Performance of a novel hybrid membrane bioreactor: Effect of organic loading rate on respirometric activity
Publish place: 07th International Congress on Chemical Engineering
Publish Year: 1390
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICHEC07_412
تاریخ نمایه سازی: 25 فروردین 1394
Abstract:
In this study, the respirometric activity of activated sludge in the novel hybrid membrane biorector with different organic loading rate (2-6 kg COD. m-3.d-1) was investigated. The concentration of COD in the permeat was lower than 20 mg COD.l-1 and the concentarion of COD in the supernatant at the long term operation system increased. The respirometric activity of activated sludge in the first period ( CODs belowe the 75 mgCOD.l-1 )increased with increasing MLSS and organic laoding rate. Also, respirometric activity decreased with decreasing HRT from 24 to 14h.It was observed at the long term operation when substrate overload occurred, induced a high concentration of COD soluble and polysaccharide concentration in supernatant and a significant decreased the respirometric actvity of activated sludge
Authors
Farshid Pajoum Shariati
School of Chemical Engineering, College of Engineering, University of Tehran, P.O. Box ۱۱۱۵۵-۴۵۶۳, Tehran, Iran . IEM, Université Montpellier ۲,F-۳۴۰۹۵ Montpellier, France
Mohammad Reza Mehrnia
School of Chemical Engineering, College of Engineering, University of Tehran, P.O. Box ۱۱۱۵۵-۴۵۶۳, Tehran, Iran
Mohammad Hossien Sarrafzadeh
School of Chemical Engineering, College of Engineering, University of Tehran, P.O. Box ۱۱۱۵۵-۴۵۶۳, Tehran, Iran
Sara Rezaee
School of Chemical Engineering, College of Engineering, University of Tehran, P.O. Box ۱۱۱۵۵-۴۵۶۳, Tehran, Iran
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