Simulation of Syngas Production from Lignin Using Guaiacol as a Model Compound

Author

Nancy Eloísa Rodríguez-Olalde (neloisanancy@gmail.com), Erick Alejandro Mendoza-Chávez (alejandhro@hotmail.com), Agustín Jaime Castro-Montoya (ajcastro@umich.mx), Jaime Saucedo-Luna (saucedol@hotmail.com), Rafael Maya-Yescas (rmayay@umich.mx), José Guadalupe Rutiaga-Quiñones (jrutiaga@yahoo.com.mx) and José María Ponce Ortega (jmponce@umich.mx)
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Energies, 2015, vol. 8, issue 7, pages 1-10

Abstract: Lignin is an abundant component in biomass that can be used a feedstock for producing several value-added products, including biofuels. However, lignin is a complex molecule (involving in its structure three types of phenylpropane units: coumaryl, coniferyl and sinapyl), which is difficult to implement in any process simulation task. The lignin from softwood is formed mainly by coniferyl units; therefore, in this work the use of the guaiacol molecule to model softwood lignin in the simulation of the syngas process (H 2 + CO) is proposed. A Gibbs reactor in ASPEN PLUS ® was feed with ratios of water and guaiacol from 0.5 to 20. The pressure was varied from 0.05 to 1.01 MPa and the temperature in the range of 200–3200 °C. H 2 , CO, CO 2 , CH 4 , O 2 and C as graphite were considered in the output stream. The pressure, temperature and ratio water/guaiacol conditions for syngas production for different H 2 /CO ratio are discussed. The obtained results allow to determine the operating conditions to improve the syngas production and show that C as graphite and water decomposition can be avoided.

Keywords: gasification of lignin; guaiacol as lignin model compound; syngas production (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2015
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