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| Optimization of Ethanol Pretreatment of Soybean Straw by Response Surface Method |
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| DOI：10.11981/j.issn.1000-6842.2016.04.1 |
| Key Words:soybean straw； response surface； ethanol pretreatment； reducing sugar yield |
| Fund Project:国家自然科学基金(31500496);制浆造纸科学与技术教育部重点实验室开放基金(KF-201409)。 |
| Author Name | Affiliation | | 涂洪峰1 | 1.湖北工业大学制浆造纸工程学院,湖北武汉,430068 | | 张冬启1 | 1.湖北工业大学制浆造纸工程学院,湖北武汉,430068 | | 姚 兰1,2 | 1.湖北工业大学制浆造纸工程学院,湖北武汉,430068；2.齐鲁工业大学制浆造纸科学与技术教育部重点实验室,山东济南,250353 | | 杨海涛1，* | 1.湖北工业大学制浆造纸工程学院,湖北武汉,430068 |
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| Abstract: |
| The ethanol converted from lignocellulose is called the second generation of bioethanol. Pretreatment is an important step in the process of bioethanol production. Compared with other pretreatment methods, ethanol pretreatment has many advantages such as high-purity of extraction constituents, easily recycling of pretreatment liquid. In this paper, on the basis of single factor experiment and response surface method, the optional ethanol pretreatment condition of soybean straw was obtained, it was at 170℃ for 90 min with 50% ethanol concentration. Through analysis by Minitab17 software, it was found that the effect of temperature was the most significant on pretreatment yield and reducing sugar yield. Analysis results showed that the hemicellulose and lignin were mainly removed during ethanol pretreatment. Under the optimal pretreatment condition, the removal rate of lignin was 61.95%, and the removal rate of hemicellulose was 82.85%. |
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