Analytical study on pyrolyzed products of Desmodesmus sp cultivated in BG11

文献类型: 外文期刊

第一作者: Li Gang

作者: Li Gang;Huang Zhigang;Ji Fang;Xiang Shunan;Zhou Yuguang;Jiang Mengmeng;Zhou Yuguang;Jiang Mengmeng

作者机构:

关键词: Desmodesmus sp.;microalgae;pyrolyzed products;pyrolysis temperature;bio-oil

期刊名称:INTERNATIONAL JOURNAL OF AGRICULTURAL AND BIOLOGICAL ENGINEERING ( 影响因子:2.032; 五年影响因子:2.137 )

ISSN: 1934-6344

年卷期: 2017 年 10 卷 3 期

页码:

收录情况: SCI

摘要: Pyrolysis-Gas Chromatography-Mass Spectrometry (Py-GC/MS) was adopted to determine the changes in component of BG11-cultivated Desmodesmus sp. (BG11/8-10) pyrolyzed products at different temperatures (300 degrees C-800 degrees C). The results of analysis on a series of total ions chromatogram (TIC) showed that pyrolyzed products of BG11/8-10 at different temperature mainly included aliphatic hydrocarbons, nitrogen compounds, aromatic hydrocarbons, fatty acids, ketones, alcohols, aldehydes and furan compounds. Compared to the bio-oil (42.36%) generated by pyrolysis at 700 degrees C, the relative content of bio-oil generated at 800 degrees C was the highest up to 56.96%. However, higher temperature could easily cause the generation of large quantities of such pollutants as nitrogen compounds and polycyclic aromatic hydrocarbons (PAHs). Therefore, based on lower pollutant discharge and higher bio-oil yield, the optimal pyrolysis temperature of BG11/8-10 was around 700 degrees C.

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