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      Caracterización del pasto mombaza como materia prima para producir bioetanol Translated title: Characterization of mombaza grass as raw material to produce bioethanol

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          Abstract

          Resumen El objetivo de este estudio realizado en 2017 fue caracterizar el pasto mombaza (Megathyrsus maximus) para evaluar su potencial como materia prima para la producción de biocombustible líquido (bioetanol). La producción anual de biomasa, el poder calorífico, la composición química y el rendimiento teórico de bioetanol fueron determinadas en cuatro frecuencias de corte (30, 60, 90 y 120 d después del rebrote). Los datos se analizaron con el procedimiento GLM (SAS) y las medias de los tratamientos se compararon con la prueba de Tukey (p( 0.05). La mayor producción de biomasa, poder calorífico, producción de energía, producción de bioetanol, FDN, LDA y hemicelulosa se obtuvieron en la frecuencia de corte de 120 d con 11 Mg ha-1 año-1; 16.1 MJ kg-1; 178.4 GJ ha-1 año-1; 238.2 L Mg-1 MS y 68.6, 6.5, 23.3%, respectivamente. No obstante, el mayor contenido de celulosa y FDA se encontraron en la frecuencia de corte de 90 d, con 41.2 y 47.4%, respectivamente. Los valores más altos de humedad, PC y cenizas se encontraron en la frecuencia de corte de 30 d con valores de 8.2, 10.4 y 12.1%, respectivamente, mientras que el contenido de EE fue mayor en la frecuencia de corte de 60 d (1.6%). De acuerdo con los resultados obtenidos en este estudio el pasto mombaza (Megathyrsus maximus) puede ser considerado como una materia prima atractiva para la producción de bioetanol en climas tropicales.

          Translated abstract

          Abstract The objective of this study, made in 2017, was to characterize mombaza grass (Megathyrsus maximus) to assess its potential as a raw material for the production of liquid biofuel (bioethanol). Annual biomass production, calorific power, chemical composition and theoretical bioethanol yield were determined at four cutting frequencies (30, 60, 90 and 120 d after regrowth). The data were analyzed with the GLM (SAS) procedure and the means of the treatments were compared with the Tukey test (p( 0.05). The highest biomass production, calorific power, energy production, bioethanol production, FDN, LDA and hemicellulose were obtained at the cutting frequency of 120 d with 11 Mg ha-1 year-1; 16.1 MJ kg-1; 178.4 GJ ha-1 year-1; 238.2 L Mg-1 MS and 68.6, 6.5, 23.3%, respectively. However, the highest cellulose and FDA content were found at the cutting frequency of 90 d, with 41.2 and 47.4%, respectively. The highest values of humidity, PC and ash were found at the cutting frequency of 30 d with values of 8.2, 10.4 and 12.1%, respectively, while the EE content was higher at the cutting frequency of 60 d (1.6%). According to the results obtained in this study mombaza grass (Megathyrsus maximus) can be considered as an attractive raw material for the production of bioethanol in tropical climates.

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          Most cited references38

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          Feedstocks for lignocellulosic biofuels.

          In 2008, the world produced approximately 87 gigaliters of liquid biofuels, which is roughly equal to the volume of liquid fuel consumed by Germany that year. Essentially, all of this biofuel was produced from crops developed for food production, raising concerns about the net energy and greenhouse gas effects and potential competition between use of land for production of fuels, food, animal feed, fiber, and ecosystem services. The pending implementation of improved technologies to more effectively convert the nonedible parts of plants (lignocellulose) to liquid fuels opens diverse options to use biofuel feedstocks that reach beyond current crops and the land currently used for food and feed. However, there has been relatively little discussion of what types of plants may be useful as bioenergy crops.
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            Lignocellulosic biomass for bioethanol production: Current perspectives, potential issues and future prospects

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              Biofuels Production through Biomass Pyrolysis —A Technological Review

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                Author and article information

                Journal
                remexca
                Revista mexicana de ciencias agrícolas
                Rev. Mex. Cienc. Agríc
                Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias (Texcoco, Estado de México, Mexico )
                2007-0934
                March 2021
                : 12
                : 2
                : 235-246
                Affiliations
                [2] Texcoco orgnameColegio de Postgraduados Mexico saomar87@ 123456gmail.com
                [3] Zapopan Jalisco orgnameCentro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco Mexico ibarrera@ 123456ciatej.mx
                [1] Saltillo orgnameUniversidad Autónoma Agraria Antonio Narro Mexico joelventur@ 123456gmail.com
                [4] Tlahuapan orgnameInstituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias Mexico ahonorato650@ 123456gmail.com
                Article
                S2007-09342021000200235 S2007-0934(21)01200200235
                10.29312/remexca.v12i2.2441
                c6ed3641-9b37-492e-bba4-3b9a53f87ef5

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 01 March 2021
                : 01 January 2021
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 38, Pages: 12
                Product

                SciELO Mexico

                Categories
                Artículos

                valor calorífico,biofuel,biomass,calorific value,chemical composition grass,biocombustible,composición química pasto,biomasa

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