Graphene Oxide PMMA Solid on the Absorption of Lead Ion

Po Sang Lo; Chun Ki Yeung

doi:10.4028/www.scientific.net/MSF.896.32

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HomeMaterials Science ForumMaterials Science Forum Vol. 896Graphene Oxide PMMA Solid on the Absorption of...

Graphene Oxide PMMA Solid on the Absorption of Lead Ion

Abstract:

GO-PMMA solid was used to test its ability on absorbing the lead ion obtained from standard solution. Samples of the test solution were collected at 0 min, 10 min, 30 min, 50 min and 70 min. The results analyzed from ICP reveal that GO-PMMA solid could absorb lead (II) ion sup to 68.6%, which is 65.8% higher than the control setup, i.e. PMMA solid, at room temperature and pressure. The dry mass of GO-PMMA solid is around 119.82g and the mass after testing is around 124.21g. The ability of absorption could be easily refreshed by washing with ethanol and distillated water (80/20 v/v) several times. Structure of GO-PMMA solid was characterized by FRIR and optical microscope. The oxygen-containing functional groups and the rough surface of the GO-PMMA solid are determined to be the contributing factors of the adsorption of lead (II) ion onto GO-PMMA solid. The high removal efficiency of GO-PMMA suggests its adsorption capability on lead (II) ion and can be applied to remove lead (II) ions from water.

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Materials Science Forum (Volume 896)

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32-39

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https://doi.org/10.4028/www.scientific.net/MSF.896.32

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Online since:

March 2017

Authors:

Po Sang Lo*, Chun Ki Yeung

Keywords:

Absorption, Graphene Oxide, Lead Ion

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