Two-step thermal conversion of oleaginous microalgae into renewable hydrocarbons

被引：10

作者：

Espinosa-Gonzalez, Isabel ^{[1
]}

Asomaning, Justice ^{[1
]}

Mussone, Paolo ^{[1
]}

Bressler, David C. ^{[1
]}

机构：

[1] Univ Alberta, Dept Agr Food & Nutr Sci, Biorefining Convers & Fermentat Lab, Edmonton, AB T6G 2P5, Canada

来源：

BIORESOURCE TECHNOLOGY | 2014年 / 158卷

关键词：

Chlorella protothecoides; Lipids; Hydrolysis; Pyrolysis; Renewable hydrocarbons; HYDROTHERMAL LIQUEFACTION; CHLORELLA-PROTOTHECOIDES; BIODIESEL PRODUCTION; ALGAL BIOMASS; BIO-OIL; CRACKING; EXTRACTION; CHEMICALS; CANOLA;

D O I：

10.1016/j.biortech.2014.01.080

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

The aim of this study was to evaluate the conversion of microalgal biomass to renewable chemicals and fuels through a two-step reaction and separation process. High density Chlorella protothecoides culture with 40% lipid accumulation (dwb) was produced in 10 L bioreactors and hydrolyzed in batch stainless steel reactors under subcritical conditions. After hydrolysis, fatty acids free of sulfur and low in nitrogen and salts, were recovered by hexane extraction. The fatty acids were pyrolyzed at 410 degrees C for 2 h under N-2 yielding n-alkanes, alpha-olefins and internal olefins and low molecular weight fatty acids. This study demonstrated the direct conversion of microalgal biomass into valuable platform chemicals and fuels compatible with the existing industrial hydrocarbon infrastructure. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：91 / 97

页数：7

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