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Dergiler / Environmental Research and Technology / 2020 / Volume: 3 Issue: 4

Treatment of dye-producing chemical industry wastewater by persulfate advanced oxidation

Deniz İzlen Cifci(NAMIK KEMAL ÜNİVERSİTESİ)0000-0001-7527-6130
Elçin Güneş(NAMIK KEMAL ÜNİVERSİTESİ)0000-0002-1457-1504
Yalçın Güneş(NAMIK KEMAL ÜNİVERSİTESİ)0000-0001-8697-3345
Sayfa
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Yayın Tarihi
2020-12-31
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⚡ TL;DR(1 Cümlede Hızlı Çıkarım)

Moreover, COD removal efficiency was approximately 55-60% in both methods.

📌 3 Maddede Bu Makale

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Amaç & Hipotez:A dye-producing chemical industry wastewater in Çorlu (Tekirdağ) is treated by the coagulation-flocculation process of the wastewater.
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Temel Bulgular & Veri:However, the wastewater discharged after coagulation-flocculation still has a very high COD (4402 mg L -1 ) with very high proportion of dissolved COD (4316 mg L -1 ).
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Sonuç & Katkı:Moreover, COD removal efficiency was approximately 55-60% in both methods.
🔬Tür:Research Article
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:Activation · kinetics · oxidation

Abstract

A dye-producing chemical industry wastewater in Çorlu (Tekirdağ) is treated by the coagulation-flocculation process of the wastewater. However, the wastewater discharged after coagulation-flocculation still has a very high COD (4402 mg L -1 ) with very high proportion of dissolved COD (4316 mg L -1 ). Therefore, the aim of this study is to achieve higher COD and color removal in wastewater using Fe 2+ /S 2 O 8 or UV/S 2 O 8 oxidation process after coagulation-flocculation. The processes in the oxidation of this industrial wastewater using Fe 2+ /S 2 O 8 and UV/S 2 O 8 were examined and the effect of COD/Fe 2+ /S 2 O 8 ratio (in Fe 2+ /S 2 O 8 ) or COD/S 2 O 8 ratio (in UV/S 2 O 8 ), pH and oxidation time were evaluated in the study. While high organic matter and color removal was observed in acidic conditions for both processes, optimum pH were 3 and 6 in Fe 2+ /S 2 O 8 and UV/S 2 O 8 oxidation processes, respectively. In Fe 2+ /S 2 O 8 oxidation, 61.1% of COD removal and above 97% of color (UV 436 , UV 525 and UV 620 ) removal was obtained at 1/8/8 of COD/Fe 2+ /S 2 O 8 ratio and pH 3 after 1 h oxidation. In UV/S 2 O 8 oxidation (COD/S 2 O 8 ratio 1/8, pH 6), 54.4% of COD and 98% of color (UV 436 , UV 525 and UV 620 ) removals were achieved after 4 h oxidation. As a result, both Fe 2+ /S 2 O 8 and UV/S 2 O 8 oxidation processes were applied to ensure discharge standards for color removal from this chemical industry wastewater are effective methods as they provide over 97% color removal. Moreover, COD removal efficiency was approximately 55-60% in both methods.

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Bu Makaleye Atıf Yap

Cifci, D. İ., Güneş, E., Güneş, Y. (2020). Treatment of dye-producing chemical industry wastewater by persulfate advanced oxidation. Environmental Research and Technology, Volume: 3 Issue: 4. https://doi.org/10.35208/ert.771190

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