of NOx and SOx emitted from a glass melting furnace. In this study, PCHP was conducted through a laboratory-scale model experiment that simulated the aftertreatment system of a full-scale semi-dry glass...

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Autores principales:	Haruhiko YAMASAKI, Yuta MIZUGUCHI, Koki MAEDA, Hidekatsu FUJISHIMA, Tomoyuki KUROKI, Hashira YAMAMOTO, Masaaki OKUBO
Formato:	article
Lenguaje:	EN
Publicado:	The Japan Society of Mechanical Engineers 2021
Materias:	ozone glass melting furnace nonthermal plasma nox semi-dry process sox plasma chemistry Mechanical engineering and machinery TJ1-1570
Acceso en línea:	https://doaj.org/article/cd7ff4b240264240903fbfe75c6d6534
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spelling	oai:doaj.org-article:cd7ff4b240264240903fbfe75c6d65342021-11-29T06:05:56ZPerformance evaluation of semi-dry flue gas desulfurization and denitration from flue gas of a glass melt using nonthermal plasma combined process2187-974510.1299/mej.20-00519https://doaj.org/article/cd7ff4b240264240903fbfe75c6d65342021-02-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/mej/8/2/8_20-00519/_pdf/-char/enhttps://doaj.org/toc/2187-9745The semi-dry plasma and chemical hybrid process (PCHP) has been used for the simultaneous removal of NOx and SOx emitted from a glass melting furnace. In this study, PCHP was conducted through a laboratory-scale model experiment that simulated the aftertreatment system of a full-scale semi-dry glass bottle manufacturing system. The process consisted of two methods: the plasma process in which NO is oxidized using nonthermal plasma and the chemical process in which NO2 produced from NO oxidation is removed using Na2SO3 resulting from the reaction between SO2 and NaOH. Herein, the position of ozone injection was transferred to the inside wall of the reactor to improve the efficiency of simultaneous denitrification and desulfurization through the efficient oxidation of NO. First, NO removal experiments were conducted by changing the spray position, spray liquid flow rate, and flow rate of a mixed simulated gas of NO and SO2. Therefore, over the gas flow rate range from 5 to 15 L/min, the localized cooling area where NO and O3 could be efficiently reacted at the nozzle spray position of z = 400 mm was formed. A NOx removal efficiency of 74% with a ratio of decreased NO to injected O3 (ΔNO/O3) of 88% and SO2 removal efficiency of 100% were achieved by injecting O3 from the inside wall of the reactor when the liquid-gas ratio was 1.17 L/m3.Haruhiko YAMASAKIYuta MIZUGUCHIKoki MAEDAHidekatsu FUJISHIMATomoyuki KUROKIHashira YAMAMOTOMasaaki OKUBOThe Japan Society of Mechanical Engineersarticleozoneglass melting furnacenonthermal plasmanoxsemi-dry processsoxplasma chemistryMechanical engineering and machineryTJ1-1570ENMechanical Engineering Journal, Vol 8, Iss 2, Pp 20-00519-20-00519 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	ozone glass melting furnace nonthermal plasma nox semi-dry process sox plasma chemistry Mechanical engineering and machinery TJ1-1570
spellingShingle	ozone glass melting furnace nonthermal plasma nox semi-dry process sox plasma chemistry Mechanical engineering and machinery TJ1-1570 Haruhiko YAMASAKI Yuta MIZUGUCHI Koki MAEDA Hidekatsu FUJISHIMA Tomoyuki KUROKI Hashira YAMAMOTO Masaaki OKUBO Performance evaluation of semi-dry flue gas desulfurization and denitration from flue gas of a glass melt using nonthermal plasma combined process
description	The semi-dry plasma and chemical hybrid process (PCHP) has been used for the simultaneous removal of NOx and SOx emitted from a glass melting furnace. In this study, PCHP was conducted through a laboratory-scale model experiment that simulated the aftertreatment system of a full-scale semi-dry glass bottle manufacturing system. The process consisted of two methods: the plasma process in which NO is oxidized using nonthermal plasma and the chemical process in which NO2 produced from NO oxidation is removed using Na2SO3 resulting from the reaction between SO2 and NaOH. Herein, the position of ozone injection was transferred to the inside wall of the reactor to improve the efficiency of simultaneous denitrification and desulfurization through the efficient oxidation of NO. First, NO removal experiments were conducted by changing the spray position, spray liquid flow rate, and flow rate of a mixed simulated gas of NO and SO2. Therefore, over the gas flow rate range from 5 to 15 L/min, the localized cooling area where NO and O3 could be efficiently reacted at the nozzle spray position of z = 400 mm was formed. A NOx removal efficiency of 74% with a ratio of decreased NO to injected O3 (ΔNO/O3) of 88% and SO2 removal efficiency of 100% were achieved by injecting O3 from the inside wall of the reactor when the liquid-gas ratio was 1.17 L/m3.
format	article
author	Haruhiko YAMASAKI Yuta MIZUGUCHI Koki MAEDA Hidekatsu FUJISHIMA Tomoyuki KUROKI Hashira YAMAMOTO Masaaki OKUBO
author_facet	Haruhiko YAMASAKI Yuta MIZUGUCHI Koki MAEDA Hidekatsu FUJISHIMA Tomoyuki KUROKI Hashira YAMAMOTO Masaaki OKUBO
author_sort	Haruhiko YAMASAKI
title	Performance evaluation of semi-dry flue gas desulfurization and denitration from flue gas of a glass melt using nonthermal plasma combined process
title_short	Performance evaluation of semi-dry flue gas desulfurization and denitration from flue gas of a glass melt using nonthermal plasma combined process
title_full	Performance evaluation of semi-dry flue gas desulfurization and denitration from flue gas of a glass melt using nonthermal plasma combined process
title_fullStr	Performance evaluation of semi-dry flue gas desulfurization and denitration from flue gas of a glass melt using nonthermal plasma combined process
title_full_unstemmed	Performance evaluation of semi-dry flue gas desulfurization and denitration from flue gas of a glass melt using nonthermal plasma combined process
title_sort	performance evaluation of semi-dry flue gas desulfurization and denitration from flue gas of a glass melt using nonthermal plasma combined process
publisher	The Japan Society of Mechanical Engineers
publishDate	2021
url	https://doaj.org/article/cd7ff4b240264240903fbfe75c6d6534
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Performance evaluation of semi-dry flue gas desulfurization and denitration from flue gas of a glass melt using nonthermal plasma combined process

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