期刊
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
卷 91, 期 1, 页码 273-279出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jaap.2011.03.002
关键词
Catalytic fast pyrolysis; ZnCl2; Furfural; Multi-production; Corncob
资金
- National Natural Science Foundation of China [50976032]
- Nature Science Foundation of Beijing [3101001]
- National Basic Research Program of China [2007CB210203, 2009CB219801]
- Fundamental Research Funds for the Central Universities [09ZG03]
Fast pyrolysis of biomass materials impregnated with ZnCl2 offered a promising way to obtain a liquid product rich in furfural (FF) and acetic acid (AA), and the pyrolytic solids could be used as the precursors to prepare activated carbons (ACs). In this study, a lab-scale fast pyrolysis set was designed and used for the quantitative production of the three chemicals. The maximum FF was produced from the corncob impregnated with at least 15 wt% ZnCl2 and at the pyrolysis temperature around 340 degrees C. with the yield of more than 8 wt% compared with only 0.49 wt% from the raw corncob. Meanwhile, AA of around 4 wt% could be obtained. The content of the FF and AA was over 50 wt% and 25 wt% on the water-free basis of the pyrolytic liquids. In addition, ACs were prepared from the pyrolytic solids, and they exhibited similar properties as those prepared from direct activation of ZnCl2-impregnated biomass materials. (C) 2011 Elsevier B.V. All rights reserved.
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