A novel super hydrophobic cotton yarn inspired by plant polyphenol for oil/water separation in sea water

Hao Wen, Jiayan Zhang, Ping Wang, Ziyi Zhu, Wei Huang, Changkun Liu

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

The tannic acid/iron modified cotton yarn (TA/Fe@CY) as inspired by plant polyphenol was prepared as a stable and highly efficient material in oil/water separation with a simple and environmentally friendly preparation method. Owing to the rough structures of the surface, TA/Fe@CY showed super hydrophobicity with a water contact angle of greater than 150º using water droplets of different pH (from 1 to 10). In addition, the TA/Fe@CY showed high oil separation efficiency from the simulated seawater. TA/Fe@CY also exhibited high separation efficiency for six kinds of oil phases. This paper provides a simple preparation method with low-cost materials for efficient oil/water separation, especially for oil separation from seawater.

Original languageEnglish
Article number101208
JournalEnvironmental Technology and Innovation
Volume21
DOIs
StatePublished - Feb 2021
Externally publishedYes

Keywords

  • Artificial seawater
  • Cotton yarn
  • Oil/water separation
  • Tannic acid/iron

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