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| Research progress of crop straw fiber extraction technology |
| Received:September 05, 2023 |
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| KeyWord:crop straw;cellulose;high-value utilization;extraction technology |
| Author Name | Affiliation | E-mail | | YANG Yi | Hunan Academy of Agricultural Sciences, Institute of Agricultural Environment and Ecology of Hunan Province, Changsha 410125, China | | | PENG Hua | Hunan Academy of Agricultural Sciences, Institute of Agricultural Environment and Ecology of Hunan Province, Changsha 410125, China
Key Laboratory of Agricultural Environment in the Middle Yangtze River Plain, Ministry of Agriculture and Rural Affairs, Changsha 410125, China
Engineering Technology Research Center for Agricultural Non Point Source Pollution Control in Dongting Lake Basin, Hunan Province, Changsha 410125, China | penghua@hunaas.cn | | DENG Kai | Hunan Academy of Agricultural Sciences, Institute of Agricultural Environment and Ecology of Hunan Province, Changsha 410125, China | | | JI Xionghui | Hunan Academy of Agricultural Sciences, Institute of Agricultural Environment and Ecology of Hunan Province, Changsha 410125, China
Key Laboratory of Agricultural Environment in the Middle Yangtze River Plain, Ministry of Agriculture and Rural Affairs, Changsha 410125, China
Engineering Technology Research Center for Agricultural Non Point Source Pollution Control in Dongting Lake Basin, Hunan Province, Changsha 410125, China | | | DAI Yanjiao | Hunan Academy of Agricultural Sciences, Institute of Agricultural Environment and Ecology of Hunan Province, Changsha 410125, China | | | SONG Min | Hunan Academy of Agricultural Sciences, Institute of Agricultural Environment and Ecology of Hunan Province, Changsha 410125, China | |
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| Abstract: |
| The high-value utilization of agricultural waste can help to alleviate resource constraints and reduce environmental pollution. Cellulose is the most dominant substance in the cell walls of straw, which is stably nested within lignin and hemicellulose and is difficult to separate. Therefore, the separation and extraction of effective components of straw are key to achieving its high-value utilization. In this study, first, the microstructure, formation mechanism, and physicochemical properties of fibers in straw are elaborated in depth; second, various technologies for cellulose extraction are introduced and the principle of cellulose separation and advantages and disadvantages of cellulose separation are condensed; finally, in view of the existing technological barriers and limitations, we look ahead to the research field and development direction of the separation, extraction, and purification of straw fibers with the aim of exploring efficient and green techniques. Finally, the research areas and development directions of straw fiber separation, extraction, and purification are anticipated in view of the existing technological barriers and limitations, with a view to laying a foundation for exploring efficient and green technology and achieving high-value utilization of straw cellulose. |
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