Na_2CO_3 Catalytic Decomposition of Wheat Straw in Supercritical Methanol

Hong-Lei Yan; Hai-Tao Wang; Zhan-Ku LiJing-Chong YanZhi-Ping LeiShi-Biao RenZhi-Cai WangShi-Gang KangHeng-Fu Shui

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Na_2CO_3 Catalytic Decomposition of Wheat Straw in Supercritical Methanol

机译：Na_2CO_3 小麦秸秆在超临界甲醇中的催化分解

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Catalytic methanolysis of wheat straw (WS) pretreated by Na_2CO_3 with different concentrations was performed at 270 and 300℃, respectively. The samples without pretreatment and with pretreatment by 0.1 and 0.5 mol/L Na_2CO_3 were denoted as WS_0, WS_(0.1) and WS_(0.5), respectively. The results show that the maximum and minimum yields of bio-oil were obtained from catalytic methanolysis of WS_(0.1) and WS_(0.5), respectively. In addition, the yield of bio-oil and the conversion at 300℃ were both higher than that at 270℃. Compounds identified with gas chromatograph/mass spectrometer (GC/MS) in bio-oil were classified into alcohols, alkanes, esters, furans, cyclopentanones, phenols, aldehydes, benzenes, ketones, nitrogen-containing compounds and other compounds. FTIR analysis of bio-oil shows that most of soluble organic compounds are oxygen-containing species and phenols are the most abundant in bio-oil. The relative content (about 10) of phenols in bio-oil of WS_(0.1) and WS_(0.5) were lower than that in WS_0, while the relative content of furans and esters increases about 10. These facts indicate that a certain dose of Na_2CO_3 was able to promote the methanolysis of cellulose and facilitate a further decomposition of lignin.

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来源
《Solid fuel chemistry》 |2021年第1期|S32-S37|共6页
作者
Hong-Lei Yan; Hai-Tao Wang; Zhan-Ku LiJing-Chong YanZhi-Ping LeiShi-Biao RenZhi-Cai WangShi-Gang KangHeng-Fu Shui;
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作者单位

School of Chemistry and Chemical Engineering, Anhui Province Key Laboratory of Coal Clean Conversion and High Valued Utilization, Anhui University of Technology, Ma'anshan, 243002 Anhui, China;

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正文语种英语
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wheat straw; Na_2CO_3; catalytic methanolysis; GC/MS analysis;

机译：小麦秸秆;Na_2CO_3;催化甲醇解;GC/MS分析;

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1. The Effects of Three Mineral Nitrogen Sources and Zinc on Maize and Wheat Straw Decomposition and Soil Organic Carbon [J] . Ogunniyi Jumoke Esther, GUO Chun-hui, TIAN Xiao-hong, 农业科学学报（英文版） . 2014,第12期
2. Relationship between the chemical structure of straw and composition of main microbial groups during the decomposition of wheat and maize straws as affected by soil texture [J] . Li Dandan, Li Zengqiang, Zhao BingziZhang Jiabao Biology and fertility of soils: Cooperating Journal of the International Society of Soil Science . 2020,第1期

机译：Relationship between the chemical structure of straw and composition of main microbial groups during the decomposition of wheat and maize straws as affected by soil texture
3. Influence of straw incorporation with and without straw decomposer on soil bacterial community structure and function in a rice-wheat cropping system [J] . Zhao Jun, Ni Tian, Xun WeibingHuang XiaoleiHuang QiweiRan WeiShen BiaoZhang RuifuShen Qirong Applied Microbiology and Biotechnology . 2017,第11期

机译：Influence of straw incorporation with and without straw decomposer on soil bacterial community structure and function in a rice-wheat cropping system
4. INFLUENCE OF SILICA AND NITROGEN CONTENTS AND STRAW APPLICATION RATE ON DECOMPOSITION OF GAINES WHEAT STRAW IN SOIL [J] . J. SMITH, C. DOUGLAS Soil Science . 1970,第6期

机译：INFLUENCE OF SILICA AND NITROGEN CONTENTS AND STRAW APPLICATION RATE ON DECOMPOSITION OF GAINES WHEAT STRAW IN SOIL
5. An effective route to improve the catalytic performance of SAPO-34 in the methanol-to-olefin reaction [O] . Liu Guangyu, Tian Peng, Xia Qinhua, 2012

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Na_2CO_3 Catalytic Decomposition of Wheat Straw in Supercritical Methanol

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