Treatment of bilge water by Fenton oxidation followed by granular activated carbon adsorption

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Öz Ç., Çetin E.

Water, cilt.13, sa.19, ss.1-11, 2021 (SCI-Expanded, Scopus)

• Yayın Türü: Makale / Tam Makale
• Cilt numarası: 13 Sayı: 19
• Basım Tarihi: 2021
• Doi Numarası: 10.3390/w.13192792
• Dergi Adı: Water
• Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Aqualine, Aquatic Science & Fisheries Abstracts (ASFA), CAB Abstracts, Compendex, Environment Index, Food Science & Technology Abstracts, Geobase, INSPEC, Pollution Abstracts, Veterinary Science Database, Directory of Open Access Journals
• Sayfa Sayıları: ss.1-11
• Açık Arşiv Koleksiyonu: AVESİS Açık Erişim Koleksiyonu
• İstanbul Üniversitesi-Cerrahpaşa Adresli: Evet

Özet

ships due to its high oil content. Coagulation-flocculation processes have been applied in Haydarpasa Waste Treatment Plant for bilge water treatment. Therefore, this research proposed physicochemical processes (Fenton oxidation followed by granular activated carbon (GAC) adsorption) to treat bilge water for Haydarpasa Waste Treatment Plant. Optimum operational conditions for Fenton oxidation were applied as [Fe²⁺]: 6 mM, [H₂O₂]: 30 mM and the ratio of [Fe²⁺]/[H₂O₂]: 1/5. Supernatant phase after Fenton oxidation was transferred for adsorption. The effects of different adsorption periods, adsorbent concentrations, temperature, and pH were examined. Additionally, Freundlich and Langmuir isotherm models were applied. Optimum operational conditions were obtained as 24 h, 2 g GAC L^-1, 20°C, and pH = 6. 89.5 ± 1.9% of COD removal efficiency was reported under these conditions. Data generated from the experiments well fitted on both isotherm models. Langmuir isotherm model was preferred than Freundlich isotherm model because of greater regression coefficient (0.90) than the one reported for Freundlich isotherm models (0.78). The potential to treat of bilge water by Fenton oxidation followed by granular activated carbon is promising for