An ecofriendly and sustainable method for efficient cleaning of raw cashmere fiber with enzymes in SCF-CO2
An efficient and ecofriendly method to remove impurities from raw cashmere fiber was constructed by employing various biological enzymes (lipase, cellulase, pectinase and protease) to form reverse microemulsion in supercritical carbon dioxide. An investigation and optimization of various parameters,...
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| Format: | Article |
| Language: | English |
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Elsevier
2024-02-01
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| Series: | Journal of CO2 Utilization |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2212982023002731 |
| _version_ | 1827347541188935680 |
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| author | Fan Wang Meng-Yue Li Shu-Jing Long Yuan-Bin Zheng Xin-Xin Cao Zi-Qing Du An-Tong Liu Jia-Jie Long |
| author_facet | Fan Wang Meng-Yue Li Shu-Jing Long Yuan-Bin Zheng Xin-Xin Cao Zi-Qing Du An-Tong Liu Jia-Jie Long |
| author_sort | Fan Wang |
| collection | DOAJ |
| description | An efficient and ecofriendly method to remove impurities from raw cashmere fiber was constructed by employing various biological enzymes (lipase, cellulase, pectinase and protease) to form reverse microemulsion in supercritical carbon dioxide. An investigation and optimization of various parameters, such as the dosage of biological enzymes, cleaning temperature, pressure and duration for this method were performed according to the whiteness and weight loss of the treated samples. Then the proposed method was further validated by energy dispersive X-ray spectrometry (EDS), scanning electron microscopy (SEM) analysis to verify the impurity removal from cashmere fiber. Moreover, the aggregation structure and properties of cleaned cashmere fiber were also investigated by X-ray powder diffraction (XRD), strength measurement, moisture absorption testing and thermal analysis (TG-DTG). The results declare that, via forming a type of (W+enzymes)/SCF-CO2 microemulsion to transfer the biological enzymes into supercritical medium, various impurities from raw cashmere fiber could be efficiently decreased and removed, which cleaning performance was better than a conventional control process. The cleaning efficiency for various impurities was notably influenced by the dosages of the applied enzymes and system parameters, which could be improved at an appropriate condition in SCF-CO2. Furthermore, the cleaning feasibility, reliability and efficiency of the enzymatically catalyzed method for raw cashmere fiber was successfully verified by SEM, EDS, XRD, TG-DTG, tensile strength analysis, and a supercritical cleaning mechanism for raw cashmere was further proposed. |
| first_indexed | 2024-03-07T23:52:09Z |
| format | Article |
| id | doaj.art-93d456ce5c30461c9e8384a80f01b033 |
| institution | Directory Open Access Journal |
| issn | 2212-9839 |
| language | English |
| last_indexed | 2024-03-07T23:52:09Z |
| publishDate | 2024-02-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of CO2 Utilization |
| spelling | doaj.art-93d456ce5c30461c9e8384a80f01b0332024-02-19T04:13:28ZengElsevierJournal of CO2 Utilization2212-98392024-02-0180102662An ecofriendly and sustainable method for efficient cleaning of raw cashmere fiber with enzymes in SCF-CO2Fan Wang0Meng-Yue Li1Shu-Jing Long2Yuan-Bin Zheng3Xin-Xin Cao4Zi-Qing Du5An-Tong Liu6Jia-Jie Long7College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China; National scientific research base for waterless coloration and finishing with supercritical fluid (China Textile Engineering Society), Soochow University, Suzhou 215123, China; Jiangsu Engineering Research Center of Textile Dyeing and Printing for Energy Conservation, Discharge Reduction and Cleaner Production (ERC), Soochow University, Suzhou 215123, ChinaCollege of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China; National scientific research base for waterless coloration and finishing with supercritical fluid (China Textile Engineering Society), Soochow University, Suzhou 215123, China; Jiangsu Engineering Research Center of Textile Dyeing and Printing for Energy Conservation, Discharge Reduction and Cleaner Production (ERC), Soochow University, Suzhou 215123, ChinaCollege of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China; National scientific research base for waterless coloration and finishing with supercritical fluid (China Textile Engineering Society), Soochow University, Suzhou 215123, China; Jiangsu Engineering Research Center of Textile Dyeing and Printing for Energy Conservation, Discharge Reduction and Cleaner Production (ERC), Soochow University, Suzhou 215123, ChinaCollege of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China; National scientific research base for waterless coloration and finishing with supercritical fluid (China Textile Engineering Society), Soochow University, Suzhou 215123, China; Jiangsu Engineering Research Center of Textile Dyeing and Printing