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| Parameter Optimization of Cellulase Pretreatment for MFC Preparation Based on RSM Model |
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| DOI：10.11980/j.issn.0254-508X.2017.07.001 |
| Key Words:microfibrillated cellulose response surface method particle size specific surface area parameter optimization |
| Author Name | Affiliation | | 张启莲 | 天津科技大学包装与印刷工程学院,中国轻工业食品包装材料与技术重点实验室,天津,300222 | | 张正健* | 天津科技大学包装与印刷工程学院,中国轻工业食品包装材料与技术重点实验室,天津,300222 | | 陈蕴智 | 天津科技大学包装与印刷工程学院,中国轻工业食品包装材料与技术重点实验室,天津,300222 | | 李志红 | 天津科技大学包装与印刷工程学院,中国轻工业食品包装材料与技术重点实验室,天津,300222 |
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| Abstract:The response surface method （RSM） was used to optimize the process conditions of cellulase pretreatment for MFC preparation in this study. At first, the single factor analysis of the properties of MFC were conducted by Malvern particle size analyzer and Congo red staining method; then, RSM analysis method was used to optimize the process conditions using the particle size and specific surface area of MFC as the response values. The results showed that the changes of pulp concentration, cellulase dosage and cellulase pretreatment time had a certain influence on the performance of MFC. It was concluded that the optimized conditions of cellulase pretreatment for MFC preparation were as follows: the pulp concentration was 10%, the cellulase dosage was 10.53 U/g, and the cellulase pretreatment time was 24 h. |
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