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Literature survey and an experimental study of coal devolatilization at mild and severe conditions: Influence of heating rate, temperature, and reactor type on product yield and composition.

机译:文献调查和轻度和重度条件下煤炭脱挥发分的实验研究:加热速率,温度和反应器类型对产物产率和组成的影响。

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The objectives of this study were to investigate how relatively mild operating conditions (i.e., relatively low temperatures and pressures) influence product quality by comparing devolatilized products obtained at various temperatures and heating rates. Fixed-, fluid-, and entrained-flow reactor units were used to obtain pyrolysis products. In addition, available literature data on tar yield in various reactor units at a range of temperatures and residence times were surveyed and compared with the data generated in the present study. Liquids were characterized by a number of techniques (e.g., field ionization mass spectroscopy or FIMS, sequential elution solvent chromatography or SESC, fourier transform infrared spectroscopy or FTIR, elemental analysis). 34 refs., 21 figs., 2 tabs.

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