Plasma polymer facilitated magnetic technology for removal of oils from contaminated waters

Satriyo Krido Wahono, Alex Cavallaro, Krasimir Vasilev, Agnieszka Mierczynska

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)


Oil pollution of waters is one of the most serious environmental problems globally. The long half-life and persistence within the environment makes oil particularly toxic and difficult to remediate. There is a significant need for efficient and cost-effective oil recovery technologies to be brought in to practice. In this study, we developed a facile and efficient magnetic separation method. The surface of 316L stainless steel nanoparticles was modified by plasma deposition of 1,7-octadiene and perfluorooctane, producing relatively hydrophobic coatings having water contact angles of 86 and 100, respectively. Both coatings had high oil removal efficiency (ORE) of >99%. The captured oil could be easily separated by applying an external magnetic force. The ease of material preparation and separation from the water after the oil is captured, and its high ORE is a compelling argument for further development and optimization of the technology to possible utilization into practice. Furthermore, the capacity of plasma polymerization to deliver desired surface properties can extend the application of the technology to removing other chemical and biological contaminants from polluted waters.

Original languageEnglish
Pages (from-to)725-732
Number of pages8
JournalEnvironmental Pollution
Publication statusPublished - Sept 2018
Externally publishedYes


  • 1,7-Octadiene
  • Hydrophobic adsorbent
  • Magnetic separation
  • Nanomaterials
  • Oil removal
  • Perfluorooctane
  • Plasma polymers


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