Statistical modelling of acid activation on cotton oil bleaching by Turkish bentonite

Kirali E., Lacin O.

JOURNAL OF FOOD ENGINEERING, cilt.75, sa.1, ss.137-141, 2006 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 75 Sayı: 1
  • Basım Tarihi: 2006
  • Doi Numarası: 10.1016/j.jfoodeng.2005.06.010
  • Dergi Adı: JOURNAL OF FOOD ENGINEERING
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.137-141
  • Anahtar Kelimeler: bleaching, activated bentonite, factorial design, neutralized cotton oil, CLAYS
  • Atatürk Üniversitesi Adresli: Evet

Özet

The aim of the study was to determine the highest bleaching capacity and derive a model for acid activation of a Turkish bentonite using a full factorial design. The selected factors were contact time, solid to liquid ratio, acid concentration and moisture of bentonite. A first-order model is obtained by using 2 4 full factorial design. Auxiliary experiments for the second-order model were conducted according to an orthogonal central composite design. An experimental test carried out using a factorial design 2 4 indicated that contact time, solid to liquid ratio and moisture of bentonite have a positive effect, whereas acid concentration has a negative effect. Furthermore, the highest bleaching capacity was found to be 74.2%. (c) 2005 Elsevier Ltd. All rights reserved.