Co-pyrolysis characteristics of microalgae Isochrysis and Chlorella: Kinetics, biocrude yield and interaction

被引：61

作者：

Zhao, Bingwei ^{[1
]}

Wang, Xin ^{[1
]}

Yang, Xiaoyi ^{[1
]}

机构：

[1] Beihang Univ, Sch Energy & Power Engn, Energy & Environm Int Ctr, Beijing 100191, Peoples R China

来源：

BIORESOURCE TECHNOLOGY | 2015年 / 198卷

关键词：

Microalgae; Co-pyrolysis; Kinetics; Biocrude; Carbon distribution; BIOMASS; SLUDGE; BLENDS;

D O I：

10.1016/j.biortech.2015.09.021

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

Co-pyrolysis characteristics of Isochrysis (high lipid) and Chlorella (high protein) were investigated qualitatively and quantitatively based on DTG curves, biocrude yield and composition by individual pyrolysis and co-pyrolysis. DTG curves in co-pyrolysis have been compared accurately with those in individual pyrolysis. An interaction has been detected at 475-500 degrees C in co-pyrolysis based on biocrude yields, and co-pyrolysis reaction mechanism appear three-dimensional diffusion in comparison with random nucleation followed by growth in individual pyrolysis based on kinetic analysis. There is no obvious difference in the maximum biocrude yields for individual pyrolysis and co-pyrolysis, but carboxylic acids (IC21) decreased and N-heterocyclic compounds (IC12) increased in co-pyrolysis. Simulation results of biocrude yield by Components Biofuel Model and Kinetics Biofuel Model indicate that the processes of co-pyrolysis comply with those of individual pyrolysis in solid phase by and large. Variation of percentage content in co-pyrolysis and individual pyrolysis biocrude indicated interaction in gas phase. (C) 2015 Published by Elsevier Ltd.

引用

页码：332 / 339

页数：8

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