Clean Technology, Vol.15, No.2, 109-115, June, 2009
Polyethylene-Polypropylene 혼합물의 저온 열분해에 의한 액화특성
Liquefaction Characteristics of Polyethylene-Polypropylene Mixture by Pyrolysis at Low Temperature
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초록
폴리에틸렌-폴리프로필렌 혼합물의 열분해에 대한 시너지효과를 조사하기 위하여 폴리에틸렌(PE) 과
폴리프로필렌(PP) 및 PE-PP혼합물의 저온열분해를 회분식 반응기를 이용하여 상압 및 450 ℃ 에서 실행하였다. 열분해 시간은 20~80 분이었으며, 열분해로 생성된 성분은 한국석유품질검사소에서 고시한 증류성상온도에 따라 가스, 가솔린, 등유, 경유, 중유로 분류하였다. GC/MS 에 의한 생성오일의 성분분석 결과 PE-PP 혼합에 의해서 새로운 성분이 검출되지 않았고 혼합에 따른 시너지효과 또한 나타나지 않았다. PE-PP의 전환율과 각 생성물의 수율은 시료의 혼합비율에 비례하였다.
The low temperature pyrolysis of polyethylenε (PE), polypropylene (PP) and polyethylene-polypropylene (PE-PP) mixture in a batch reactor at the atmospheric pressure and 450 ℃ was carried out to investigate the synergy effect of PE-PP mixture. The pyrolysis time was from 20 to 80 mins. The products formed during pyrolysis were classified into gas, gasoline, kerosene, gas oil and heavy oil according to the petroleum product quality standard of Korea Institute of Petroleum Quality. The analysis ofthe product oils by GCIMS showed that no new component was detected and no synergy effect was made by mixing of PE and PP. Conversions and yields of PE-PP mixtures were linearly dependent on the mixing ratio of samples.
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