Thermochemical liquefaction of Brassica napus straw: Effect of liquefaction parameters on biocrude

文献类型： 外文期刊

第一作者： Xiao, Zhihua

作者： Xiao, Zhihua;Wu, Qingdan;Zheng, Xiaochen;Zhang, Liqing;Zou, Dongsheng;Liu, Fen;Xiao, Zhihua;Wu, Qingdan;Zheng, Xiaochen;Zhang, Liqing;Zou, Dongsheng;Liu, Fen;Chen, Baoxiong;Wang, Bin

作者机构：

关键词： Rape straw; Thermochemical liquefaction; Biocrude; GC-MS analysis; Higher heating value

期刊名称：INDUSTRIAL CROPS AND PRODUCTS （ 影响因子：6.449； 五年影响因子：6.508 ）

ISSN： 0926-6690

年卷期： 2022 年 188 卷

页码：

收录情况： SCI

摘要： Rape straw (Brassica napus) was used to prepare high-quality biocrude (ORS) through thermochemical liquefaction. The effects of liquefaction temperature, solid-liquid ratio (R-1), and solvent filling ratio (R-2) on the yield of ORS prepared from rape straw were studied. The yield of ORS reached the maximum value (22.11 %) at 340 degrees C, with R-1 10 % and R-2 20 %. GC-MS analysis indicated that at low liquefaction temperatures (<= 300 degrees C) the compounds in ORS were mainly esters, whereas at higher temperatures they were mainly phenolic compounds. Analysis based on the boiling points indicated the presence of mainly C-8, C-9, and C-20 compounds. Elemental analysis and measurement of the higher heating value (HHV) showed that the HHV of ORS at 340 degrees C was 41.36 MJ/kg. The process described in this work not only effectively disposes of rape straw, but also converts it into a potential renewable transportation energy alternative.

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