Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 93: Issue 2
Thermal analysis studies on combustion characteristics of seaweed
Authors:
L. Yu Shanghai Jiao Tong University Institute of Thermal Energy Engineering Shanghai 200240 P. R. China

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S. Wang Shanghai Jiao Tong University Institute of Thermal Energy Engineering Shanghai 200240 P. R. China

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X. Jiang Shanghai Jiao Tong University Institute of Thermal Energy Engineering Shanghai 200240 P. R. China

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N. Wang Shanghai Jiao Tong University Institute of Thermal Energy Engineering Shanghai 200240 P. R. China

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C. Zhang Shanghai Jiao Tong University Institute of Thermal Energy Engineering Shanghai 200240 P. R. China

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Pages:
611–617
Online Publication Date:
22 Jul 2008
Publication Date:
01 Aug 2008
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10973-007-8274-6
Keywords:
combustion model; ignition; seaweed; simultaneous thermogravimetry/differential thermal analysis
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Abstract  

Combustion experiments of three typical seaweeds (Gracilaria cacalia, Enteromorpha clathrata and Laminaria japonica) have been studied using a DTA-60H Thermal Analyzer and the combustion processes and characteristics are studied. Thermogravimetric experiments are carried out on the samples with 0.18 mm particle size at the heating rate of 20°C min−1. The results indicate that the ignition mode of seaweed is homogeneous and the combustion process is composed of dehydration, the pyrolysis and combustion of volatile, transition stage, the combustion of char as well as the reaction at high temperature. And the combustion characteristic parameters are obtained such as ignition temperature, maximum rate of combustion, burnout temperature etc. The combustion models of these seaweeds are also analyzed. The combustion characteristics and model differences between the seaweed and woody biomass are caused by the differences of volatile components. The combustibility indexes of seaweeds calculated are better than that of woody biomass, and the index of Gracilaria cacalia is the best. At last, activation energies are determined using Arrhenius model that is solved by binary linear regression method.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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