Water-soluble and -insoluble biocrude production from hydrothermal liquefaction of microalgae with catalyst

被引：5

作者：

Xu, Donghai ^{[1
]}

Guo, Shuwei ^{[1
]}

Liu, Liang ^{[1
]}

Wu, Zhiqiang ^{[2
]}

Wang, Yang ^{[1
]}

Lin, Guike ^{[1
]}

机构：

[1] Xi An Jiao Tong Univ, Sch Energy & Power Engn, Minist Educ, Key Lab Thermofluid Sci & Engn, Xian 710049, Shaanxi, Peoples R China

[2] Xi An Jiao Tong Univ, Sch Chem Engn & Technol, Xian 710049, Shaanxi, Peoples R China

来源：

INNOVATIVE SOLUTIONS FOR ENERGY TRANSITIONS | 2019年 / 158卷

基金：

中国国家自然科学基金;

关键词：

hydrothermal liquefaction; microalgae; heterogeneous catalyst; water-soluble biocrude; water-insoluble biocrude; PRETREATED ALGAL OIL; FRACTIONS;

D O I：

10.1016/j.egypro.2019.01.052

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Hydrothermal liquefaction (HTL) of microalgae produces water-soluble biocrude (WSB) and water-insoluble biocrude (WISB) simultaneously. The effects of heterogeneous catalysts (i.e. Pt/C, Ru/C, Pt/C+Ru/C) on the properties of the two types of biocrudes from Chlorella HTL were explored herein for the first time. The results show that Pt/C was favorable for the production of WISB, and reduced the WSB fraction in WSB+WISB, and obtained the highest C, H contents and the lowest N, O contents in WSB, and led to the highest yield (37.09 wt.%) and energy recovery (71.04%) of total biocrude (WSB+WISB). The WISB produced with Pt/C mainly consisted of amides (48.19%), hydrocarbons (17.68%), organic acids (12.78%), and phenols (7.74%). Pt/C prompted the cracking of high-molecular-weight compounds and the formation of low-boiling-point compounds. (C) 2019 The Authors. Published by Elsevier Ltd.

引用

页码：97 / 102

页数：6

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