Determination of adsorptive properties of a Turkish Sepiolite for removal of Reactive Blue 15 anionic dye from aqueous solutions

Tabak A., Eren E., Afsin B., Caglar B.

Journal of Hazardous Materials, cilt.161, sa.2-3, ss.1087-1094, 2009 (SCI-Expanded) identifier identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 161 Sayı: 2-3
  • Basım Tarihi: 2009
  • Doi Numarası: 10.1016/j.jhazmat.2008.04.062
  • Dergi Adı: Journal of Hazardous Materials
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED)
  • Sayfa Sayıları: ss.1087-1094
  • Anahtar Kelimeler: Adsorption, Reactive Blue 15, Sepiolite, Turkey, Zeolitic water
  • Erzincan Binali Yıldırım Üniversitesi Adresli: Evet

Özet

Reactive Blue 15 (RB 15) adsorption on the Turkish Sepiolite was carried out by batch equilibrium technique. IR spectrum and surface area measurement of the composite of dye-sepiolite (Turkish) pointed out that dye species replaced partly the zeolitic water to form hydrogen bond with bound water and adsorbed to the channels sites. The effects of temperature, pH and ionic strength on adsorption of dye molecules were investigated and the nature of adsorption process was determined by calculating ΔH, ΔS and ΔG values. The adsorbed amount increased with increase in temperature, but that for high pH values decreased for the adsorption of reactive dye. © 2008 Elsevier B.V. All rights reserved.