Evaluation of influence of coagulation/flocculation and Fenton oxidation with iron on landfill leachate treatment

• Autorzy: Smaoui Yosr , Mseddi Salma , Ayadi Najla , Sayadi Sami , Bouzid Jalel

Identyfikatory

DOI

10.5277/epe190111

• Języki publikacji: EN

Abstrakty

EN

Landfill leachates (LFL) collected from Sfax (Tunisia) discharge area are characterized by high chemical oxygen demand (COD), ammonium and salts contents. They constitute a source of phytotoxicity and pollution for ground water and surface water resources which requires an adequate treatment process. To evaluate the efficiency of the coagulation/flocculation treatment, special attention was paid to the effect of pH, coagulant and flocculant doses. Then, effect of zero valent iron was also studied alone and in combination with coagulation/flocculation pretreatment. Our results indicate high removal efficiencies by coagulation/flocculation (46% COD and 63% turbidity) and Fenton process (48% COD and 76% turbidity). The combined application of coagulation/flocculation and Fenton revealed higher COD removal (62%) and turbidity reduction (90%). These results showed the applicability of this combined treatment method for the degradation of organic compounds and reduction of the treated leachate toxicity.

Słowa kluczowe

EN

COD; coagulation; Fenton process; groundwater pollution

PL

ChZT; koagulacja; proces Fentona; zanieczyszczenie wód gruntowych

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Environment Protection Engineering
• Rocznik: 2019
• Tom: Vol. 45, nr 1
• Strony: 139--153
• Opis fizyczny: Bibliogr. 25 poz., tab., rys.

Twórcy

autor

Smaoui Yosr

• Laboratoire Génie de l’Environnement et Ecotechnologie, Ecole Nationale d’Ingénieurs de Sfax, Université de Sfax-Tunisie, PB 1173, 3038, Sfax, Tunisia

autor

Mseddi Salma

• Laboratoire Génie de l’Environnement et Ecotechnologie, Ecole Nationale d’Ingénieurs de Sfax, Université de Sfax-Tunisie, PB 1173, 3038, Sfax, Tunisia

autor

Ayadi Najla

• Laboratoire Génie de l’Environnement et Ecotechnologie, Ecole Nationale d’Ingénieurs de Sfax, Université de Sfax-Tunisie, PB 1173, 3038, Sfax, Tunisia

autor

Sayadi Sami

• Laboratoire des Bioprocédés Environnementaux, LMI Cosys-Med, Centre de Biotechnologie de Sfax, BP 1177, 3018, Sfax, Tunisia

autor

Bouzid Jalel

• Laboratoire Génie de l’Environnement et Ecotechnologie, Ecole Nationale d’Ingénieurs de Sfax, Université de Sfax-Tunisie, PB 1173, 3038, Sfax, Tunisia

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).