Ti-Bazlı Metal Oksit Kaplanmış Elektrot ile Reaktif Boyar Maddenin Anodik Oksidasyonu: Proses Şartlarının Optimizasyonu

Öz

Bu çalışmada model bileşik olarak kullanılan Sunfix Red-S3B (SR-S3B) reaktif boyar maddenin metal oksit kaplanmış titanyum elektrotlar ile anodik oksidasyonu incelenmiştir. Anot olarak RuO2‐IrO2/Ti, katot olarak titanyum elektrotlar kullanılmıştır. Anodik oksidasyon prosesi işletme koşulları en yüksek boya giderimini sağlayacak biçimde optimize edilmiştir. Taguchi deney Tasarım Modeli ile oksidasyon süresi, pH, elektrolit tipi ve akım yoğunluğu parametrelerinin optimum koşulları sırası ile 20 dk, pH 3, NaCl elektrolit tipi ve 0.32 A/dm2 olarak belirlenmiştir. Modelin öngördüğü ile deneysel olarak elde edilen boya giderimi arasında yüksek derece doğrusal bir ilişki olduğu gözlenmiştir. Proseste optimum koşullarda %99 boya giderimi gözlemlenmiştir ve giderim veriminde en etkili parametrenin elektrolit tipi olduğu belirlenmiştir.

Anahtar Kelimeler

• Anodik oksidasyon
• Sunfix Red-S3B
• Taguchi Deney Tasarım Modeli

Anodic Oxidation of Reactive Dye with Ti-Based Metal Oxide Coated Electrode: Optimization of Process Conditions

Öz

In this study, the anodic oxidation of the Sunfix Red-3SB (SR-S3B) reactive dye used as a model compound with metal oxide coated titanium electrodes was investigated. RuO2‐ IrO2/Ti electrodes were used as anode, titanium electrodes as cathode. The anodic oxidation process has been optimized for operating conditions to ensure the highest dye removal. Optimum conditions of oxidation time, pH, electrolyte type and current intensty parameters were determined as 20 min., pH 3, NaCl electrolyte type and 0.32 A/dm2 with Taguchi Experimental Design Model. A highly linear relationship was observed between the predicted and experimentally obtained dye removal of the model. 99% dye removal was observed in optimum conditions in the process and it was determined that the most effective parameter in removal efficiency was the electrolyte type.

Anahtar Kelimeler

• Anodic oxidation
• Sunfix Red-S3B
• Taguchi Experiment Design Model

Kaynakça

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