Reusable Membrane Repels Oil in Water

Reusable Membrane Repels Oil in Water
Dec-31-19
A reusable membrane that repels oil in water could be used to clean oil spills at sea as well as treat wastewater.

Rather than absorbing the oil, which can make the filter difficult to reuse, the membrane from the team at Kobe University will repel up to 99.9 percent of oil droplets in water. This is accomplished with the addition of a negatively-charged coating of superoleophobic silica, which repels oil. When placed in flowing water, the membrane will repel drops of oil as small as ten nanometers to treat just over 1500 gallons in under an hour at one atmosphere of pressure.

Reusable Membrane Repels Oil in Water


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[NEWATLAS.COM]
[KOBE-U.AC]
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