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Int J Fire Sci Eng > Volume 28(6); 2014 > Article
Fire Science and Engineering 2014;28(6):108-113.
DOI: https://doi.org/10.7731/KIFSE.2014.28.6.108    Published online December 31, 2014.
슬라이딩아크 방전과 코로나 방전의 복합공정을 통한 유해물질 처리효율 개선에 관한 연구
권우택, 이우식
1을지대학교 보건환경안전학과
2가천대학교 화학생명공학과
A Study on Combined Processes of Sliding Arc Plasma and Corona Dielectric Barrier Discharge for Improve the Efficiency Treatment of Harmful Substance
Kwon Woo-Taeg, Lee Woo-Sik
1Dept. of Environmental Health and Safety, Eulji University
2Dept. of Chemical & Biological Engineering, Gachon University
요약
유해물질처리를 효율적으로 개선하기 위해 슬라이딩아크방전(sliding arc plasma)과 corona dielectric barrier discharge(CDBD공정)의 복합공정을 이용하였다. 이장치는 OH 라디칼과 음이온을 생성하여 강력한 산화력으로 탈취 및 살균 효과를 가진다. 실험결과 SAP 반응기의 크기를 80 A를 50 A로 축소하여도 유해물질의 농도는 큰 변화가 없는 것으로 나타나 반응기의 규모를 최소화할 수 있을 것으로 판단된다. 그리고 CDBD 반응기에서 생성된 음이온과 오존은 유해물질과 반응한 후 음이온은 510,000 ppb에서 470 ppb, 오존은 98 ppb에서 22 ppb로 낮아짐을 확인하였다. 또한 플라즈마 발생장치의 안정성 및 내구성이 우수한 것으로 판단되었다. 따라서 본 연구를 통하여 향후 플라즈마복합공정을 이용하여 실내공기중에 존재하는 유해물질 제거를 효율적으로 할 수 있을 것으로 생각된다.
Abstract
The combined process of Sliding Arc Plasma and corona dielectric barrier discharge process (CDBD) was used to efficiently improve harmful substance, which convert into OH radicals which have strong oxidation potential, and so have deodorization and sterilizing effects, by generating specific radicals and anion and then reacting with the moisture contained in harmful substance. As a result of experiment, even if the size of SAP reactor is reduced from 80 A to 50 A, there is no much change and therefore it is judged the size of reactor may be minimized. And it was confirmed that after the anion and ozone generated from CDBD rector react with harmful substance, a anion was reduced from 510,000 ppb to 470 ppb and ozone from 98 ppb to 22 ppb. It was also judged the stability and durability of plasma producer are excellent. Accordingly, it is considered the harmful substances which exist in indoor air quality will be efficiently improved and removed by using further plasma combined process through this study.
Key Words: CDBD, Harmful substance, SAP, Plasma, Reactor
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