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RISS 인기검색어
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- 저자 : 채호진(Ho Jin Che) (검색결과 1 건)
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폐플라스틱 열분해 유화공정 잔류물의 성상분석에 의한 재활용 가능성 평가
채호진(Ho Jin Che),이수출(Soo Chool Lee),박노국(No-Kuk Park),김세정(Se Jeong Kim),김태윤(Tae Yoon Kim),김태진(Taejin Kim) 한국에너지기후변화학회 2019 에너지기후변화학회지 Vol.14 No.2
The purpose of this study is to evaluate the recyclability of carbon-based solids released as residues of the waste plastic low-temperature pyrolysis process. Waste plastic low-temperature pyrolysis process is a process to produce hydrocarbon oil from waste plastic made of polypropylene (PP), polyethylene (PE), polystyrene (PS) among the household wastes by the pyrolysis liquefaction process at 350°C. The final products from the pyrolysis process are pyrolysis oils and carbon-rich solids. In general, the solids are all buried in landfills, which can cause environmental pollution in the long run. Therefore, this study investigated the recyclability of these solid residues by analyzing their element composition. Solid properties were analyzed using TGA, XRD, XRF and SEM. It was found that 30% of the residue discharged from the low-temperature pyrolysis process of waste plastic was composed of carbon, approximately 40% of recyclable hydrocarbons, and about 30% of metal oxides. Metal oxides were found to contain mainly calcium, titanium, iron, and silica etc. Because the residue includes various impurities, the residue itself is somewhat difficult to use as a high value-added recycled raw material, and it may be used as the adsorbents/absorbents for removing heavy metals and trace contaminants. In addition, when a large amount of residue is secured, it respected to can be used as a raw material for producing syngas or recycling oils through gasification or liquefaction.
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