| Title | Sustainable fabrication of chitosan membranes with optimized performance for ultrafiltration |
| Author | |
| Corresponding Author | Liu, Xin; Li, Weiyi |
| Publication Years | 2024-02-01
|
| DOI | |
| Source Title | |
| ISSN | 1383-5866
|
| EISSN | 1873-3794
|
| Volume | 330 |
| Abstract | A key to the sustainable development of membrane technology is the green fabrication of biopolymer membranes, whose filtration performance is comparable to that made from petroleum-based polymers. In this study, chitosan membranes were fabricated via wet precipitation of the alkaline dope; both the composition and temperature of the coagulation bath were regulated to optimize the filtration performance for ultrafiltration. It is revealed by comparing the morphological characterization with the filtration-performance evaluation that the use of pure ethanol as the coagulant at a subzero temperature would be in favor of the formation of a laminated substructure, which can enhance the water permeance not at the cost of decreasing the rejection of micron-sized particles and macromolecules. Optical coherence tomography (OCT) was employed to in-situ characterize the film formation in an effort to understand how the variation in coagulating conditions could change the geometrical and topological characteristics of the resulting membrane. The OCT-based characterization highlights the key role of the Liesegang phenomenon in forming the hierarchical substructures, while resolving the synergistic effects emanating from the ethanol-induced film shrinkage and the structural preservation in the subzero environment. |
| Keywords | |
| URL | [Source Record] |
| Indexed By | |
| Language | English
|
| SUSTech Authorship | First
; Corresponding
|
| Funding Project | Guangdong Basic and Applied Basic Research Foundation[2021A1515110278]
; Program for Guangdong Introducing Innovative and Entrepreneurial Teams[2017ZT07Z479]
; National Natural Science Foundation of China[21878140]
; Shenzhen Science and Technology Innovation Committee[JCYJ20190809172011680]
|
| WOS Research Area | Engineering
|
| WOS Subject | Engineering, Chemical
|
| WOS Accession No | WOS:001091799500001
|
| Publisher | |
| ESI Research Field | CHEMISTRY
|
| Data Source | Web of Science
|
| Citation statistics | |
| Document Type | Journal Article |
| Identifier | http://kc.sustech.edu.cn/handle/2SGJ60CL/582784 |
| Department | School of Environmental Science and Engineering |
| Affiliation | 1.Southern Univ Sci & Technol, Sch Environm Sci & Engn, Shenzhen, Peoples R China 2.Southern Univ Sci & Technol, Sch Environm Sci & Engn, 1088 Xueyuan Rd, Shenzhen, Guangdong, Peoples R China |
| First Author Affilication | School of Environmental Science and Engineering |
| Corresponding Author Affilication | School of Environmental Science and Engineering |
| First Author's First Affilication | School of Environmental Science and Engineering |
| Recommended Citation GB/T 7714 |
Liu, Xin,Zou, Zhujun,Wang, Dong,et al. Sustainable fabrication of chitosan membranes with optimized performance for ultrafiltration[J]. SEPARATION AND PURIFICATION TECHNOLOGY,2024,330.
|
| APA |
Liu, Xin,Zou, Zhujun,Wang, Dong,Du, Dongyu,Li, Zhuo,&Li, Weiyi.(2024).Sustainable fabrication of chitosan membranes with optimized performance for ultrafiltration.SEPARATION AND PURIFICATION TECHNOLOGY,330.
|
| MLA |
Liu, Xin,et al."Sustainable fabrication of chitosan membranes with optimized performance for ultrafiltration".SEPARATION AND PURIFICATION TECHNOLOGY 330(2024).
|
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