期刊
JOURNAL OF HAZARDOUS MATERIALS
卷 393, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.jhazmat.2020.122449
关键词
Catalytic pyrolysis; CO2-assisted pyrolysis; Food waste disposal; Pollutant reduction
资金
- National Research Foundation of Korea (NRF) - Korean Government (Ministry of Science and ICT) [NRF-2020R1C1C1003225]
In this study, a method of disposing food waste is introduced via catalytic pyrolysis under CO2 condition. The catalyst and CO2 hindered the generation of condensable compounds, leading to enhancing non-condensable gas generation. However, they did not affect the amount of solid residues left after the thermal reaction. The amount of condensable cyclic compounds was reduced when the catalyst and/or CO2 were used. The enhancement of non-condensable gas production and reduction of cyclic compounds formation were maximized when the Pt catalyst and CO2 were simultaneously applied to the pyrolysis of food waste. For instance, approximately 67.3 % less cyclic compounds, including benzene derivatives, were generated at 700 degrees C in the presence of the catalyst under a CO2 atmosphere compared to non-catalytic conditions without CO2. The results suggest that a CO2 assisted catalytic pyrolysis is as environmentally benign disposal method for food waste.
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