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Catalytic upgrading of oil fractions separated from food waste leachate |
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| Authors: | Heo Hyeon Su Kim Sang Guk Jeong Kwang-Eun Jeon Jong-Ki Park Sung Hoon Kim Ji Man Kim Seung-Soo Park Young-Kwon |
| Institution: | a Graduate School of Energy and Environmental System Engineering, University of Seoul, Seoul 130-743, Republic of Korea b Korea Institute of Energy Research, Daejeon 303-343, Republic of Korea c Green Chemistry Research Division, Korea Research Institute of Chemical Technology, Daejeon 305-600, Republic of Korea d Department of Chemical Engineering, Kongju National University, Cheonan 330-717, Republic of Korea e Department of Environmental Engineering, Sunchon National University, Suncheon 540-742, Republic of Korea f Department of Chemistry, BK21 School of Materials Science and Department of Energy Science, Sungkyunkwan University, Suwon 440-746, Republic of Korea g Department of Chemical Engineering, Kangwon National University, Samcheok 245-711, Republic of Korea h School of Environmental Engineering, University of Seoul, Seoul 130-743, Republic of Korea |
| Abstract: | In this work, catalytic cracking of biomass waste oil fractions separated from food waste leachate was performed using microporous catalysts, such as HY, HZSM-5 and mesoporous Al-MCM-48. The experiments were carried out using pyrolysis gas chromatography/mass spectrometry (Py-GC/MS) to allow the direct analysis of the pyrolytic products. Most acidic components, especially oleic acid, contained in the food waste oil fractions were converted to valuable products, such as oxygenates, hydrocarbons and aromatics. High yields of hydrocarbons within the gasoline-range were obtained when microporous catalysts were used; whereas, the use of Al-MCM-48, which exhibits relatively weak acidity, resulted in high yields of oxygenated and diesel-range hydrocarbons. The HZSM-5 catalyst produced a higher amount of valuable mono aromatics due to its strong acidity and shape selectivity. Especially, the addition of gallium (Ga) to HZSM-5 significantly increased the aromatics content. |
| Keywords: | Food waste oil fractions Catalytic pyrolysis HZSM-5 Gallium Aromatics |
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