Kinetics of Lignin Separation during the Atmospheric Fractionation of Bagasse with <i>p</i>-Toluenesulfonic Acid
As a green and efficient component separation technology, organic acid pretreatment has been widely studied in biomass refining. In particular, the efficient separation of lignin by <i>p</i>-toluenesulfonic acid (<i>p</i>-TsOH) pretreatment has been achieved. In this study, t...
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MDPI AG
2022-08-01
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| Series: | International Journal of Molecular Sciences |
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| Online Access: | https://www.mdpi.com/1422-0067/23/15/8743 |
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| author | Baojuan Deng Yadan Luo Meijiao Peng Tao Li Jianwei Su Yang Wang Xuelian Xia Chengqi Feng Shuangquan Yao |
| author_facet | Baojuan Deng Yadan Luo Meijiao Peng Tao Li Jianwei Su Yang Wang Xuelian Xia Chengqi Feng Shuangquan Yao |
| author_sort | Baojuan Deng |
| collection | DOAJ |
| description | As a green and efficient component separation technology, organic acid pretreatment has been widely studied in biomass refining. In particular, the efficient separation of lignin by <i>p</i>-toluenesulfonic acid (<i>p</i>-TsOH) pretreatment has been achieved. In this study, the mechanism of the atmospheric separation of bagasse lignin with <i>p</i>-TsOH was investigated. The separation kinetics of lignin was analyzed. A non-simple linear relationship was found between the separation yield of lignin and the concentration of <i>p</i>-TsOH, the temperature and the stirring speed. The shrinking nucleus model for the separation of lignin was established based on the introduction of mass transfer and diffusion factors. A general model of the total delignification rate was obtained. The results showed that the process of lignin separation occurred into two phases, i.e., a fast stage and a slow stage. The results provide a theoretical basis for the efficient separation of lignin by <i>p</i>-TsOH pretreatment. |
| first_indexed | 2024-03-09T10:07:06Z |
| format | Article |
| id | doaj.art-16d119da6b374e83ad75dfea3e5f0b1a |
| institution | Directory Open Access Journal |
| issn | 1661-6596 1422-0067 |
| language | English |
| last_indexed | 2024-03-09T10:07:06Z |
| publishDate | 2022-08-01 |
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| record_format | Article |
| series | International Journal of Molecular Sciences |
| spelling | doaj.art-16d119da6b374e83ad75dfea3e5f0b1a2023-12-01T22:58:42ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672022-08-012315874310.3390/ijms23158743Kinetics of Lignin Separation during the Atmospheric Fractionation of Bagasse with <i>p</i>-Toluenesulfonic AcidBaojuan Deng0Yadan Luo1Meijiao Peng2Tao Li3Jianwei Su4Yang Wang5Xuelian Xia6Chengqi Feng7Shuangquan Yao8Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, School of Light Industrial and Food Engineering, Guangxi University, Nanning 530004, ChinaGuangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, School of Light Industrial and Food Engineering, Guangxi University, Nanning 530004, ChinaGuangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, School of Light Industrial and Food Engineering, Guangxi University, Nanning 530004, ChinaGuangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, School of Light Industrial and Food Engineering, Guangxi University, Nanning 530004, ChinaGuangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, School of Light Industrial and Food Engineering, Guangxi University, Nanning 530004, ChinaGuangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, School of Light Industrial and Food Engineering, Guangxi University, Nanning 530004, ChinaGuangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, School of Light Industrial and Food Engineering, Guangxi University, Nanning 530004, ChinaGuangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, School of Light Industrial and Food Engineering, Guangxi University, Nanning 530004, ChinaGuangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, School of Light Industrial and Food Engineering, Guangxi University, Nanning 530004, ChinaAs a green and efficient component separation technology, organic acid pretreatment has been widely studied in biomass refining. In particular, the efficient separation of lignin by <i>p</i>-toluenesulfonic acid (<i>p</i>-TsOH) pretreatment has been achieved. In this study, the mechanism of the atmospheric separation of bagasse lignin with <i>p</i>-TsOH was investigated. The separation kinetics of lignin was analyzed. A non-simple linear relationship was found between the separation yield of lignin and the concentration of <i>p</i>-TsOH, the temperature and the stirring speed. The shrinking nucleus model for the separation of lignin was established based on the introduction of mass transfer and diffusion factors. A general model of the total delignification rate was obtained. The results showed that the process of lignin separation occurred into two phases, i.e., a fast stage and a slow stage. The results provide a theoretical basis for the efficient separation of lignin by <i>p</i>-TsOH pretreatment.https://www.mdpi.com/1422-0067/23/15/8743<i>p</i>-toluenesulfonicligninmechanismkineticsshrinking nucleus model |
| spellingShingle | Baojuan Deng Yadan Luo Meijiao Peng Tao Li Jianwei Su Yang Wang Xuelian Xia Chengqi Feng Shuangquan Yao Kinetics of Lignin Separation during the Atmospheric Fractionation of Bagasse with <i>p</i>-Toluenesulfonic Acid International Journal of Molecular Sciences <i>p</i>-toluenesulfonic lignin mechanism kinetics shrinking nucleus model |
| title | Kinetics of Lignin Separation during the Atmospheric Fractionation of Bagasse with <i>p</i>-Toluenesulfonic Acid |
| title_full | Kinetics of Lignin Separation during the Atmospheric Fractionation of Bagasse with <i>p</i>-Toluenesulfonic Acid |
| title_fullStr | Kinetics of Lignin Separation during the Atmospheric Fractionation of Bagasse with <i>p</i>-Toluenesulfonic Acid |
| title_full_unstemmed | Kinetics of Lignin Separation during the Atmospheric Fractionation of Bagasse with <i>p</i>-Toluenesulfonic Acid |
| title_short | Kinetics of Lignin Separation during the Atmospheric Fractionation of Bagasse with <i>p</i>-Toluenesulfonic Acid |
| title_sort | kinetics of lignin separation during the atmospheric fractionation of bagasse with i p i toluenesulfonic acid |
| topic | <i>p</i>-toluenesulfonic lignin mechanism kinetics shrinking nucleus model |
| url | https://www.mdpi.com/1422-0067/23/15/8743 |
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