Experiments on the catalytic pyrolysis of corn stover and catalytic reforming of pyrolysis vapors were conducted in a tubular fixed-bed reactor. The influence of reaction temperature, pyrolysis catalysts, dosage of pyrolysis catalysts and dosage of reforming catalysts were investigated. The results showed that with the increase of reaction temperature, the oil and char yields decreased and the gas yield increased. The highest-quality bio-oil was achieved at the reaction temperature of 400 °C, and dolomite showed a best performance on the biomass pyrolysis compared to other catalysts. Besides, When the dosage of pyrolysis catalyst was 1 g, the relative content of aromatic was 43.92 wt% and the relative content of acids was 47.58 wt%, and when the dosage of reforming catalyst was 2 g, the relative content of aromatic was 34.1 wt% and the relative content of acids was 58.7 wt%.
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