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Biological removal of phenol from saline wastewater using a moving bed biofilm reactor containing acclimated mixed consortia
, Article SpringerPlus ; Vol. 3, issue. 1 , 2014 , pp. 1-10 ; ISSN: 21931801 ; Ahmadizadeh, K ; Fereshtehnejad, M ; Rostami, M. H ; Safari, M ; Borghei, S. M ; Sharif University of Technology
Abstract
In this study, the performance of an aerobic moving bed biofilm reactor (MBBR) was assessed for the removal of phenol as the sole substrate from saline wastewater. The effect of several parameters namely inlet phenol concentration (200-1200 mg/L), hydraulic retention time (8-24 h), inlet salt content (10-70 g/L), phenol shock loading, hydraulic shock loading and salt shock loading on the performance of the 10 L MBBR inoculated with a mixed culture of active biomass gradually acclimated to phenol and salt were evaluated in terms of phenol and chemical oxygen demand (COD) removal efficiencies. The results indicated that phenol and COD removal efficiencies are affected by HRT, phenol and salt...