Adsorption of nitrate ions onto sepiolite and surfactant-modified sepiolite

Özcan A., Şahin M., Özcan A. S.

Adsorption Science, cilt.23, sa.4, ss.323-333, 2005 (SCI-Expanded)

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 23 Sayı: 4
  • Basım Tarihi: 2005
  • Dergi Adı: Adsorption Science
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.323-333
  • Yıldız Teknik Üniversitesi Adresli: Hayır

Özet

The adsorption of nitrate ions onto clay minerals has not been given much attention, possibly because clay surfaces are negatively charged. In order to increase the positive charge on the surface, sepiolite was modified in the present studies by treatment with dodecylethyldimethyl ammonium (DEDMA) bromide. After such modification, it was found that the maximum amount of nitrate ion adsorbed occurred at a pH value of 2.0.