Optimization by Response Surface Methodology of EthanosolvLignin Recovery from Coconut Fiber, Oil Palm Mesocarp Fiber, andSugarcane Bagasse

被引：6
|
作者：
Marques, Francisco P. [1 ]
Colares, Aldo S. [2 ]
Cavalcante, Maria N. [2 ]
Almeida, Jessica S. [3 ]
Lomonaco, Diego [1 ]
Silva, Lorena M. A. [2 ]
Rosa, Morsyleide de Freitas [2 ]
Leitao, Renato C. [2 ]
机构：
[1] Univ Fed Ceara, Dept Organ & Inorgan Chem, BR-60440900 Fortaleza, Ceara, Brazil
[2] Embrapa Agroind Trop, BR-60511110 Fortaleza, Ceara, Brazil
[3] Univ Fed Ceara, Chem Engn Dept, BR-60453760 Fortaleza, CE, Brazil
来源：
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 2022年 / 61卷 / 11期
关键词：
ETHANOL ORGANOSOLV PROCESS; SUGARCANE BAGASSE; LIGNIN; EXTRACTION; CELLULOSE; FRACTIONATION; PRETREATMENT; STRAW;
D O I：
10.1021/acs.iecr.1c04362
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The optimization of lignin recovery from coconutfiber (CF), oil palm mesocarpfiber (OPMF), and sugarcanebagasse (SCB) using ethanol organosolv was investigated as well asthe resulting lignin characteristics. Ethanol organosolv ligninrecovery was successfully optimized, and the lignin yield (YL)was maximized. Ethanol concentration and temperature higherthan 74% and 187 degrees C maximized theYL, playing a significant rolein lignin yield.YLwas higher for SCB than for other biomasses.High-purity and high-quality lignins were obtained with slightlydifferent structural characteristics among the raw materials. Theobtained lignins were thep-hydroxyphenyl-guaiacyl-syringyl typewith a purity higher than 86%. SCB lignin seemed to be a betterchoice than CF and OPMF lignins for application in aromatic polymerization, because of its higher lignin yield, higher purity, higherthermal stability, and more reactive sites.
引用
收藏
页码：4058 / 4067
页数：10
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