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Conflict of Interest: In relation to this article, we declare that there is no conflict of interest.

Publication history: Received February 10, 2021
Accepted May 18, 2021

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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The simultaneous removal of sulfur dioxide and nitrogen dioxide by the limestone slurry with addition of organic acid additives

Ji Eun Jeong Chang-Yong Lee^†

Department of Environmental Engineering, Kongju National University, Cheonan Daero 1223-24, Seobuk-gu, Chungnam 31080, Korea

Korean Journal of Chemical Engineering, October 2021, 38(10), 2064-2071(8), 10.1007/s11814-021-0850-0

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Abstract

This study investigates the effects of organic acid on the simultaneous absorption of SO2 and NO2 in the packed column. Organic acids, i.e., formic acid, acetic acid, and propionic acid, were used as additives. In the case of the absence of additives, when SO2 and NO2 were simultaneously absorbed into the limestone slurry, both SO2 and NO2 contributed to increasing the mutual absorption efficiency. In the simultaneous absorption of SO2 and NO2 with addition of additives, the SO2 removal efficiency appeared in the order of formic acid

Keywords

Absorption Desulfurization Denitrification Simultaneous Removal Organic Acid Additive

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