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Green one-step synthesis of ZnO/cellulose nanocrystal hybrids with modulated morphologies and superfast absorption of cationic dyes
Y. Guan, HY. Yu, SYH. Abdalkarim, C. Wang, F. Tang, J. Marek, WL. Chen, J. Militky, JM. Yao,
International journal of biological macromolecules.
2019 ;
132 (-) :
51-62.
[pub] 20190325
Jazyk angličtina Země Nizozemsko
Typ dokumentu časopisecké články
Perzistentní odkaz
https://www.medvik.cz/link/bmc19044914
- MeSH
- antibakteriální látky chemie farmakologie MeSH
- barvicí látky chemie izolace a purifikace MeSH
- celulosa chemie MeSH
- čištění vody MeSH
- Escherichia coli účinky léků MeSH
- fyzikální absorpce * MeSH
- kinetika MeSH
- koncentrace vodíkových iontů MeSH
- methylenová modř chemie izolace a purifikace MeSH
- nanočástice chemie MeSH
- odpadní voda chemie MeSH
- oxid zinečnatý chemie farmakologie MeSH
- rosanilinová barviva chemie izolace a purifikace MeSH
- Staphylococcus aureus účinky léků MeSH
- techniky syntetické chemie MeSH
- technologie zelené chemie MeSH
- teplota MeSH
- Publikační typ
- časopisecké články MeSH
Zinc oxide/cellulose nanocrystal (ZnO/CNC) hybrids with modulated morphologies were prepared by using bamboo CNC as templates via green one-step technique. The effect of pH values on the morphology, microstructure, thermal stability, antibacterial efficiency and dye absorption kinetics of hybrids were investigated. A possible mechanism for various hybrid morphologies at different pH values was provided. All the samples exhibited high antibacterial ratios of 91.4%-99.8% against both Escherichia coli and Staphylococcus aureus. ZnO/CNC8.5 gave quick removal efficiency with high dye removal ratios in methylene blue (MB, 93.55%) and malachite green (MG, 99.02%), especially >91.47% and 97.85% within 5 min. The absorption capacity could reach up to 46.77 mg/g for MB and 49.51 mg/g for MG. Besides, absorption kinetics showed that the absorption behavior followed the pseudo-second-order kinetic model (R2 > 0.99996). Such ZnO/CNC hybrids show outstanding and low-cost adsorbent for efficient absorption of cationic dyes in wastewater treatment field.
Citace poskytuje Crossref.org
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- $a Guan, Ying $u The Key Laboratory of Advanced Textile Materials and Manufacturing Technology of Ministry of Education, College of Materials and Textile, Zhejiang Sci-Tech University, Hangzhou 310018, China; Zhejiang Provincial Key Laboratory of Chemical Utilization of Forestry Biomass, Zhejiang A&F University, Hangzhou 311300, China.
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- $a Zinc oxide/cellulose nanocrystal (ZnO/CNC) hybrids with modulated morphologies were prepared by using bamboo CNC as templates via green one-step technique. The effect of pH values on the morphology, microstructure, thermal stability, antibacterial efficiency and dye absorption kinetics of hybrids were investigated. A possible mechanism for various hybrid morphologies at different pH values was provided. All the samples exhibited high antibacterial ratios of 91.4%-99.8% against both Escherichia coli and Staphylococcus aureus. ZnO/CNC8.5 gave quick removal efficiency with high dye removal ratios in methylene blue (MB, 93.55%) and malachite green (MG, 99.02%), especially >91.47% and 97.85% within 5 min. The absorption capacity could reach up to 46.77 mg/g for MB and 49.51 mg/g for MG. Besides, absorption kinetics showed that the absorption behavior followed the pseudo-second-order kinetic model (R2 > 0.99996). Such ZnO/CNC hybrids show outstanding and low-cost adsorbent for efficient absorption of cationic dyes in wastewater treatment field.
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- $a Yu, Hou-Yong $u The Key Laboratory of Advanced Textile Materials and Manufacturing Technology of Ministry of Education, College of Materials and Textile, Zhejiang Sci-Tech University, Hangzhou 310018, China; State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China. Electronic address: phdyu@zstu.edu.cn.
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