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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
Language English Country Netherlands
Document type Journal Article
Persistent link
https://www.medvik.cz/link/bmc19044914
- MeSH
- Anti-Bacterial Agents chemistry pharmacology MeSH
- Coloring Agents chemistry isolation & purification MeSH
- Cellulose chemistry MeSH
- Water Purification MeSH
- Escherichia coli drug effects MeSH
- Absorption, Physicochemical * MeSH
- Kinetics MeSH
- Hydrogen-Ion Concentration MeSH
- Methylene Blue chemistry isolation & purification MeSH
- Nanoparticles chemistry MeSH
- Wastewater chemistry MeSH
- Zinc Oxide chemistry pharmacology MeSH
- Rosaniline Dyes chemistry isolation & purification MeSH
- Staphylococcus aureus drug effects MeSH
- Chemistry Techniques, Synthetic MeSH
- Green Chemistry Technology MeSH
- Temperature MeSH
- Publication type
- Journal Article 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.
References provided by 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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- $a Yao, Ju-Ming $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. Electronic address: yaoj@zstu.edu.cn.
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