Reuse Water From Water Treatment Sludge With Natural Coagulant
Publish place: 7th Iranian National Water Resources Management Conference
Publish Year: 1397
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
WRM07_312
تاریخ نمایه سازی: 22 اردیبهشت 1398
Abstract:
In the present study, an active component of Moringa oleifera (MO) was used in comparison with ferric chloride (FeCl₃) for the conditioning of water treatment sludge. The comparison was based on dewatering characteristics of the conditioned sludge determined by capillary suction time (CST), specific resistance to filtration (SRF), tests of time of filtration (TTF) and sludge cake moisture content. The results indicated that MO showed relatively comparable conditioning effect as ferric chloride. Sludge conditioned with ferric chloride, showed better results than MO. According to CST, SRF and tests of time of filtration (TTF) and sludge cake moisture content results, optimum dose for MO, and ferric chloride was 100 ml/l. From the results of the study it could be concluded that MO alone could be effectively used and replace ferric chloride for dewatering of water treatment sludge.
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Authors
Ramtin Mazaheri
M.Sc student of Civil-Environmental Engineering, Faculty of Civil, Water and Environmental Engineering, Shahid Beheshti University,
Mostafa Tizghadam ghazani
Assistant Professor of water and wastewater engineering, Faculty of Civil, water and Environmental Engineering, Shahid Beheshti University,
Abolghasem Alighardashi
Assistant Professor of water and wastewater engineering, Faculty of Civil, water and Environmental Engineering, Shahid Beheshti University,