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: Sustainable Floating Oil Cleaner of Water Bodies. | LitMetric

AI Article Synopsis

  • Various plant-based materials, including the Azolla fern, are highly effective at absorbing oil contaminants in aquatic environments, making them key players in environmental restoration efforts.
  • Azolla's unique leaf design features both superhydrophobic and hydrophilic properties, allowing it to efficiently capture oils and solvents while maintaining stability even in challenging conditions.
  • With its rapid growth and eco-friendly characteristics, Azolla presents a sustainable alternative to conventional oil-cleaning agents, contributing to better management of oil spills and cleaner water ecosystems.

Article Abstract

Various plant-based materials effectively absorb oil contaminants at the water/air interface. These materials showcase unparalleled efficiency in purging oil contaminants, encompassing rivers, lakes, and boundless oceans, positioning them as integral components of environmental restoration endeavors. In addition, they are biodegradable, readily available, and eco-friendly, thus making them a preferable choice over traditional oil cleaning materials. This study explores the phenomenal properties of the floating Azolla fern (), focusing on its unique hierarchical leaf surface design at both the microscale and nanoscale levels. These intricate structures endow the fern with exceptional characteristics, including superhydrophobicity, high water adhesion, and remarkable oil or organic solvent absorption capabilities. Azolla's leaf surface exhibits a rare combination of dual wettability, where hydrophilic spots on a superhydrophobic base enable the pinning of water droplets, even when positioned upside-down. This extraordinary property, known as the parahydrophobic state, is rare in floating plants, akin to the renowned , setting Azolla apart as a natural wonder. Submerged in water, Azolla leaves excel at absorbing light oils at the air-water interface, demonstrating a notable ability to extract high-density organic solvents. Moreover, Azolla's rapid growth, doubling in the area every 4-5 days, especially in flowing waters, positions it as a sustainable alternative to traditional synthetic oil-cleaning materials with long-term environmental repercussions. This scientific lead could pave the way for more environmentally friendly approaches to mitigate the negative impacts of oil spills and promote a cleaner water ecosystem.

Download full-text PDF

Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10955581PMC
http://dx.doi.org/10.1021/acsomega.3c08417DOI Listing

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