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The application of Py-GC/MS for the catalytic upgrading of oil separated from summer food waste leachate |
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| Authors: | Young-Kwon Park Hyung Won Lee Jong-Ki Jeon Seung-Soo Kim Changkook Ryu Ji Man Kim Ho-Jeong Chae Kwang-Eun Jeong |
| Affiliation: | 1. Graduate School of Energy and Environmental System Engineering, University of Seoul, Seoul, 130-743, Korea 2. School of Environmental Engineering, University of Seoul, Seoul, 130-743, Korea 3. Department of Chemical Engineering, Kongju National University, Cheonan, 331-717, Korea 4. Department of Chemical Engineering, Kangwon National University, Samcheok, 245-711, Korea 5. School of Mechanical Engineering, Sungkyunkwan University, Suwon, 440-746, Korea 6. Department of Chemistry, BK21 School of Chemical Materials Science and Department of Energy Science, Sungkyunkwan University, Suwon, 440-746, Korea 7. Green Chemistry Research Division, Korea Research Institute of Chemical Technology, Daejeon, 305-600, Korea |
| Abstract: | The catalytic cracking of oil fractions separated from summer food waste leachate was investigated over BEA zeolite and Al-SBA-15 catalysts. In this study, a mixture of food waste oil fractions and catalyst was directly introduced to pyrolysis gas chromatography/mass spectrometry (Py-GC/MS), with the resulting vapor phase products being simultaneously analyzed. Various acid compounds, including oleic acid, produced by the non-catalytic pyrolysis of food waste leachate were reformed into valuable compounds, such as oxygenates, hydrocarbons, and aromatics. The BEA zeolite catalyst showed higher selectivity for hydrocarbon compounds, especially aromatics, within the gasoline range due to its superior cracking ability originating from its highly acidic sites. Conversely, the cracking performance of the Al-SBA-15 catalyst, possessing mild acidic sites, was lower than that of the BEA zeolite. Increasing the amount of Al-SBA-15 catalyst enhanced the cracking activity and resulted in higher selectivity for hydrocarbons. |
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