Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 7, Issue 34, Pages 18915-18919Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.5b06207
Keywords
polymer brush; superhydrophobicity; superoleophobicity; oil/water separation; ARGET ATRP
Funding
- Ministry of Education, Culture, Sports, Science, and Technology (MEXT), Japan [24120005]
- Grants-in-Aid for Scientific Research [24120005] Funding Source: KAKEN
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We report a novel oil/water separation device, allowing continuous, high-speed, and highly efficient purification of large volumes of oily water. This device uses a pair of hydrophilic/hydrophobic polymer-brush-functionalized stainless steel meshes, which have antagonistic wetting properties, i.e., superoleophobic and superhydrophobic properties, when submerged in the opposite liquid phase. This device can purify large volumes of n-hexadecane/water mixture (similar to 1000 L) in a continuous process rather than in batches, to high purities (similar to 99.9% mol/mol) at high flow rates (similar to 5 mL s(-1) cm(-2)), unlike the oil/water separation meshes reported so far.
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