Statistical optimization of process parameters for ultrafiltration of olive oil mill wastewaters

OKTAV AKDEMİR E., Ozer A.

DESALINATION AND WATER TREATMENT, cilt.51, ss.5987-5995, 2013 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 51
  • Basım Tarihi: 2013
  • Doi Numarası: 10.1080/19443994.2013.765363
  • Dergi Adı: DESALINATION AND WATER TREATMENT
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.5987-5995
  • Anahtar Kelimeler: Box-Behnken design, Olive oil mill wastewater, Operating conditions, Pretreatment, Ultrafiltration, WASTE-WATER TREATMENT, RESPONSE-SURFACE METHODOLOGY, MEMBRANE PROCESS, DESIGN, POLYPHENOLS, PERFORMANCE, OXIDATION, RECOVERY
  • Dokuz Eylül Üniversitesi Adresli: Evet

Özet

Ultrafiltration of olive oil mill wastewaters was investigated in this study. The Box-Behnken statistical experiment design and response surface methodology were used to investigate the effects of major operating variables. Flow rate, transmembrane pressure, and operation time were selected as independent variables in Box-Behnken design while chemical oxygen demand (COD) removal and permeate flux were considered as the response function. The predicted values of COD removal and permeate flux obtained using the response function were in good agreement with the experimental data. For the highest COD removal efficiency, the optimum set of flow rate, pressure, and operation time were 100L/h, 1bar, and 30min, respectively, with 86.8% removal efficiency. On the other hand, for the maximum permeate flux, the optimum set was 200L/h, 3bar, and 30min with 32.9L/m(2)h flux value.