微藻水热液化生物油化学性质与表征方法综述

doi:10.11949/j.issn.0438-1157.20151582

摘要/Abstract

摘要：

微藻水热液化生物油由于性质较差,不能直接作为车载燃料使用,与现代石油炼制工艺结合是一种新的应用途径。综述了微藻生物油的化学性质,包括化学组成、官能团组成与杂原子化合物组成等信息,比较分析了GC-MS、FTIR、NMR和FT-ICR MS等表征方法的异同,简要回顾了微藻水热液化反应机理和精制方法。重点指出微藻水热液化生物油中含氧、含氮化合物含量较高,并具有较高的芳香度和不饱和度,催化加氢精制能够有效脱除杂原子,并增加烷烃含量。微藻基生物燃料的发展,不仅需要精制工艺的提升,也有赖于表征方法的进步。

关键词: 生物油, 微藻, 水热液化, 官能团, 杂原子

Abstract:

Hydrothermal liquefaction (HTL) bio-crude from microalgae cannot be directly used as transportation fuels due to poor quality. A new approach for its application is integration of it and modern petroleum processing industry. The chemical properties of HTL bio-crude, including chemical composition, functional groups and heteroatom compounds constitution are summarized in this paper. The characterization methods including GC-MS, FTIR, NMR, FT-ICR MS were compared and analyzed. Formation mechanism and upgrading of HTL bio-crude were also briefly reviewed. The focus is on higher oxygenated and nitrogenous compounds content in HTL bio-crude, higher aromaticity and unsaturation degree comparing with heavy crude oil or residue oil. Catalytic hydrotreating could effectively remove heteroatom and increase hydrocarbon content. The development of microalgae-based bio-fuels depends on not only the progress in upgrading technique but also the improvement of characterization methods.

Key words: bio-crude, microalgae, hydrothermal liquefaction, functional group, heteroatom

中图分类号:

张冀翔, 蒋宝辉, 王东, 魏耀东. 微藻水热液化生物油化学性质与表征方法综述[J]. 化工学报, 2016, 67(5): 1644-1653.

ZHANG Jixiang, JIANG Baohui, WANG Dong, WEI Yaodong. Chemical properties and characterization methods for hydrothermal liquefaction bio-crude from microalgae: a review[J]. CIESC Journal, 2016, 67(5): 1644-1653.

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