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논문 기본 정보

자료유형
학술저널
저자정보
Hyeon Jin Seo (Sungkyunkwan University) Rak Hyun Jeong (Sungkyunkwan University) Jang-Heon Boo (Songnae High School) Jimin Song (Songnae High School) Jin-Hyo Boo (Sungkyunkwan University)
저널정보
한국진공학회(ASCT) Applied Science and Convergence Technology Applied Science and Convergence Technology Vol.26 No.6
발행연도
2017.11
수록면
218 - 222 (5page)

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초록· 키워드

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This study was conducted to remove NO<SUB>x</SUB>, which is the main cause of fine dust and air pollution as well as acid rain. NO<SUB>x</SUB> was tested using 3% NO (diluted in He) as a simulated gas. Experiments were sequentially carried out by oxidizing NO to NO₂ and absorbing NO₂. Especially, we focused on the changes of NO oxidation according to both oxidant (NaClO₂) concentration change (1~10M) and oxidant pH change (pH = 1~5) by adding HCl. In addition, we tried to suggest a method to improve NO₂ absorption by conducting NO₂ reduction reaction with reducing agent (NaOH) concentration (40~60%). It was found that NO removal efficiency increased as both concentration of oxidant and flow rate of NO gas increased, and NO decreased more effectively as the pH of hydrochloric acid added to the oxidant was lower. The NO₂ adsorption was also better with increasing NaOH concentration, but the NO removal efficiency was ~20% lower than that of the selective NO reduction. Indeed, this experimental method is expected to be a new method that can be applied to the capture and removal of fine dust caused by air pollution because it is a method that can easily remove NO gas by a simple device without expensive giant equipment.

목차

Abstract
Ⅰ. Introduction
Ⅱ. Experimental Background and Procedure
Ⅲ. Results and Discussion
Ⅳ. Conclusions
References

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