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A graphene oxide membrane with highly selective molecular separation of aqueous organic solution.

A graphene oxide membrane with highly selective molecular separation of aqueous organic solution.

Angewandte Chemie (International ed. in English) (2014-05-23)

Kang Huang, Gongping Liu, Yueyun Lou, Ziye Dong, Jie Shen, Wanqin Jin

摘要

A graphene oxide (GO) membrane is supported on a ceramic hollow fiber prepared by a vacuum suction method. This GO membrane exhibited excellent water permeation for dimethyl carbonate/water mixtures through a pervaporation process. At 25 °C and 2.6 wt % feed water content, the permeate water content reached 95.2 wt% with a high permeation flux (1702 g m(-2) h(-1)).

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氧化铝, standard grade, Brockmann I, activated, basic

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高锰酸钾, ACS reagent, ≥99.0%

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氧化铝, activated, Brockmann I, standard grade, neutral

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氧化铝, powder, primarily α phase, ≤10 μm avg. part. size, 99.5% trace metals basis

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过氧化氢溶液, 3%, suitable for microbiology

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高锰酸钾, ACS reagent, ≥99.0%, low in mercury

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氧化铝, Brockmann I, standard grade, activated, acidic

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氧化铝, nanopowder, <50 nm particle size (TEM)

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氧化铝, powder, 99.99% trace metals basis

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过氧化氢溶液, contains ~200 ppm acetanilide as stabilizer, 3 wt. % in H₂O

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过氧化氢溶液, contains inhibitor, 35 wt. % in H₂O

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高锰酸钾, 97%

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氧化铝, nanoparticles, <50 nm particle size (DLS), 20 wt. % in isopropanol

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过氧化氢溶液, 34.5-36.5%

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氧化铝, nanopowder, 13 nm primary particle size (TEM), 99.8% trace metals basis

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氧化铝, fused, powder, primarily α-phase, -325 mesh

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氧化铝, pellets, 3 mm

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氧化铝, Corundum, α-phase, -100 mesh

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氧化铝, activated, neutral, Brockmann Activity I

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氧化铝, fused, powder, primarily α-phase, 100-200 mesh

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氧化铝, pore size 58 Å, ~150 mesh

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氧化铝, Type WN-6, Neutral, Activity Grade Super I

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氧化铝, nanoparticles, 30-60 nm particle size (TEM), 20 wt. % in H₂O

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氧化铝, 99.997% trace metals basis

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氧化铝, single crystal substrate, <0001>

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氧化铝, Brockmann I, standard grade, activated, neutral, free-flowing, Redi-Dri^™

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氧化铝, nanowires, diam. × L 2-6 nm × 200-400 nm

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介孔氧化铝, MSU-X (wormhole), average pore size 3.8 nm

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氧化铝, for the determination of hydrocarbons

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高锰酸钾, puriss., meets analytical specification of Ph. Eur., BP, USP, 99-100.5%