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Coarse Pore Filtration Activated Sludge Process an Appropriate System for Wastewater Treatment

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Year: 2004
COI code: NICEC09_023
Paper Language: English

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Authors Coarse Pore Filtration Activated Sludge Process an Appropriate System for Wastewater Treatment

   ALAVI MOGHADDAM - Department of Civil and Environmental Engineering, Amirkabir University of Technology (AUT)
SATOH - Department of Environmental Studies, The University of Tokyo, Japan
MINO - Department of Environmental Studies, The University of Tokyo, Japan

Abstract:

Coarse pore filter can be applied inside the aeration tank to facilitate the separation of sludge from liquid instead of sedimentation. This filter has pores, which are irregular in shape, and the pore size is bigger than those of MF. The objectives of this study were to maintain as much as MLSS in the activated sludge process with coarse pore filter and to investigate the system performance under high MLSS condition. Small-scale
reactor results shows good quality of effluent specially during sludge bulking in the system in terms of SS, TOC, DOC and turbidity. The average carbon removal for 62 days operation of this system was about 94 % (based on effluent DOC) and 87% (based on effluent TOC). The average sludge yield in this system is about 0.44 kg MLSS /Kg TOC which is about 0.24 kg MLSS/ kg BOD. This amount is less than those of conventional activated sludge and trickling filter.

Keywords:

Coarse pore filter, activated sludge, filtration bioreactor, sludge yield

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COI code: NICEC09_023

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ALAVI MOGHADDAM, ; SATOH & MINO, 2004, Coarse Pore Filtration Activated Sludge Process an Appropriate System for Wastewater Treatment, 09th National Iranian Chemical Engineering Congress, تهران, دانشگاه علم و صنعت ايران, https://www.civilica.com/Paper-NICEC09-NICEC09_023.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (ALAVI MOGHADDAM, ; SATOH & MINO, 2004)
Second and more: (ALAVI MOGHADDAM; SATOH & MINO, 2004)
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