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Dergiler / Black Sea Journal of Engineering and Science / 2026 / Cilt: 8 Sayı: 5

Optimization of Coagulation Process Parameters for Reactive Red 120 Dye Using Ferric Chloride via Response Surface Methodology

Sevtap Tırınk(IĞDIR ÜNİVERSİTESİ, SAĞLIK HİZMETLERİ MESLEK YÜKSEKOKULU, ÇEVRE SAĞLIĞI PROGRAMI)0000-0003-0123-0054
Sayfa
1595–1604
Yayın Tarihi
2025-09-15
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⚡ TL;DR(1 Cümlede Hızlı Çıkarım)

Overall, the results confirm that FeCl₃-based coagulation, when optimized by Response Surface Methodology, is a robust and scalable pretreatment option for textile wastewater, capable of achieving near-complete decolorization and providing practical operating ranges for implementation.

📌 3 Maddede Bu Makale

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Amaç & Hipotez:In this study, the removal of Reactive Red 120, a dye commonly present in textile wastewater, was investigated using Ferric Chloride (FeCl₃) as a coagulant.
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Temel Bulgular & Veri:Process optimization was carried out through Response Surface Methodology based on a four-factor experimental design, considering initial pH (2–12), coagulant dose (100–500 mg/L), mixing speed (50–250 rpm), and initial dye concentration (25–250 mg/L).
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Sonuç & Katkı:Overall, the results confirm that FeCl₃-based coagulation, when optimized by Response Surface Methodology, is a robust and scalable pretreatment option for textile wastewater, capable of achieving near-complete decolorization and providing practical operating ranges for implementation.
🔬Tür:Modelleme & Sayısal Simülasyon
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:Reactive red 120 · Response surface methodology · Parameter optimization

Özet

In this study, the removal of Reactive Red 120, a dye commonly present in textile wastewater, was investigated using Ferric Chloride (FeCl₃) as a coagulant. Process optimization was carried out through Response Surface Methodology based on a four-factor experimental design, considering initial pH (2–12), coagulant dose (100–500 mg/L), mixing speed (50–250 rpm), and initial dye concentration (25–250 mg/L). A second-order polynomial model was developed and evaluated by ANOVA to assess the individual and interactive effects of these parameters on color removal efficiency. The maximum removal efficiency of 96.28% was obtained at pH 3, coagulant dose 400 mg/L, mixing speed 100 rpm, and dye concentration 200 mg/L. The Response Surface Methodology model showed good agreement with the experimental data and predicted a theoretical maximum efficiency of 98.33% under optimized conditions. Overall, the results confirm that FeCl₃-based coagulation, when optimized by Response Surface Methodology, is a robust and scalable pretreatment option for textile wastewater, capable of achieving near-complete decolorization and providing practical operating ranges for implementation.

Abstract

In this study, the removal of Reactive Red 120, a dye commonly present in textile wastewater, was investigated using Ferric Chloride (FeCl₃) as a coagulant. Process optimization was carried out through Response Surface Methodology based on a four-factor experimental design, considering initial pH (2–12), coagulant dose (100–500 mg/L), mixing speed (50–250 rpm), and initial dye concentration (25–250 mg/L). A second-order polynomial model was developed and evaluated by ANOVA to assess the individual and interactive effects of these parameters on color removal efficiency. The maximum removal efficiency of 96.28% was obtained at pH 3, coagulant dose 400 mg/L, mixing speed 100 rpm, and dye concentration 200 mg/L. The Response Surface Methodology model showed good agreement with the experimental data and predicted a theoretical maximum efficiency of 98.33% under optimized conditions. Overall, the results confirm that FeCl₃-based coagulation, when optimized by Response Surface Methodology, is a robust and scalable pretreatment option for textile wastewater, capable of achieving near-complete decolorization and providing practical operating ranges for implementation.

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Bu Makaleye Atıf Yap

Tırınk, S. (2025). Optimization of Coagulation Process Parameters for Reactive Red 120 Dye Using Ferric Chloride via Response Surface Methodology. Black Sea Journal of Engineering and Science, Cilt: 8 Sayı: 5, 1595–1604. https://doi.org/10.34248/bsengineering.1766799

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