Treatment of Basic Red 29 dye solution using iron-aluminum electrode pairs by electrocoagulation and electro-Fenton methods

YAVUZ Y., Shahbazi R., Koparal A. S., ÖĞÜTVEREN Ü.

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH, cilt.21, sa.14, ss.8603-8609, 2014 (SCI-Expanded) identifier identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 21 Sayı: 14
  • Basım Tarihi: 2014
  • Doi Numarası: 10.1007/s11356-014-2789-8
  • Dergi Adı: ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.8603-8609
  • Anahtar Kelimeler: Basic Red 29 dye, Electrocoagulation, Electro-Fenton, Hybrid iron-aluminum electrodes, Toxicity, Treatment, TEXTILE WASTE-WATER, ELECTROCHEMICAL OXIDATION, HYDROXYL RADICALS, ANODIC-OXIDATION, AQUEOUS-MEDIUM, EF PROCESSES, REMOVAL, DEGRADATION, TOXICITY, REAGENT
  • Anadolu Üniversitesi Adresli: Evet

Özet

The aim of this study is the treatment of Basic Red 29 (BR29) dye solution using hybrid iron-aluminum electrodes by electrocoagulation and electro-Fenton methods. The effect of current density, initial pH, supporting electrolyte, H2O2, and initial dye concentration on dye removal efficiency was investigated, and the best experimental conditions were obtained. Time-coarse variation of UV-Vis spectra and toxicity and chemical oxygen demand (COD) removal were also examined at the best experimental conditions. Both systems were found very successful for the removal of BR29 dye. The removal efficiency of > 95 % for BR29 dye solution was reached easily in a short time. At the best experimental conditions, for the initial BR29 concentration of 100 mg/L, > 95 % BR29 dye and 71.43 % COD removal were obtained after 20 and 40 min of electrolysis, respectively. Additionally, toxicity results for electro-Fenton treatment of 100 mg/L BR29 were also very promising. According to the results obtained, although electro-Fenton is more effective, both systems can be used successfully to treat textile wastewater including dyes.