干燥温度对氧化石墨烯-乙二胺/Al2O3复合纳滤膜性能的影响

Ying Fei; Chunxiao Ding; Hong Qi

doi:10.14062/j.issn.0454-5648.20210294

干燥温度对氧化石墨烯-乙二胺/Al₂O₃复合纳滤膜性能的影响

Translated title of the contribution: Effect of Drying Temperature on Performance of Graphene Oxide-Ethylenediamine/ Alumina Composite Nanofiltration Membranes

Ying Fei, Chunxiao Ding, Hong Qi

College of Chemical Engineering

Nanjing Tech University

Research output: Contribution to journal › Article › peer-review

Abstract

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 50-120nm. The pure water permeance and the rejection towards Na₂SO₄ solution are 34L/(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 680h.

Translated title of the contribution	Effect of Drying Temperature on Performance of Graphene Oxide-Ethylenediamine/ Alumina Composite Nanofiltration Membranes
Original language	Chinese (Traditional)
Pages (from-to)	263-269
Number of pages	7
Journal	Kuei Suan Jen Hsueh Pao/Journal of the Chinese Ceramic Society
Volume	50
Issue number	1
DOIs	https://doi.org/10.14062/j.issn.0454-5648.20210294
State	Published - Jan 2022

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title = "干燥温度对氧化石墨烯-乙二胺/Al2O3复合纳滤膜性能的影响",

abstract = "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 50-120nm. The pure water permeance and the rejection towards Na2SO4 solution are 34L/(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 680h.",

keywords = "Aluminaceramic membranes, Composite nanofiltration membranes, Dopamine, Drying temperature, Ethylenediamine, Graphene oxide, Hydroxyl, Layerspacing",

author = "Ying Fei and Chunxiao Ding and Hong Qi",

year = "2022",

month = jan,

doi = "10.14062/j.issn.0454-5648.20210294",

language = "繁体中文",

volume = "50",

pages = "263--269",

journal = "Kuei Suan Jen Hsueh Pao/Journal of the Chinese Ceramic Society",

issn = "0454-5648",

publisher = "Chinese Ceramic Society",

number = "1",

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TY - JOUR

T1 - 干燥温度对氧化石墨烯-乙二胺/Al2O3复合纳滤膜性能的影响

AU - Fei, Ying

AU - Ding, Chunxiao

AU - Qi, Hong

PY - 2022/1

Y1 - 2022/1

N2 - 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 50-120nm. The pure water permeance and the rejection towards Na2SO4 solution are 34L/(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 680h.

AB - 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 50-120nm. The pure water permeance and the rejection towards Na2SO4 solution are 34L/(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 680h.

KW - Aluminaceramic membranes

KW - Composite nanofiltration membranes

KW - Dopamine

KW - Drying temperature

KW - Ethylenediamine

KW - Graphene oxide

KW - Hydroxyl

KW - Layerspacing

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U2 - 10.14062/j.issn.0454-5648.20210294

DO - 10.14062/j.issn.0454-5648.20210294

M3 - 文章

AN - SCOPUS:85123197763

SN - 0454-5648

VL - 50

SP - 263

EP - 269

JO - Kuei Suan Jen Hsueh Pao/Journal of the Chinese Ceramic Society

JF - Kuei Suan Jen Hsueh Pao/Journal of the Chinese Ceramic Society

IS - 1

ER -

干燥温度对氧化石墨烯-乙二胺/Al₂O₃复合纳滤膜性能的影响

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