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Recycling and Reuse of Ionic Liquid in Homogeneous Cellulose Acetylation
Huang Kelin1,2; Wu Rui2; Cao Yan3; Li Huiquan3; Wang Jinshu1
2013-05-01
Source PublicationCHINESE JOURNAL OF CHEMICAL ENGINEERING
Volume21Issue:5Pages:577-584
AbstractMolecular distillation was used to recover ionic liquid (IL) 1-ally1-3-methylimidazolium chloride (AmimC1) in homogeneous cellulose acetylation. The five factors that affect the separation efficiency of molecular distillation, namely, feed flow rate, distillation temperature, feed temperature, wiper rotating speed, and distillation pressure, are discussed. The optimal recovery condition was determined via orthogonal experiments using an OA(9)(3(4)) design. The IL was recycled and reused 5 times in the homogeneous cellulose acetylation system under optimal conditions. The purity of recycled IL the 5th time reached 99.56%. FT-IR (Fourier transform infrared spectroscopy) and H-1 NMR (nuclear magnetic resonance) spectroscopy showed that the structure of the recovered IL is not changed. This work proves that AmimC1 has excellent reusability, and that molecular distillation is an effective method for recovering IL in homogeneous cellulose acetylation.
KeywordCellulose Ionic Liquid Molecular Distillation Recycling
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
Indexed BySCI
Language英语
WOS KeywordACETATES ; WATER ; TEMPERATURE ; SEPARATION ; PRODUCTS ; SOLVENT
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000320294300015
Citation statistics
Cited Times:20[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/13676
Collection研究所(批量导入)
Affiliation1.Beijing Univ Technol, Sch Mat Sci & Engn, Beijing 100124, Peoples R China
2.China Acad Sci & Technol Dev, Guangxi Branch, Nanning 530022, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Huang Kelin,Wu Rui,Cao Yan,et al. Recycling and Reuse of Ionic Liquid in Homogeneous Cellulose Acetylation[J]. CHINESE JOURNAL OF CHEMICAL ENGINEERING,2013,21(5):577-584.
APA Huang Kelin,Wu Rui,Cao Yan,Li Huiquan,&Wang Jinshu.(2013).Recycling and Reuse of Ionic Liquid in Homogeneous Cellulose Acetylation.CHINESE JOURNAL OF CHEMICAL ENGINEERING,21(5),577-584.
MLA Huang Kelin,et al."Recycling and Reuse of Ionic Liquid in Homogeneous Cellulose Acetylation".CHINESE JOURNAL OF CHEMICAL ENGINEERING 21.5(2013):577-584.
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纤维素均相酰化反应后离子液体溶剂的回收及(491KB)期刊论文出版稿限制开放CC BY-NC-SAApplication Full Text
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