Physicochemical Characterization of Wheat Straw during a Continuous Pretreatment Process
Por:
Eduardo Molina-Guerrero, Carlos, de la Rosa, Guadalupe, Castillo-Michel, Hiram, Sanchez, Arturo, Garcia-Castaneda, Concepcion, Hernandez-Rayas, Angelica, Valdez-Vazquez, Idania, Suarez-Vazquez, Santiago
Publicada:
1 jul 2018
Resumen:
The changes occurring during the depolymerization of lignocellulosic
biomasses are not yet fully understood. Synchrotron micro-Fourier
transform infrared (mu-FTIR), Raman spectroscopy (RS), X-ray diffraction
(XRD), and X-ray fluorescence (XRF) were applied for better
characterization of wheat straw fibers during a continuous pretreatment
process in terms of conditioning (C), extrusion (E), steam explosion
(SE), and enzymatic hydrolysis (EH). mu-FTIR revealed functional groups
as phenylpropanoid polymers, ethers, and aliphatic alcohol. RS detected
acetoacetate, methyl and phenol groups after SE. The crystallinity index
and silica content were also determined.
Filiaciones:
Eduardo Molina-Guerrero, Carlos:
Univ Autonoma Chihuahua, Fac Ciencias Quim, Circuito 1,Nuevo Campus Univ, Chihuahua 31125, Mexico
Univ Guanajuato, Dept Ingn Quim Elect & Biomed, Div Ciencias & Ingn, Campus Leon,Loma del Bosque 103, Guanajuato 37150, Mexico
de la Rosa, Guadalupe:
Univ Guanajuato, Dept Ingn Quim Elect & Biomed, Div Ciencias & Ingn, Campus Leon,Loma del Bosque 103, Guanajuato 37150, Mexico
Univ Texas El Paso, UC CEIN, 500 West Univ Ave, El Paso, TX 79968 USA
Castillo-Michel, Hiram:
European Synchrotron Radiat Facil, ID21,BP220, F-38000 Grenoble, France
Sanchez, Arturo:
IPN, Ctr Invest & Estudios Avanzados, Lab Futuros Bioenergia, Unidad Ingn Avanzada, Av Bosque 1145, Zapopan 45019, Jalisco, Mexico
Garcia-Castaneda, Concepcion:
Univ Guanajuato, CONACyT, Loma del Bosque 103, Guanajuato 37150, Mexico
Hernandez-Rayas, Angelica:
Univ Guanajuato, Dept Ingn Fis, Div Ciencias & Ingn, Campus Leon,Loma del Bosque 103, Guanajuato 37150, Mexico
Valdez-Vazquez, Idania:
Univ Nacl Autonoma Mexico, Unidad Acad Juriquilla, Inst Ingn, Blvd Juriquilla 3001, Queretaro 76230, Mexico
Suarez-Vazquez, Santiago:
Univ Autonoma Nuevo Leon, Fac Ingn Civil, Av Univ S-N,Cd Univ, San Nicolas De Los Garza 66455, Nuevo Leon, Mexico
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