Aniline degradation from aqueous solution using electro/Fe2+/peroxydisulphate process

Kamarehie, Bahram and Mohamadian, Jalal and Mousavi, Seyyed Alireza and Asgari, Ghorban and Shahamat, Yousef Dadban (2017) Aniline degradation from aqueous solution using electro/Fe2+/peroxydisulphate process. DESALINATION AND WATER TREATMENT, 80. pp. 337-343. ISSN 1944-3994

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Abstract

Non-degradation compounds are nowadays not being disposed into the environment, or are removed before being disposed into the environment. The aim of this study was to assess the degradation of aniline from aqueous media by electro/Fe2+/peroxydisulphate (PDS) process. The effects of different parameters like pH (3-9), electric current (EC; 10-30 mA/cm(2)), dose of PDS (10-40 mM), Fe2+ dose (5-20 mM) and initial aniline concentration (20-100 mg/L) on the degradation of aniline were investigated in the laboratory reactor in the batch condition. The results showed that the removal efficiency of aniline decreased by increasing the initial pH and pollutant concentration; however, with increasing EC and PDS doses and ferrous concentration, the removal efficiency increased. The maximum of aniline degradation, equalling 83%, was obtained at 60 min of reaction time. Also, for reaction time of 60-min runs, PDS only, EC only, PDS + Fe, PDS + EC and PDS + Fe + Fe, respectively, have 8.9%, 53%, 43%, 65% and 83% of the removal efficiency. The degradation efficiency of aniline from synthetic wastewater was significantly improved when the combined processes PDS/electro-conduction/Fe2+ was applied. Keywords Author Keywords:Aniline; Degradation; Sulphate radical; Iron; Peroxydisulphate

Item Type: Article
Subjects: R Medicine > R Medicine (General)
Divisions: Faculty of Medicine, Health and Life Sciences > School of Medicine
Depositing User: sobhan rezaiian
Date Deposited: 07 Dec 2017 18:10
Last Modified: 07 Dec 2017 18:10
URI: http://eprints.lums.ac.ir/id/eprint/1019

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