Derived high reducing sugar and lignin colloid particles from corn stover
Abstract Lignocellulosic biomass is considered as the largest potential candidate to develop alternative energy, such as biofuel, biomaterial. However, the efficient conversion of cellulose and practical utilization of lignin are great challenges for sustainable biorefinery. In this study, high redu...
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| Format: | Article |
| Language: | English |
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BMC
2020-12-01
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| Series: | BMC Chemistry |
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| Online Access: | https://doi.org/10.1186/s13065-020-00725-y |
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| author | Wei Liu Shengnan Zhuo Mengying Si Mengting Yuan Yan Shi |
| author_facet | Wei Liu Shengnan Zhuo Mengying Si Mengting Yuan Yan Shi |
| author_sort | Wei Liu |
| collection | DOAJ |
| description | Abstract Lignocellulosic biomass is considered as the largest potential candidate to develop alternative energy, such as biofuel, biomaterial. However, the efficient conversion of cellulose and practical utilization of lignin are great challenges for sustainable biorefinery. In this study, high reducing sugar yield and different size of lignin colloid particles (LCPs) were obtained via tetrahydrofuran–water (THF–H2O) pretreatment of corn stover (CS). THF–H2O as a co-solvent, could efficiently dissolve lignin and retain cellulose. After the pretreatment, 640.87 mg/g of reducing sugar was produced, that was 6.66-fold higher than that of the untreated CS. Meanwhile, the pretreatment liquor could form spherical LCPs with different sizes ranged from 202 to 732 nm through self-assembly. We studied the optimal pretreatment condition to simultaneously realize the high reducing sugar yield (588.4 mg/g) and excellent LCPs preparation with average size of 243 nm was under TH22 (THF–H2O pretreatment at 120 °C for 2 h). To further explore the formation of LCPs with different sizes. We studied the lignin structure changes of various conditions, concluded the size of LCPs was related to the lignin concentration and syringyl/guaiacyl (S/G) ratio. As the increase of the lignin concentration and S/G, the sizes of LCPs were increased. G-type lignin was easier to dissolve in the mild pretreatment supernatant, contributing to form smaller LCPs with a good dispersibility. In the severe condition, both of S and G-type lignin were dissolved due to the lignin depolymerization, formed the larger sphere particles. This work provides a novel perspective for the technical design of lignocellulosic biomass conversion. |
| first_indexed | 2024-12-13T12:54:10Z |
| format | Article |
| id | doaj.art-6624cbe825024b74b9fb4c561f461737 |
| institution | Directory Open Access Journal |
| issn | 2661-801X |
| language | English |
| last_indexed | 2024-12-13T12:54:10Z |
| publishDate | 2020-12-01 |
| publisher | BMC |
| record_format | Article |
| series | BMC Chemistry |
| spelling | doaj.art-6624cbe825024b74b9fb4c561f4617372022-12-21T23:45:14ZengBMCBMC Chemistry2661-801X2020-12-0114111410.1186/s13065-020-00725-yDerived high reducing sugar and lignin colloid particles from corn stoverWei Liu0Shengnan Zhuo1Mengying Si2Mengting Yuan3Yan Shi4School of Life Science, Tonghua Normal UniversitySchool of Metallurgy and Environment, Central South UniversitySchool of Metallurgy and Environment, Central South UniversitySchool of Metallurgy and Environment, Central South UniversitySchool of Metallurgy and Environment, Central South UniversityAbstract Lignocellulosic biomass is considered as the largest potential candidate to develop alternative energy, such as biofuel, biomaterial. However, the efficient conversion of cellulose and practical utilization of lignin are great challenges for sustainable biorefinery. In this study, high reducing sugar yield and different size of lignin colloid particles (LCPs) were obtained via tetrahydrofuran–water (THF–H2O) pretreatment of corn stover (CS). THF–H2O as a co-solvent, could efficiently dissolve lignin and retain cellulose. After the pretreatment, 640.87 mg/g of reducing sugar was produced, that was 6.66-fold higher than that of the untreated CS. Meanwhile, the pretreatment liquor could form spherical LCPs with different sizes ranged from 202 to 732 nm through self-assembly. We studied the optimal pretreatment condition to simultaneously realize the high reducing sugar yield (588.4 mg/g) and excellent LCPs preparation with average size of 243 nm was under TH22 (THF–H2O pretreatment at 120 °C for 2 h). To further explore the formation of LCPs with different sizes. We studied the lignin structure changes of various conditions, concluded the size of LCPs was related to the lignin concentration and syringyl/guaiacyl (S/G) ratio. As the increase of the lignin concentration and S/G, the sizes of LCPs were increased. G-type lignin was easier to dissolve in the mild pretreatment supernatant, contributing to form smaller LCPs with a good dispersibility. In the severe condition, both of S and G-type lignin were dissolved due to the lignin depolymerization, formed the larger sphere particles. This work provides a novel perspective for the technical design of lignocellulosic biomass conversion.https://doi.org/10.1186/s13065-020-00725-yCorn stoverTHF–H2O pretreatmentReducing sugarLigninLignin colloid particles |
| spellingShingle | Wei Liu Shengnan Zhuo Mengying Si Mengting Yuan Yan Shi Derived high reducing sugar and lignin colloid particles from corn stover BMC Chemistry Corn stover THF–H2O pretreatment Reducing sugar Lignin Lignin colloid particles |
| title | Derived high reducing sugar and lignin colloid particles from corn stover |
| title_full | Derived high reducing sugar and lignin colloid particles from corn stover |
| title_fullStr | Derived high reducing sugar and lignin colloid particles from corn stover |
| title_full_unstemmed | Derived high reducing sugar and lignin colloid particles from corn stover |
| title_short | Derived high reducing sugar and lignin colloid particles from corn stover |
| title_sort | derived high reducing sugar and lignin colloid particles from corn stover |
| topic | Corn stover THF–H2O pretreatment Reducing sugar Lignin Lignin colloid particles |
| url | https://doi.org/10.1186/s13065-020-00725-y |
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