Journal
ENVIRONMENTAL SCIENCE-WATER RESEARCH & TECHNOLOGY
Volume 1, Issue 3, Pages 298-305Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ew00035a
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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.
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