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Shipboard bilge water treatment by electrocoagulation powered by microbial fuel cells

Ships generate large amounts of wastewater including oily bilge water, blackwater and greywater. Traditionally they are treated separately with high energy consumption. In this study we demonstrate the feasibility that these waste streams can be treated using an integrated electrocoagulation cell (E... Full description

Journal Title: Frontiers of Environmental Science & Engineering 2019, Vol.13(4), pp.1-7
Main Author: Mei, Xiaoxue
Other Authors: Wang, Heming , Hou, Dianxun , Lobo, Fernanda , Xing, Defeng , Ren, Zhiyong
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 2095-2201 ; E-ISSN: 2095-221X ; DOI: 10.1007/s11783-019-1134-3
Link: http://dx.doi.org/10.1007/s11783-019-1134-3
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recordid: springer_jour10.1007/s11783-019-1134-3
title: Shipboard bilge water treatment by electrocoagulation powered by microbial fuel cells
format: Article
creator:
  • Mei, Xiaoxue
  • Wang, Heming
  • Hou, Dianxun
  • Lobo, Fernanda
  • Xing, Defeng
  • Ren, Zhiyong
subjects:
  • Bilge water
  • Electrocoagulation
  • Microbial fuel cell
  • Shipboard wastewater
ispartof: Frontiers of Environmental Science & Engineering, 2019, Vol.13(4), pp.1-7
description: Ships generate large amounts of wastewater including oily bilge water, blackwater and greywater. Traditionally they are treated separately with high energy consumption. In this study we demonstrate the feasibility that these waste streams can be treated using an integrated electrocoagulation cell (ECC) and microbial fuel cell (MFC) process, which not only synergized the contaminants removal but also accomplished energy neutrality by directly powering EC with MFC electricity. Results showed that MFC stack powered ECC removed 93% of oily organics, which is comparable to the performance of an external DC voltage powered ECC. In the meantime, more than 80% of COD was removed from MFCs when fed with either acetate or municipal wastewater. Moreover, the ECC electrode area and distance showed notable effects on current generation and contaminants removal, and further studies should focus on operation optimization to enhance treatment efficiency.
language: eng
source:
identifier: ISSN: 2095-2201 ; E-ISSN: 2095-221X ; DOI: 10.1007/s11783-019-1134-3
fulltext: fulltext
issn:
  • 2095-221X
  • 2095221X
  • 2095-2201
  • 20952201
url: Link


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titleShipboard bilge water treatment by electrocoagulation powered by microbial fuel cells
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subjectBilge water ; Electrocoagulation ; Microbial fuel cell ; Shipboard wastewater
descriptionShips generate large amounts of wastewater including oily bilge water, blackwater and greywater. Traditionally they are treated separately with high energy consumption. In this study we demonstrate the feasibility that these waste streams can be treated using an integrated electrocoagulation cell (ECC) and microbial fuel cell (MFC) process, which not only synergized the contaminants removal but also accomplished energy neutrality by directly powering EC with MFC electricity. Results showed that MFC stack powered ECC removed 93% of oily organics, which is comparable to the performance of an external DC voltage powered ECC. In the meantime, more than 80% of COD was removed from MFCs when fed with either acetate or municipal wastewater. Moreover, the ECC electrode area and distance showed notable effects on current generation and contaminants removal, and further studies should focus on operation optimization to enhance treatment efficiency.
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titleShipboard bilge water treatment by electrocoagulation powered by microbial fuel cells
descriptionShips generate large amounts of wastewater including oily bilge water, blackwater and greywater. Traditionally they are treated separately with high energy consumption. In this study we demonstrate the feasibility that these waste streams can be treated using an integrated electrocoagulation cell (ECC) and microbial fuel cell (MFC) process, which not only synergized the contaminants removal but also accomplished energy neutrality by directly powering EC with MFC electricity. Results showed that MFC stack powered ECC removed 93% of oily organics, which is comparable to the performance of an external DC voltage powered ECC. In the meantime, more than 80% of COD was removed from MFCs when fed with either acetate or municipal wastewater. Moreover, the ECC electrode area and distance showed notable effects on current generation and contaminants removal, and further studies should focus on operation optimization to enhance treatment efficiency.
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abstractShips generate large amounts of wastewater including oily bilge water, blackwater and greywater. Traditionally they are treated separately with high energy consumption. In this study we demonstrate the feasibility that these waste streams can be treated using an integrated electrocoagulation cell (ECC) and microbial fuel cell (MFC) process, which not only synergized the contaminants removal but also accomplished energy neutrality by directly powering EC with MFC electricity. Results showed that MFC stack powered ECC removed 93% of oily organics, which is comparable to the performance of an external DC voltage powered ECC. In the meantime, more than 80% of COD was removed from MFCs when fed with either acetate or municipal wastewater. Moreover, the ECC electrode area and distance showed notable effects on current generation and contaminants removal, and further studies should focus on operation optimization to enhance treatment efficiency.
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doi10.1007/s11783-019-1134-3
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