Geopolymers
Inorganic polymeric new materials
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Romulo D. A. Andrade
Romulo D. A. Andrade
Quimera Team, Federal Institute of Technologic Education of Rio Verde, Rio Verde G.O, C.P. 66, Rio Verde 75910-970, Brazil
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Elaine A. Faria
Elaine A. Faria
Quimera Team, Federal Institute of Technologic Education of Rio Verde, Rio Verde G.O, C.P. 66, Rio Verde 75910-970, Brazil
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Amaury M. Silva
Amaury M. Silva
Quimera Team, Federal Institute of Technologic Education of Rio Verde, Rio Verde G.O, C.P. 66, Rio Verde 75910-970, Brazil
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Wandallas C. Araujo
Wandallas C. Araujo
Quimera Team, Federal Institute of Technologic Education of Rio Verde, Rio Verde G.O, C.P. 66, Rio Verde 75910-970, Brazil
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Gustavo C. Jaime
Gustavo C. Jaime
Quimera Team, Federal Institute of Technologic Education of Rio Verde, Rio Verde G.O, C.P. 66, Rio Verde 75910-970, Brazil
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Kenia P. Costa
Kenia P. Costa
QuiCSI Team, Institute of Chemistry, University of Brasilia, C.P. 4478, Brasilia, DC, 70904-970, Brazil
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Alexandre G. S. Prado
Alexandre G. S. Prado
QuiCSI Team, Institute of Chemistry, University of Brasilia, C.P. 4478, Brasilia, DC, 70904-970, Brazil
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Abstract
The Brazilian government has presented a biofuel program, which aims the addition of 2% of biofuel in fossil diesel in 2008 and 5% up to 2013. Thus, the knowledge of heat of combustion of biofuel/diesel blends is necessary. The biodiesel was produced by transesterification of soybean oil with a yield of 87%. The diesel-like was obtained by pyrolysis of soybean oil. This biofuel presented all parameters according to ANP. The obtained heats of combustion were 41.36 ± 0.17; 38.70 ± 0.16; and 36.71 ± 0.17 MJ/kg for diesel, diesel-like and biodiesel, respectively. The results show that the heats of combustion of biofuels are approximately 17% smaller than fossil diesel. The obtained data also show that the heats of combustion depend on the methodology used for the biofuel production. Addition of biofuels to traditional diesel fuel results in a linear decreasing of the heat of combustion with the amount of the alternative fuel added to the diesel.
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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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Temperature dependence of the rate of reaction in thermal analysis
The Arrhenius equation in condensed phase kinetics
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