Bioelectrochemical cell (BeCC) integrated with Granular Activated Carbon (GAC) in treating spent caustic wastewater

The study is to treat spent caustic wastewater by using bioelectrochemical cell (BeCC) integrated with Granular Activated Carbon (GAC) as the bacterial attachment medium. BeCC is a bioelectrochemical reactor which employed microorganisms for substrate degradation, while also capable in producing ene...

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Main Authors: Norsafiah, Fazli, Noor Sabrina, Ahmad Mutamim, Shem, Chan Yung, Syarifah, Abd Rahim
Format: Article
Language:English
Published: Elsevier Ltd 2019
Subjects:
Online Access:http://umpir.ump.edu.my/id/eprint/26747/
http://umpir.ump.edu.my/id/eprint/26747/1/Bioelectrochemical%20cell%20%28BeCC%29%20integrated%20with%20granular%20activated%20carbon.pdf
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author Norsafiah, Fazli
Noor Sabrina, Ahmad Mutamim
Shem, Chan Yung
Syarifah, Abd Rahim
author_facet Norsafiah, Fazli
Noor Sabrina, Ahmad Mutamim
Shem, Chan Yung
Syarifah, Abd Rahim
author_sort Norsafiah, Fazli
building UMP Institutional Repository
collection Online Access
description The study is to treat spent caustic wastewater by using bioelectrochemical cell (BeCC) integrated with Granular Activated Carbon (GAC) as the bacterial attachment medium. BeCC is a bioelectrochemical reactor which employed microorganisms for substrate degradation, while also capable in producing energy. The study investigated the optimum GAC dosage in BeCC whereby it was tested at 0 g (blank) to 25 g of GAC and its performance in terms of Chemical Oxygen Demand (COD) and sulfide removal and open circuit voltage (OCV) were assessed throughout 30 days of operation. From the study, GAC dosage of 10 g was the optimum GAC dosage with the highest COD and sulfide removal of 97.56% and 96.25%, respectively and highest voltage of 583 mV. Comparing the optimum BeCC performance with the blank, the result demonstrated 16% and 25% higher in COD and sulfide removal, respectively with increment of OCV from 115.7 mV to 583 mV. The biomass characteristics at different GAC dosage were indicated by the mixed liquor suspended solid (MLSS), mixed liquor volatile suspended solid (MLVSS), biomass extracellular polymeric substance (EPS) and sludge volume index (SVI). It is found that the dominant bacteria attached on the GAC was Klebsiella oxytoca identified by biochemical identification method.
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spelling ump-267472020-03-12T06:12:07Z http://umpir.ump.edu.my/id/eprint/26747/ Bioelectrochemical cell (BeCC) integrated with Granular Activated Carbon (GAC) in treating spent caustic wastewater Norsafiah, Fazli Noor Sabrina, Ahmad Mutamim Shem, Chan Yung Syarifah, Abd Rahim TP Chemical technology The study is to treat spent caustic wastewater by using bioelectrochemical cell (BeCC) integrated with Granular Activated Carbon (GAC) as the bacterial attachment medium. BeCC is a bioelectrochemical reactor which employed microorganisms for substrate degradation, while also capable in producing energy. The study investigated the optimum GAC dosage in BeCC whereby it was tested at 0 g (blank) to 25 g of GAC and its performance in terms of Chemical Oxygen Demand (COD) and sulfide removal and open circuit voltage (OCV) were assessed throughout 30 days of operation. From the study, GAC dosage of 10 g was the optimum GAC dosage with the highest COD and sulfide removal of 97.56% and 96.25%, respectively and highest voltage of 583 mV. Comparing the optimum BeCC performance with the blank, the result demonstrated 16% and 25% higher in COD and sulfide removal, respectively with increment of OCV from 115.7 mV to 583 mV. The biomass characteristics at different GAC dosage were indicated by the mixed liquor suspended solid (MLSS), mixed liquor volatile suspended solid (MLVSS), biomass extracellular polymeric substance (EPS) and sludge volume index (SVI). It is found that the dominant bacteria attached on the GAC was Klebsiella oxytoca identified by biochemical identification method. Elsevier Ltd 2019-09-24 Article PeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/26747/1/Bioelectrochemical%20cell%20%28BeCC%29%20integrated%20with%20granular%20activated%20carbon.pdf Norsafiah, Fazli and Noor Sabrina, Ahmad Mutamim and Shem, Chan Yung and Syarifah, Abd Rahim (2019) Bioelectrochemical cell (BeCC) integrated with Granular Activated Carbon (GAC) in treating spent caustic wastewater. Journal of the Taiwan Institute of Chemical Engineers, 104. pp. 114-122. ISSN 1876-1070. (Published) https://doi.org/10.1016/j.jtice.2019.08.019 https://doi.org/10.1016/j.jtice.2019.08.019
spellingShingle TP Chemical technology
Norsafiah, Fazli
Noor Sabrina, Ahmad Mutamim
Shem, Chan Yung
Syarifah, Abd Rahim
Bioelectrochemical cell (BeCC) integrated with Granular Activated Carbon (GAC) in treating spent caustic wastewater
title Bioelectrochemical cell (BeCC) integrated with Granular Activated Carbon (GAC) in treating spent caustic wastewater
title_full Bioelectrochemical cell (BeCC) integrated with Granular Activated Carbon (GAC) in treating spent caustic wastewater
title_fullStr Bioelectrochemical cell (BeCC) integrated with Granular Activated Carbon (GAC) in treating spent caustic wastewater
title_full_unstemmed Bioelectrochemical cell (BeCC) integrated with Granular Activated Carbon (GAC) in treating spent caustic wastewater
title_short Bioelectrochemical cell (BeCC) integrated with Granular Activated Carbon (GAC) in treating spent caustic wastewater
title_sort bioelectrochemical cell (becc) integrated with granular activated carbon (gac) in treating spent caustic wastewater
topic TP Chemical technology
url http://umpir.ump.edu.my/id/eprint/26747/
http://umpir.ump.edu.my/id/eprint/26747/
http://umpir.ump.edu.my/id/eprint/26747/
http://umpir.ump.edu.my/id/eprint/26747/1/Bioelectrochemical%20cell%20%28BeCC%29%20integrated%20with%20granular%20activated%20carbon.pdf