The effect of metal cations on phenol adsorption by hexadecyl-trimethyl-ammonium bromide (hdtma) modified clinoptilolite (Ct.)

Hong-Yu Wang, Hui-Fei Huang, JiaQian Jiang

Research output: Contribution to journalArticle

Abstract

This paper is concerned with the preparation and use of HDTMA-modified clinoptilolite (Ct.) to remove phenol and investigate the effect of cation ions on the phenol sorption performance. It was found that HDTMA-modified Ct. removed phenol more efficiently than natural Ct. This can be attributed to the enhanced hydrophobic surface properties of HDTMA-modified Ct. In the presence of Ca2+ and Mg2+ ions, the phenol sorption by HDTMA-modified Ct. was further improved. The formation of neutral ion pair of metal–phenol and increasing hydrophobic interactions were contributed to such phenomena.

Original languageEnglish
Pages (from-to)658-662
Number of pages5
JournalSeparation and Purification Technology
Volume80
Issue number3
DOIs
Publication statusPublished - 1 Aug 2011

Keywords

  • hexadecyl-trimethyl-ammonium bromide (HDTMA)
  • phenol
  • metal cations
  • water treatment
  • modified clinoptilolite
  • clinoptilolite

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