研究在较宽的热解温度范围内在回转窑式反应器中对废轮胎的热解。
Study of waste tire pyrolysis in a rotary kiln reactor in a wide range of pyrolysis temperature.
机构信息
Computational Fluid Dynamics (CFD) Research Laboratory, School of Chemical, Petroleum and Gas Engineering, Iran University of Science and Technology (IUST), 16846-13114 Tehran, Iran.
Computational Fluid Dynamics (CFD) Research Laboratory, School of Chemical, Petroleum and Gas Engineering, Iran University of Science and Technology (IUST), 16846-13114 Tehran, Iran.
出版信息
Waste Manag. 2019 Feb 15;85:195-201. doi: 10.1016/j.wasman.2018.12.020. Epub 2018 Dec 31.
Thermal pyrolysis of waste tires without metals has been studied in a rotating kiln reactor under nitrogen atmosphere. The pyrolysis temperature was varied in a wide range from 400 up to 1050 °C to investigate the effect of temperature on pyrolysis products. The pyrolytic oil during each pyrolysis process was reported in different pyrolysis times. It was found that the maximum yield of pyrolytic oil was 44 wt% in 550 °C. However, by raising the temperature of the pyrolysis process, the yield of produced gas increased, while the yield of produced char decreased. In addition, Fourier transform infrared spectroscopy (FT-IR) was performed in order to specify functional groups and types of bonds at different temperatures. FT-IR analysis showed the presence of some undesired compounds with sulphur and nitrogen functionalities in pyrolytic oil. Also, the properties of maximum produced oil were analyzed. The distillation data of maximum pyrolytic oil revealed that there was 14%, 4%, and 36% of light naphtha (>160 °C), heavy naphtha (160-200 °C) and middle distillate (200-350 °C), respectively and the fraction of VGO (<350 °C) was 46%.
在氮气气氛下的旋转窑反应器中研究了不含金属的废轮胎的热解。在很宽的温度范围内（400 至 1050°C）改变热解温度，以研究温度对热解产物的影响。在不同的热解时间报告了每个热解过程中的热解油。结果发现，在 550°C 时，热解油的最大收率为 44wt%。然而，通过提高热解过程的温度，产生气体的产率增加，而产生的炭的产率降低。此外，还进行了傅里叶变换红外光谱（FT-IR）分析，以确定不同温度下的官能团和键的类型。FT-IR 分析表明，热解油中存在一些含有硫和氮官能团的不期望的化合物。此外，还分析了最大产油的性质。最大热解油的蒸馏数据表明，轻石脑油（>160°C）、重石脑油（160-200°C）和中间馏分（200-350°C）分别占 14%、4%和 36%，而 VGO（<350°C）的馏分则占 46%。
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