Citation: LIU Hui-li, HU Jian-hang, WANG Hua, WANG Chao, LI Juan-qin. Effect of temperature on composition of liquid products from pine sawdust gasification[J]. Journal of Fuel Chemistry and Technology, ;2013, 41(2): 189-197. shu

Effect of temperature on composition of liquid products from pine sawdust gasification

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Engineering Research Center of Metallurgical Energy Conservation & Emission Reduction, Ministry of Education, Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, China

Corresponding author: HU Jian-hang,
Received Date: 14 July 2012
Available Online: 24 September 2012
Fund Project: 国家自然科学基金(50906035) (50906035) 云南省应用基础研究基金(2009ZC014M) (2009ZC014M) 云南省教育厅科学研究基金(09Z0015)。 (09Z0015)

The gasification of pine sawdust in an updraft gasifier was carried out at 400~900℃ to investigate the effect of temperature on the composition of the liquid products and their chemical origins. The liquid products were analyzed by using Fourier transform infrared spectroscopy (FT-IR) and gas chromatography/mass spectrometry (GC/MS). The results showed that the primary liquid products are mainly composed of oxygenated compounds such as ketones, furans and guaiacols. The composition of the liquid products change largely with the gasification temperature: the guaiacols are transformed to phenolics at 400~500℃; the ketones and the furans are converted to phenolics at 500~600℃; the transformation of the phenolics to indenes and PAHs (polycyclic aromatic hydrocarbons) occurs at 600~700℃ and the phenolics to PAHs at 700~900℃; at 900℃, the liquid products were exclusively composed of larger PAHs.
- pine sawdust,
- gasification,
- liquid products,
- FT-IR,
- GC/MS
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