期刊
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
卷 50, 期 9, 页码 5459-5466出版社
AMER CHEMICAL SOC
DOI: 10.1021/ie102412h
关键词
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资金
- Ministry of Education, Science, Sports, and Culture [21241018]
- Grants-in-Aid for Scientific Research [21241018] Funding Source: KAKEN
A mixture consisting of 45 wt % polyethylene, 20 wt % polypropylene, 20 wt % polystyrene, and 15 wt % poly(ethylene terephthalate) was pyrolyzed in the presence of steam as well as nitrogen, using a fluidized bed reactor with hard burnt lime (HBL) as bed material. The experiments were carried out at 600 and 700 degrees C. Unlike soft burnt lime, HBL exhibited good fluidizing properties, with negligible attrition. The impact of HBL on the product distribution and the ability of HBL to support the degradation of PET under certain conditions were investigated. Compared with experiments done in the presence of quartz sand, the gas yield increased, while the wax fraction was significantly reduced. In the presence of HBL, the benzene yield rose sharply due to the decarboxylation of PET. While terephthalic acid was present in the wax fraction derived from experiments with quartz sand, it was not detected as a part of the wax fraction when HBL was used.
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