Investigation on Pyrolysis of Microalgae Botryococcus braunii and Hapalosiphon sp.

被引：44

作者：

Liu, Yong-Qiang ^{[1
]}

Lim, Lingo R. X. ^{[1
]}

Wang, Jing ^{[1
]}

Yan, Rong ^{[1
]}

Mahakhant, Aparat ^{[2
]}

机构：

[1] Nanyang Technol Univ, Inst Environm Sci & Engn, Singapore 637723, Singapore

[2] Thailand Inst Sci & Technol Res TISTR, Dept Biosci, Khlong Luang 12120, Pathum Thani, Thailand

来源：

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 2012年 / 51卷 / 31期

关键词：

EXTRACTION; ALGAE; BIODIESEL; HYDROGEN; KINETICS; MOSSES; OILS;

D O I：

10.1021/ie202799e

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

In this study, the thermochemical characteristics of two types of microalgae, namely Hapalosiphon sp. and Botryococcus braunii, were investigated by use of a thermogravimetric analyzer. The low calorific value of Hapalosiphon sp. was 14.75 MJ kg(-1), which is close to that of sewage sludge or lignocellulosic biomass. However, the low calorific value of B. braunii was as high as 35.58 MJ kg(-1) due to 89% of total C and H contents in biomass. Pyrolytic results indicated that the two microalgae had similar pyrolytic temperature ranges. In addition, with increased heating rates, the pyrolytic curves of the microalgae shifted to a higher temperature. However, derivative thermogravimetric (DTG) profiles of the two microalgae are distinct, which showed that different reactions were involved in the pyrolysis process. Hapalosiphon sp. has a lower mean activation energy than B. braunii in the pyrolysis process.

引用

页码：10320 / 10326

页数：7

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