Performance of Combination of PreOzonation and Membrane Biological Reactor on Greywater Characteristics

Dheyaa W. Abbood, AmerHassan Taher, Ali Ahmed Ali


an ozone-biological aerated filter process was operated for ten months to evaluate its feasibility in polishing Greywateras primary treatment. The reduction efficiency of BOD5, COD, and TSS were 44%,27%, and 41.1% respectively. The average ranged effluent of PH, NH3-N,T-N, Total Phosphorous were (6.5-8.5), (19-61)mg/l, (9.1-34.7)mg/l, and (2.8-18.2)mg/l respectively.

Main operational parameters were: Ozone rate 2 gm/hr for 6 hr from April to July and 8 hr from October to march.All results showed excellent performance of the ozone-biological aerated filter process. Experiences proved that the operation parameters such as dosage of ozone should be changed with the influent quality to acquire the best quality of the effluent.

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ISSN (Paper)2224-5790 ISSN (Online)2225-0514

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