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Article

A Prospective Study of the Exploitation of Pelagic Sargassum spp. as a Solid Biofuel Energy Source

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Instituto de Investigación y Posgrados para la Interculturalidad, Universidad Intercultural Indígena de Michoacán, Carretera Pátzcuaro-Huecorio Km3, Pátzcuaro C.P. 61614, Mexico
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Faculty of Wood Engineering and Technology, University Michoacana of San Nicolas of Hidalgo, Edif. D, University Cd, Morelia C.P. 58060, Michoacán, Mexico
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Instituto de Investigación en Metalurgia y Materiales, Universidad Michoacana de Nicolás de Hidalgo, Francisco J. Mújica SN, Ciudad Universitaria, Morelia C.P. 58040, Michoacán, Mexico
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Instituto de Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México, Puerto Morelos C.P. 77580, Quintana Roo, Mexico
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Faculty of Chemical Engineering, University Michoacana of San Nicolas of Hidalgo, Edif. V-1, University Cd, Morelia C.P. 58060, Michoacán, Mexico
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Institute of Economic and Business Research, University Michoacana of San Nicolas of Hidalgo, University Cd, Morelia C.P. 58060, Michoacán, Mexico
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Center for Research in Environmental Geography, National Autonomous University of Mexico, Morelia C.P. 58190, Mexico
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Author to whom correspondence should be addressed.
Appl. Sci. 2020, 10(23), 8706; https://doi.org/10.3390/app10238706
Received: 6 November 2020 / Revised: 23 November 2020 / Accepted: 25 November 2020 / Published: 4 December 2020
(This article belongs to the Special Issue Biomass Energy Utilization Systems)
This study presents a prospective study for the potential exploitation of pelagic Sargassum spp. as a solid biofuel energy source. It was carried out in three stages. First we conducted a morphological, physical-chemical, and structural characterization using scanning electron microscopy (SEM), infrared spectroscopy (FTIR), and X-ray diffraction (DRX), respectively. Second we evaluated the material’s functional properties as a solid biofuel based on its calorific value and the quantification of polymeric components like hemicellulose, cellulose, and lignin, as well as thermogravimetric and differential analysis to study the kinetics of its pyrolysis and determine parameters like activation energy (Ea), reaction order (n), and the pre-exponential factor (Z). Third we analyzed the energetic potential considering the estimated volume of pelagic Sargassum spp. that was removed from beaches along the Mexican Caribbean coast in recent years. Results of the kinetic study indicate that Sargassum spp. has an enormous potential for use as a complement to other bioenergy sources. Other results show the high potential for exploiting these algae as an energy source due to the huge volumes that have inundated Caribbean, West African, and northern Brazil shorelines in recent years. As a solid biofuel, Sargassum spp. has a potential energy the order of 0.203 gigajoules (GJ)/m3. In the energy matrix of the residential sector in Mexico, its potential use as an energy source is comparable to the national consumption of firewood. The volume of beachcast Sargassum spp. that was removed from ~8 km of coastline around Puerto Morelos, Mexico in 2018–2019, could have generated over 40 terajoules/year of solid biofuel. View Full-Text
Keywords: bioenergy; solid biofuel; sustainability; energy renewable; macroalgae bloom bioenergy; solid biofuel; sustainability; energy renewable; macroalgae bloom
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MDPI and ACS Style

López-Sosa, L.B.; Alvarado-Flores, J.J.; Corral-Huacuz, J.C.; Aguilera-Mandujano, A.; Rodríguez-Martínez, R.E.; Guevara-Martínez, S.J.; Alcaraz-Vera, J.V.; Rutiaga-Quiñones, J.G.; Zárate-Medina, J.; Ávalos-Rodríguez, M.L.; Morales-Máximo, M. A Prospective Study of the Exploitation of Pelagic Sargassum spp. as a Solid Biofuel Energy Source. Appl. Sci. 2020, 10, 8706. https://doi.org/10.3390/app10238706

AMA Style

López-Sosa LB, Alvarado-Flores JJ, Corral-Huacuz JC, Aguilera-Mandujano A, Rodríguez-Martínez RE, Guevara-Martínez SJ, Alcaraz-Vera JV, Rutiaga-Quiñones JG, Zárate-Medina J, Ávalos-Rodríguez ML, Morales-Máximo M. A Prospective Study of the Exploitation of Pelagic Sargassum spp. as a Solid Biofuel Energy Source. Applied Sciences. 2020; 10(23):8706. https://doi.org/10.3390/app10238706

Chicago/Turabian Style

López-Sosa, Luis B., José J. Alvarado-Flores, Juan C. Corral-Huacuz, Arturo Aguilera-Mandujano, Rosa E. Rodríguez-Martínez, Santiago J. Guevara-Martínez, Jorge V. Alcaraz-Vera, José G. Rutiaga-Quiñones, Juan Zárate-Medina, María L. Ávalos-Rodríguez, and Mario Morales-Máximo. 2020. "A Prospective Study of the Exploitation of Pelagic Sargassum spp. as a Solid Biofuel Energy Source" Applied Sciences 10, no. 23: 8706. https://doi.org/10.3390/app10238706

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