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Effect of Drying Temperature on Performance of Graphene Oxide-Ethylenediamine/Alumina Composite Nanofiltration Membranes
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Ying FEI, Chunxiao DING, Hong QI
Journal of the Chinese Ceramic Society | 2022, 50(1) : 263 - 269
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Journal of the Chinese Ceramic Society | 2022, 50(1): 263-269
• Research Articles •
Effect of Drying Temperature on Performance of Graphene Oxide-Ethylenediamine/Alumina Composite Nanofiltration Membranes
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Ying FEI, Chunxiao DING, Hong QI
Affiliations
  • Membrane Science and Technology Research Center, State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing 210009, China

    • FEI Ying(1995-), female, Master candidate. E-mail:

About Author:

FEI Ying(1995-), female, Master candidate. E-mail:

Published: 2022-01-20 doi: 10.14062/j.issn.0454-5648.20210294
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Graphene oxide (GO) composite nanofiltration membranes (GO-EDA/Al2O3 membrane) cross-linked by ethylenediamine (EDA) were fabricated on dopamine (PDA) modified alumina ceramic membranes. The covalent bonds enhance the interlayer and interface stability of the as-prepared membranes. A method that can simply adjust the layer spacing of GO composite membranes was proposed. The number of hydroxyl groups inside the GO composite membranes can be changed through varying the drying temperature, thus affecting the pure water permeation and salt rejection of the GO composite membranes. The results show that the thickness of the GO composite membranes fabricated at the drying temperature of 40 ℃ is 50-120 nm. The pure water permeance and the rejection towards Na2SO4 solution are 34 L/(m2·h·MPa) and 87.8%, respectively. The GO composite membranes still remain an excellent stability and a high rejection rate after being immersed in pure water for 680 h.

graphene oxide  /  alumina ceramic membranes  /  dopamine  /  ethylenediamine  /  composite nanofiltration membranes  /  drying temperature  /  hydroxyl  /  layer spacing
费莹, 丁春晓, 漆虹. 干燥温度对氧化石墨烯-乙二胺/Al2O3复合纳滤膜性能的影响. 硅酸盐学报, 2022 , 50 (1) : 263 -269 . DOI: 10.14062/j.issn.0454-5648.20210294
Ying FEI, Chunxiao DING, Hong QI. Effect of Drying Temperature on Performance of Graphene Oxide-Ethylenediamine/Alumina Composite Nanofiltration Membranes[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (1) : 263 -269 . DOI: 10.14062/j.issn.0454-5648.20210294
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Year 2022 volume 50 Issue 1
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Article Info
doi: 10.14062/j.issn.0454-5648.20210294
  • Receive Date：2021-04-20
  • Online Date：2026-10-22
  • Published：2022-01-20
Article Data
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History
  • Received：2021-04-20
  • Revised：2021-06-15
Funding
Affiliations
    Membrane Science and Technology Research Center, State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing 210009, China

Corresponding:

QI Hong(1974-), male, Ph.D., Professor. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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