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Issue 3, 2015
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Selective adsorption of oil–water mixtures using polydimethylsiloxane (PDMS)–graphene sponges

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Abstract

We report a porous and green three dimensional (3-D) polydimethylsiloxane (PDMS)–graphene sponge with hydrophobic and oleophilic properties using the sugar templating method. The prepared sponge exhibited high adsorption performance for the removal of petroleum products, organic solvents and emulsified oil–water mixtures, especially under a continuous vacuum regime achieving an adsorption capacity of 4.5 L of hexane in 30 min. The proposed synthetic method is simple and economical for the scalable production of porous 3-D graphene sponges, which can be successfully used for efficient and cost-effective oil spill clean-ups and water purification for environmental applications.

Graphical abstract: Selective adsorption of oil–water mixtures using polydimethylsiloxane (PDMS)–graphene sponges

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Submitted
06 Feb 2015
Accepted
12 Mar 2015
First published
12 Mar 2015

Environ. Sci.: Water Res. Technol., 2015,1, 298-305
Article type
Paper

Selective adsorption of oil–water mixtures using polydimethylsiloxane (PDMS)–graphene sponges

D. N. H. Tran, S. Kabiri, T. R. Sim and D. Losic, Environ. Sci.: Water Res. Technol., 2015, 1, 298
DOI: 10.1039/C5EW00035A

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