Co-liquefaction of micro- and macroalgae in subcritical water

被引：93

作者：

Jin, Binbin ^{[1
]}

Duan, Peigao ^{[1
]}

Xu, Yuping ^{[1
]}

Wang, Feng ^{[1
]}

Fan, Yunchang ^{[1
]}

机构：

[1] Henan Polytech Univ, Coll Phys & Chem, Dept Appl Chem, Jiaozuo 454003, Henan, Peoples R China

来源：

BIORESOURCE TECHNOLOGY | 2013年 / 149卷

基金：

美国国家科学基金会;

关键词：

Spirulina platensis; Entermorpha prolifera; Co-liquefaction; Subcritical water; Bio-oil; HYDROTHERMAL LIQUEFACTION; BIO-OIL; SUPERCRITICAL WATER; BIOFUEL PRODUCTION; NANNOCHLOROPSIS SP; PYROLYSIS; BIOMASS; PRODUCT; GASIFICATION; ALGAE;

D O I：

10.1016/j.biortech.2013.09.045

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

Co-liquefaction of microalgae (Spirulina platensis, SP) and macroalgae (Entermorpha prolifera, EP) was studied in subcritical water by using a stainless-steel batch reactor at different temperature (250 to 370 degrees C), time (5 to 120 min), SP/EP mass ratio (0 to 100%), and water/algae mass ratio (1:1 to 6:1). The results suggested that a positive synergetic effect existed during the co-liquefaction of SP and EP, and this synergetic effect was dependent on reaction conditions. Co-liquefaction alleviated the severe reaction conditions compared to the separate liquefaction of SP and EP and also promoted the in situ deoxygenation of the bio-oil. The higher-heating-value of bio-oil produced from the co-liquefaction of SP and EP (w(SP):w(EP) = 1) is 35.3 MJ/kg. The energy recovery from the co-liquefaction is larger than the average value from the separate liquefaction of SP and EP. Co-liquefaction did not affect the molecular composition but affect the relative amount of each component in the bio-oil. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：103 / 110

页数：8

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