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논문 기본 정보

자료유형
학술저널
저자정보
홍윤정 (세종대학교) 조창상 (세종대학교) 강성민 (세종대학교) 윤현기 (세종대학교) 전의찬 (세종대학교)
저널정보
한국기후변화학회 한국기후변화학회지 Journal of Climate Change Research Vol.7 No.4
발행연도
2016.12
수록면
477 - 484 (8page)
DOI
10.15531/ksccr.2016.7.4.477

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초록· 키워드

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In general, CH₄ concentrations generated in combustion facilities are known to be ppm units. In most cases, CH₄ samples are collected in Tedlar bags and transported to laboratories for analysis. Considering this fact, in the present study, an attempt was made to find out how long samples can be stored in cases where they are kept in bags and transported as a preliminary study for sampling. According to the results of the experiment using simulated gases (1 ppm, 5 ppm, 10 ppm) in Tedlar bag, CH₄ was safe up to 240 hr which is the full time. In the case of simulated gases are containing 4 kind gases (N₂, CO₂, CH₄, and N₂O). Field samples (samples of obtained by collecting combustion facilities’ exhaust gases) are known to contain highly reactive substances (for example NOx, SOx, and VOCs) and may affect each other. In the present study, one site sample was secured from each of a bituminous coal combustion facility and an LNG combustion facility and whether the concentrations of CH₄ gas would change over time (24 hr, 96 hr, 144 hr, 192 hr) was checked. Since site samples could not be analyzed on the day of collection, an experiment was started 24 hr after the time point of sampling to analyze the samples. As with the results of analysis of the simulated gas (240 hr), the results of analysis using the site sample indicated that it could be stored for the full study period 192 hr. Therefore, it was judged that if 192 hr would be taken after sampling before the sample would be analyzed, the concentration value should be reliable.

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ABSTRACT
1. 연구 배경 및 목적
2. 연구 방법
3. 연구 결과
4. 결론
REFERENCES

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UCI(KEPA) : I410-ECN-0101-2017-453-001975780