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Self-Cleaning Nanoscale Coating for the Separation of Oil–Water Mixture

Civil Engineering Department, Faculty of Engineering & Applied Science, Memorial University of Newfoundland, St. John’s, NL A1B 3X5, Canada
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Coatings 2019, 9(12), 860; https://doi.org/10.3390/coatings9120860
Received: 8 November 2019 / Revised: 2 December 2019 / Accepted: 9 December 2019 / Published: 15 December 2019
The current study pertains to the self-cleaning nanoscale coating of graphene/polymer nanohybrid system for the separation of oil–water mixture. Using a single nanohybrid system, we have developed a two-stage process for the selective removal of the hydrocarbons. Total petroleum hydrocarbons (TPHs) and separation efficiency are determined by gas chromatography-flame ionization detector (GC-FID). Analysis of the polycyclic aromatic hydrocarbons (PAHs) in the two stage samples is carried out by using gas chromatography coupled to mass spectrometry (GC-MS). The analysis shows the reduction in TPHs from 290 ppm to less than 1 ppm and more than 99.5% separation efficiency (oil removal from oil–water mixture) is achieved. No polycyclic aromatic hydrocarbons (PAHs) were detected in the treated water. View Full-Text
Keywords: self-cleaning; coating; oil–water separation; nanohybrid; emulsion self-cleaning; coating; oil–water separation; nanohybrid; emulsion
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MDPI and ACS Style

Shervani, S.; Ling, J.; Liu, J.; Husain, T. Self-Cleaning Nanoscale Coating for the Separation of Oil–Water Mixture. Coatings 2019, 9, 860.

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