Acid and alkali pretreatment of corn stalk for fractal-like kinetic analysis of enzymatic saccharification
文献类型：期刊论文
| 作者 | Zhang, Yu2; Lu, Jianping2,3; Guo, Yinghui2,4; Zhang, Qian2,4; Chen, Xiaoyan2; Yu, Qiang1 |
| 刊名 | JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY
 |
| 出版日期 | 2022-11-14 |
| 页码 | 7 |
| 关键词 | biorefinery lignocellulose pretreatment enzymatic saccharification fractal-like kinetics sugar platform |
| ISSN号 | 0268-2575 |
| DOI | 10.1002/jctb.7262 |
| 通讯作者 | Yu, Qiang(yuqiang@scau.edu.cn) |
| 英文摘要 | BACKGROUND The conversion of lignocellulose to sugar is part of the process of lignocellulose biorefining and, therefore, is crucial for effective lignocellulose utilization. RESULTS In this study, alkali and acidic pretreatments were carried out to deconstruct corn stalk (CS) material for efficient subsequent enzymatic saccharification. Most xylan and lignin can be removed from CS material by acid and alkali pretreatments, respectively, as verified by XRD (X-ray diffractometer) and FT-IR (Fourier Transform Infrared Spectroscopy) analyses. Fractal-like kinetics were assessed to analyze the effect of enzyme loading on the glucose and xylose sugar yields from the two pretreated CS materials, with fractal dimension considered as a dominant factor in rate constant decrease. Fractal dimension analysis demonstrated that the alkali pretreated CS was more easily hydrolyzed that the acid pretreated CS. For glucan hydrolysis, the effect of enzyme loading on the rate constant of the alkali pretreated CS was marginally higher than that of the acid pretreated CS. For xylan hydrolysis, enzyme loading was shown to significantly improve the rate constant of the alkali pretreated CS compared to the acid pretreated CS. Furthermore, the developed fractal-like model exhibits high prediction accuracy for sugar yield at high enzyme loadings. CONCLUSION The application of the fractal-like theory was quite successful for studying enzymatic kinetics. (c) 2022 Society of Chemical Industry (SCI). |
| WOS关键词 | LIGNOCELLULOSIC BIOMASS ; SUGARCANE BAGASSE ; HYDROLYSIS |
| 资助项目 | National Key Research and Development Project of China[2018YFB1501701] ; National Natural Science Foundation of China[21978288] ; National Natural Science Foundation of China[51876206] |
| WOS研究方向 | Biotechnology & Applied Microbiology ; Chemistry ; Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:000883028200001 |
| 出版者 | WILEY |
| 资助机构 | National Key Research and Development Project of China ; National Natural Science Foundation of China |
| 源URL | [http://ir.giec.ac.cn/handle/344007/37844]  |
| 专题 | 中国科学院广州能源研究所 |
| 通讯作者 | Yu, Qiang |
| 作者单位 | 1.South China Agr Univ, Inst Biomass Engn, Guangzhou 510642, Peoples R China 2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou, Peoples R China 3.Univ Chinese Acad Sci, Beijing, Peoples R China 4.Univ Sci & Technol China, Sch Engn Sci, Hefei, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhang, Yu,Lu, Jianping,Guo, Yinghui,et al. Acid and alkali pretreatment of corn stalk for fractal-like kinetic analysis of enzymatic saccharification[J]. JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY,2022:7. |
| APA | Zhang, Yu,Lu, Jianping,Guo, Yinghui,Zhang, Qian,Chen, Xiaoyan,&Yu, Qiang.(2022).Acid and alkali pretreatment of corn stalk for fractal-like kinetic analysis of enzymatic saccharification.JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY,7. |
| MLA | Zhang, Yu,et al."Acid and alkali pretreatment of corn stalk for fractal-like kinetic analysis of enzymatic saccharification".JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY (2022):7. |
入库方式： OAI收割
来源：广州能源研究所
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