Shortcut Biological Nitrogen Removal (SBNR) in Microbial Fuel Cells (MFCs)

被引：1
作者：
Bavasso I. [1 ]
Montanaro D. [1 ]
Petrucci E. [1 ]
Di Palma L. [1 ]
机构：
[1] Department of Chemical Engineering Materials Environment (DICMA), Sapienza University of Rome, Via Eudossiana 18, Rome
来源：
Chemical Engineering Transactions | 2017年 / 57卷
关键词：
Wastewater treatment - Sodium nitrate - Sulfur compounds - Nitrates - Microbial fuel cells - Anaerobic digestion - Nitrogen removal - Open circuit voltage;
D O I：
10.3303/CET1757122
中图分类号：
学科分类号：
摘要：
Microbial Fuel Cells (MFCs) represent nowadays a promising technology for the treatment of industrial wastewater. In this work the Shortcut Nitritation/Denitritation process in H-type MFC was investigated. The cell was fed by sodium acetate and fumaric acid, as organic carbon source, and ammonium sulphate, sodium nitrite and sodium nitrate as nitrogen source. Anaerobic digestion supernatant (digestate) was used as bacterial source. Batch tests were performed at a TOC/N ratio of 0.35, and Total Organic Carbon (TOC), pH and Open Circuit Voltage (OCV) were daily monitored. High organic carbon removal (up to 85%) in short time (within 6 days) were achieved. The nitritation proved to be independent of organic carbon amount and composition: an ammonium content reduction of about 45% was observed. Regarding the denitritation step, an almost quantitative removal of nitrite and nitrate was observed when fumaric acid was used as a carbon source. © Copyright 2017, AIDIC Servizi S.r.l.
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页码：727 / 732
页数：5
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