OPEFB pretreatment using the low-cost N,N,N-dimethylbutylammonium hydrogen sulfate ionic liquid under varying conditions
Abstract This study investigates the effects of temperature and period on the pretreatment of OPEFB using the low-cost N,N,N-dimethylbutylammonium hydrogen sulfate ionic liquid ([DMBA][HSO4] IL) with 20 wt% of water. The results demonstrate that higher pretreatment temperatures (120, 150, and 170 °C...
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| Format: | Article |
| Language: | English |
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Nature Portfolio
2023-12-01
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| Series: | Scientific Reports |
| Online Access: | https://doi.org/10.1038/s41598-023-48722-0 |
| _version_ | 1797388400116891648 |
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| author | S. M. Shahrul Nizan Shikh Zahari Yichen Liu Putian Yao Mahfuzah Samirah Ideris Hazeeq Hazwan Azman Jason P. Hallett |
| author_facet | S. M. Shahrul Nizan Shikh Zahari Yichen Liu Putian Yao Mahfuzah Samirah Ideris Hazeeq Hazwan Azman Jason P. Hallett |
| author_sort | S. M. Shahrul Nizan Shikh Zahari |
| collection | DOAJ |
| description | Abstract This study investigates the effects of temperature and period on the pretreatment of OPEFB using the low-cost N,N,N-dimethylbutylammonium hydrogen sulfate ionic liquid ([DMBA][HSO4] IL) with 20 wt% of water. The results demonstrate that higher pretreatment temperatures (120, 150, and 170 °C) and longer periods (0.5, 1, and 2 h) enhanced lignin recovery, resulting in increased purity of the recovered pulp and subsequently enhanced glucose released during enzymatic hydrolysis. However, at 170 °C, prolonging the period led to cellulose degradation and the formation of pseudo-lignin deposited on the pulps, resulting in a decreasing-trend in glucose released. Finally, the analysis of extracted lignin reveals that increasing pretreatment severity intensified lignin depolymerisation and condensation, leading to a decrease in number average molecular weight (Mn), weight average molecular weight (Mw) and polydispersity index (Đ) values. |
| first_indexed | 2024-03-08T22:40:16Z |
| format | Article |
| id | doaj.art-4adc5b03fbe944b691b8d815dafd49c7 |
| institution | Directory Open Access Journal |
| issn | 2045-2322 |
| language | English |
| last_indexed | 2024-03-08T22:40:16Z |
| publishDate | 2023-12-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Scientific Reports |
| spelling | doaj.art-4adc5b03fbe944b691b8d815dafd49c72023-12-17T12:12:13ZengNature PortfolioScientific Reports2045-23222023-12-0113111210.1038/s41598-023-48722-0OPEFB pretreatment using the low-cost N,N,N-dimethylbutylammonium hydrogen sulfate ionic liquid under varying conditionsS. M. Shahrul Nizan Shikh Zahari0Yichen Liu1Putian Yao2Mahfuzah Samirah Ideris3Hazeeq Hazwan Azman4Jason P. Hallett5Department of Chemical Engineering, Faculty of Engineering, South Kensington Campus, Imperial College LondonDepartment of Chemical Engineering, Faculty of Engineering, South Kensington Campus, Imperial College LondonDepartment of Chemical Engineering, Faculty of Engineering, South Kensington Campus, Imperial College LondonIndustrial Chemical Technology Programme, Faculty of Science and Technology, Universiti Sains Islam MalaysiaCentre for Foundation and General Studies, Universiti SelangorDepartment of Chemical Engineering, Faculty of Engineering, South Kensington Campus, Imperial College LondonAbstract This study investigates the effects of temperature and period on the pretreatment of OPEFB using the low-cost N,N,N-dimethylbutylammonium hydrogen sulfate ionic liquid ([DMBA][HSO4] IL) with 20 wt% of water. The results demonstrate that higher pretreatment temperatures (120, 150, and 170 °C) and longer periods (0.5, 1, and 2 h) enhanced lignin recovery, resulting in increased purity of the recovered pulp and subsequently enhanced glucose released during enzymatic hydrolysis. However, at 170 °C, prolonging the period led to cellulose degradation and the formation of pseudo-lignin deposited on the pulps, resulting in a decreasing-trend in glucose released. Finally, the analysis of extracted lignin reveals that increasing pretreatment severity intensified lignin depolymerisation and condensation, leading to a decrease in number average molecular weight (Mn), weight average molecular weight (Mw) and polydispersity index (Đ) values.https://doi.org/10.1038/s41598-023-48722-0 |
| spellingShingle | S. M. Shahrul Nizan Shikh Zahari Yichen Liu Putian Yao Mahfuzah Samirah Ideris Hazeeq Hazwan Azman Jason P. Hallett OPEFB pretreatment using the low-cost N,N,N-dimethylbutylammonium hydrogen sulfate ionic liquid under varying conditions Scientific Reports |
| title | OPEFB pretreatment using the low-cost N,N,N-dimethylbutylammonium hydrogen sulfate ionic liquid under varying conditions |
| title_full | OPEFB pretreatment using the low-cost N,N,N-dimethylbutylammonium hydrogen sulfate ionic liquid under varying conditions |
| title_fullStr | OPEFB pretreatment using the low-cost N,N,N-dimethylbutylammonium hydrogen sulfate ionic liquid under varying conditions |
| title_full_unstemmed | OPEFB pretreatment using the low-cost N,N,N-dimethylbutylammonium hydrogen sulfate ionic liquid under varying conditions |
| title_short | OPEFB pretreatment using the low-cost N,N,N-dimethylbutylammonium hydrogen sulfate ionic liquid under varying conditions |
| title_sort | opefb pretreatment using the low cost n n n dimethylbutylammonium hydrogen sulfate ionic liquid under varying conditions |
| url | https://doi.org/10.1038/s41598-023-48722-0 |
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