for Energy Conservation, Discharge Reduction and Cleaner Production (ERC), Soochow University, Suzhou 215123, ChinaCollege of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China; National scientific research base for waterless coloration and finishing with supercritical fluid (China Textile Engineering Society), Soochow University, Suzhou 215123, China; Jiangsu Engineering Research Center of Textile Dyeing and Printing for Energy Conservation, Discharge Reduction and Cleaner Production (ERC), Soochow University, Suzhou 215123, ChinaCollege of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China; National scientific research base for waterless coloration and finishing with supercritical fluid (China Textile Engineering Society), Soochow University, Suzhou 215123, China; Jiangsu Engineering Research Center of Textile Dyeing and Printing for Energy Conservation, Discharge Reduction and Cleaner Production (ERC), Soochow University, Suzhou 215123, ChinaCollege of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China; National scientific research base for waterless coloration and finishing with supercritical fluid (China Textile Engineering Society), Soochow University, Suzhou 215123, China; Jiangsu Engineering Research Center of Textile Dyeing and Printing for Energy Conservation, Discharge Reduction and Cleaner Production (ERC), Soochow University, Suzhou 215123, ChinaCollege of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China; National scientific research base for waterless coloration and finishing with supercritical fluid (China Textile Engineering Society), Soochow University, Suzhou 215123, China; Jiangsu Engineering Research Center of Textile Dyeing and Printing for Energy Conservation, Discharge Reduction and Cleaner Production (ERC), Soochow University, Suzhou 215123, China; Corresponding author at: College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China.An efficient and ecofriendly method to remove impurities from raw cashmere fiber was constructed by employing various biological enzymes (lipase, cellulase, pectinase and protease) to form reverse microemulsion in supercritical carbon dioxide. An investigation and optimization of various parameters, such as the dosage of biological enzymes, cleaning temperature, pressure and duration for this method were performed according to the whiteness and weight loss of the treated samples. Then the proposed method was further validated by energy dispersive X-ray spectrometry (EDS), scanning electron microscopy (SEM) analysis to verify the impurity removal from cashmere fiber. Moreover, the aggregation structure and properties of cleaned cashmere fiber were also investigated by X-ray powder diffraction (XRD), strength measurement, moisture absorption testing and thermal analysis (TG-DTG). The results declare that, via forming a type of (W+enzymes)/SCF-CO2 microemulsion to transfer the biological enzymes into supercritical medium, various impurities from raw cashmere fiber could be efficiently decreased and removed, which cleaning performance was better than a conventional control process. The cleaning efficiency for various impurities was notably influenced by the dosages of the applied enzymes and system parameters, which could be improved at an appropriate condition in SCF-CO2. Furthermore, the cleaning feasibility, reliability and efficiency of the enzymatically catalyzed method for raw cashmere fiber was successfully verified by SEM, EDS, XRD, TG-DTG, tensile strength analysis, and a supercritical cleaning mechanism for raw cashmere was further proposed.http://www.sciencedirect.com/science/article/pii/S2212982023002731Supercritical carbon dioxideRaw cashmere fiberReverse microemulsionEnzymeImpurity removal |
| spellingShingle | Fan Wang Meng-Yue Li Shu-Jing Long Yuan-Bin Zheng Xin-Xin Cao Zi-Qing Du An-Tong Liu Jia-Jie Long An ecofriendly and sustainable method for efficient cleaning of raw cashmere fiber with enzymes in SCF-CO2 Journal of CO2 Utilization Supercritical carbon dioxide Raw cashmere fiber Reverse microemulsion Enzyme Impurity removal |
| title | An ecofriendly and sustainable method for efficient cleaning of raw cashmere fiber with enzymes in SCF-CO2 |
| title_full | An ecofriendly and sustainable method for efficient cleaning of raw cashmere fiber with enzymes in SCF-CO2 |
| title_fullStr | An ecofriendly and sustainable method for efficient cleaning of raw cashmere fiber with enzymes in SCF-CO2 |
| title_full_unstemmed | An ecofriendly and sustainable method for efficient cleaning of raw cashmere fiber with enzymes in SCF-CO2 |
| title_short | An ecofriendly and sustainable method for efficient cleaning of raw cashmere fiber with enzymes in SCF-CO2 |
| title_sort | ecofriendly and sustainable method for efficient cleaning of raw cashmere fiber with enzymes in scf co2 |
| topic | Supercritical carbon dioxide Raw cashmere fiber Reverse microemulsion Enzyme Impurity removal |
| url | http://www.sciencedirect.com/science/article/pii/S2212982023002731 |
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