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Iranian Journal of Environmental Health, Science and Engineering
Iranian Association of Environmental Health (IAEH)
ISSN: 1735-1979
Vol. 3, No. 2, 2006, pp. 85-90
Bioline Code: se06013
Full paper language: English
Document type: Research Article
Document available free of charge

Iranian Journal of Environmental Health, Science and Engineering, Vol. 3, No. 2, 2006, pp. 85-90

 en EFFECT OF ORGANIC LOADING ON THE PERFORMANCE OFAERATED SUBMERGED FIXED-FILM REACTOR (ASFFR) FOR CRUDE OIL-CONTAINING WASTEWATER TREATMENT
Izanloo, H.; Mesdaghinia, A; Nabizadeh, R.; Nasseri, S.; Naddafi, K.; Mahvi, A. H. & Nazmara, Sh.

Abstract

An aerated submerged fixed-film (ASFF) bioreactor was developed to treat an artificial wastewater based on crude oil. Bee-Cell 2000 was used as support media having porosity of 87% and a specific surface area of 650 m2/m3. The system was able to achieve 83.14–97.05 percentage removal efficiencies of soluble chemical oxygen demand (SCOD) in the organic loading rate range of 0.84 to 9.41 g SCOD/m2.day. Results showed that the effluent SCOD concentration ranged between 18.93 and 100.93 mg/L at organic loadings experienced. Therefore, an ASFF process showed that it was feasible to treat high oily wastewater in order to meet the discharge standards.

Keywords
Aerated submerged fixed-film (ASFFR) bioreactor, SCOD removal, attached growth,organic loading rate, oily wastewater, discharge standards

 
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