The role of polysaccharides and proteins in bio-oil production during the hydrothermal liquefaction of algae species

被引：12

作者：

Yang, Wenchao ^{[1
]}

Wang, Zhaowei ^{[2
]}

Han, Jianbo ^{[1
]}

Song, Shuang ^{[2
]}

Zhang, Yong ^{[3
]}

Gong, Weimin ^{[2
]}

机构：

[1] State Ocean Adm, Natl Marine Environm Monitoring Ctr, Key Lab Coastal Ecol & Environm, Linghe Rd 42, Dalian 116023, Peoples R China

[2] Dalian Maritime Univ, Coll Environm Sci & Engn, Linghai Rd 1, Dalian 116026, Peoples R China

[3] State Ocean Adm, Dalian Marine Environm Monitoring Ctr Stn, Hutan Rd 47A, Dalian 116015, Peoples R China

来源：

RSC ADVANCES | 2019年 / 9卷 / 71期

基金：

中国国家自然科学基金;

关键词：

BIOCRUDE YIELD; MICROALGAE; MODEL; PREDICTION; PATHWAYS; BIOMASS; TEMPERATURE; COMPONENTS; CONVERSION; KINETICS;

D O I：

10.1039/c9ra07150d

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In order to understand the effects of the major algal components-carbohydrates and proteins on the hydrothermal liquefaction (HTL) process of algae, the HTL of polysaccharides or proteins with lipids was performed at 220, 260, 300 degrees C, respectively. Bio-oil yields and qualities were investigated and compared with the individual liquefaction of the major algal components. Results show that the presence of polysaccharides or proteins has little effect on bio-oil yield but increased the HHV and significantly changed the boiling point distribution as compared with the HTL of lipids. The compositions of bio-oils from the HTL of binary mixtures were similar to that from the HTL of lipids. Heavy components in bio-oil were increased in the presence of polysaccharides or proteins, which was mainly caused by the hydrolysis product of polysaccharides/proteins being easily polymerized during the HTL process, forming macromolecular compounds into bio-oil.

引用

页码：41962 / 41969

页数：8

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