Physicochemical Characterization of Wheat Straw during a Continuous Pretreatment Process

被引：19

作者：

Eduardo Molina-Guerrero, Carlos ^{[1
,2
]}

de la Rosa, Guadalupe ^{[2
,3
]}

Castillo-Michel, Hiram ^{[4
]}

Sanchez, Arturo ^{[5
]}

Garcia-Castaneda, Concepcion ^{[6
]}

Hernandez-Rayas, Angelica ^{[7
]}

Valdez-Vazquez, Idania ^{[8
]}

Suarez-Vazquez, Santiago ^{[9
]}

机构：

[1] Univ Autonoma Chihuahua, Fac Ciencias Quim, Circuito 1,Nuevo Campus Univ, Chihuahua 31125, Mexico

[2] Univ Guanajuato, Dept Ingn Quim Elect & Biomed, Div Ciencias & Ingn, Campus Leon,Loma del Bosque 103, Guanajuato 37150, Mexico

[3] Univ Texas El Paso, UC CEIN, 500 West Univ Ave, El Paso, TX 79968 USA

[4] European Synchrotron Radiat Facil, ID21,BP220, F-38000 Grenoble, France

[5] IPN, Ctr Invest & Estudios Avanzados, Lab Futuros Bioenergia, Unidad Ingn Avanzada, Av Bosque 1145, Zapopan 45019, Jalisco, Mexico

[6] Univ Guanajuato, CONACyT, Loma del Bosque 103, Guanajuato 37150, Mexico

[7] Univ Guanajuato, Dept Ingn Fis, Div Ciencias & Ingn, Campus Leon,Loma del Bosque 103, Guanajuato 37150, Mexico

[8] Univ Nacl Autonoma Mexico, Unidad Acad Juriquilla, Inst Ingn, Blvd Juriquilla 3001, Queretaro 76230, Mexico

[9] Univ Autonoma Nuevo Leon, Fac Ingn Civil, Av Univ S-N,Cd Univ, San Nicolas De Los Garza 66455, Nuevo Leon, Mexico

来源：

CHEMICAL ENGINEERING & TECHNOLOGY | 2018年 / 41卷 / 07期

关键词：

Lignocellulosic biomass; Raman spectroscopy; Silica content; Synchrotron mu-Fourier transform infrared; Wheat straw; STEAM-EXPLOSION; RAMAN-SPECTROSCOPY; FT-RAMAN; ENZYMATIC-HYDROLYSIS; ETHANOL-PRODUCTION; TRITICUM-AESTIVUM; BIOMASS; SURFACE; BIOETHANOL; FERMENTATION;

D O I：

10.1002/ceat.201800107

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

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.

引用

页码：1350 / 1358

页数：9

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