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Preparation of ethyl levulinate from cellulose alcoholysis catalyzed by extremely acid
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Yihang Chen1, 2, Xuanyu Liang1, 2, Jinbo Hao1, 2, Haoran Zhao1, 2, Guizhuan Xu1, 2
Renewable Energy Resources | 2024, 42(5) : 592 - 600
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Renewable Energy Resources | 2024, 42(5): 592-600
Preparation of ethyl levulinate from cellulose alcoholysis catalyzed by extremely acid
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Yihang Chen1, 2, Xuanyu Liang1, 2, Jinbo Hao1, 2, Haoran Zhao1, 2, Guizhuan Xu1, 2
Affiliations
  • 1 College of Mechanical and Electrical Engineering Henan Agricultural University Zhengzhou 450002 China
  • 2 Key Laboratory of New Materials and Facilities for Rural Renewable Energy Ministry of Agriculture Zhengzhou 450002 China
Published: 2024-05-20
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Ethyl levulinate (EL) is a highly promising biomass fuel and additive, and the production of EL using yieldrich biomass is beneficial to the industrialized largescale production of EL. In this article, we studied the effects of sulfuric acid dosage, reaction time, reaction temperature and substrate concentration on the yield of EL using ultralow concentration sulfuric acid catalyzed cellulose, and optimized the EL production process by using response surface BoxBehnken model to study the effects of various factors on the yield of EL, and obtained the optimal process conditions for EL production from ultralow concentration sulfuric acid catalyzed cellulose: sulfuric acid dosage 0.5%, reaction temperature 204 °C, reaction time 240 min, substrate concentration 29 g/L reaction, the actual average yield of EL was 66.70%, with a relative error of 3.25% from the theoretical prediction. GCMS analyzed the distribution of alcoholysis products of ultralow concentration sulfuric acidcatalyzed cellulose under different reaction times, and proposed possible reaction pathways, the results of which can provide reference and reference for the alcoholysis conversion of cellulosic biomass.

cellulose  /  extremely low acid  /  ethyl levulinate  /  response surface methodology  /  alcoholysis
Yihang Chen, Xuanyu Liang, Jinbo Hao, Haoran Zhao, Guizhuan Xu. Preparation of ethyl levulinate from cellulose alcoholysis catalyzed by extremely acid[J]. Renewable Energy Resources, 2024 , 42 (5) : 592 -600 .
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Year 2024 volume 42 Issue 5
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  • Receive Date：2022-11-16
  • Online Date：2025-07-22
  • Published：2024-05-20
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  • Received：2022-11-16
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    1 College of Mechanical and Electrical Engineering Henan Agricultural University Zhengzhou 450002 China
    2 Key Laboratory of New Materials and Facilities for Rural Renewable Energy Ministry of Agriculture Zhengzhou 450002 China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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