Semnan University of Medical Sciences

Research and Technology Vice Chancellor

Ahmadi, Ehsan and Yousefzadeh, Samira and Ansari, Mohsen and Ghaffari, Hamid Reza and Azari, Ali and Miri, Mohammad and Mesdaghinia, Alireza and Nabizadeh, Ramin and Kakavandi, Babak and Ahmadi, Peyman and Yegane Badi, Mojtaba and Gholami, Mitra and Sharafi, Kiomars and Karimaei, Mostafa and Ghoochani, Mahboobeh and Binesh Brahmand, Masoud and Mohseni, Seyed Mohsen and Sarkhosh, Maryam and Rezaei, Soheila and Asgharnia, Hosseinali and Dehghanifard, Emad and Jafari, Behdad and Mortezapour, Alireza and Kazemi Moghaddam, Vahid and Molla Mahmoudi, Mohammad and Taghipour, Nader (2017) Performance, kinetic, and biodegradation pathway evaluation of anaerobic fixed film fixed bed reactor in removing phthalic acid esters from wastewater. Scientific Reports. pp. 1-14.

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Abstract

Emerging and hazardous environmental pollutants like phthalic acid esters (PAEs) are one of the recent concerns worldwide. PAEs are considered to have diverse endocrine disrupting effects on human health. Industrial wastewater has been reported as an important environment with high concentrations of PAEs. In the present study, four short-chain PAEs including diallyl phthalate (DAP), diethyl phthalate (DEP), dimethyl phthalate (DMP), and phthalic acid (PA) were selected as a substrate for anaerobic fixed film fixed bed reactor (AnFFFBR). The process performances of AnFFFBR, and also its kinetic behavior, were evaluated to find the best eco-friendly phthalate from the biodegradability point of view. According to the results and kinetic coefficients, removing and mineralizing of DMP occurred at a higher rate than other phthalates. In optimum conditions 92.5, 84.41, and 80.39% of DMP, COD, and TOC were removed. DAP was found as the most bio-refractory phthalate. The second-order (Grau) model was selected as the best model for describing phthalates removal.

Item Type: Article
Subjects: R Medicine > R Medicine (General)
Divisions: Faculty of Medical Sciences > School of Medicine<