Journal
JOURNAL OF HAZARDOUS MATERIALS
Volume 398, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.jhazmat.2020.122862
Keywords
Layered double hydroxides (LDHs); Oil/water separation; Stainless steel mesh superhydrophilicity; Underwater superoleophobicity
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Funding
- Natural Science Foundation of Shanghai [18ZR1427800]
- International Joint Laboratory on Resource Chemistry (IJLRC)
- Shanghai Engineering Research Center of Green Energy Chemical Engineering [18DZ2254200]
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With the frequent discharge of wastewater and leakage of oil accidents, it has gained much attention to treat oil and organic pollutants from water. Herein, a facile and environmentally friendly approach is presented to fabricate MgAlZn layered double hydroxide-coated stainless steel mesh (LDH-SSM) via hydrothermal method, which could be used to separate various oil/water mixtures due to its superhydrophilic and underwater superoleophobic property. The as-prepared mesh possesses selective separation performance for oil/water mixtures with separation efficiency higher than 99.2% and high water flux of similar to 44.5 L m(-2) s(-1) under gravity-driven force. Such membrane shows an effective separation for oil/water mixtures and recyclability, as well as exhibit excellent superhydrophilicity, making it a prominent candidate for oily water remediation.
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