A novel single-stage process integrating simultaneous COD oxidation, partial nitritation-denitritation and anammox (SCONDA) for treating ammonia-rich organic wastewater

In this study, simultaneous carbon oxidation, partial nitritation, denitritation and anammox (SCONDA) was successfully integrated into a one-stage sequencing biofilm batch reactor for treating ammonia-rich organic wastewater with carbon to nitrogen (C/N) ratio of 3. The results showed that 94.3% of...

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Main Authors: Zhou, Xin, Zhang, Zeqian, Zhang, Xinai, Liu, Yu
Other Authors: School of Civil and Environmental Engineering
Format: Journal Article
Language:English
Published: 2020
Subjects:
Online Access:https://hdl.handle.net/10356/139983
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author Zhou, Xin
Zhang, Zeqian
Zhang, Xinai
Liu, Yu
author2 School of Civil and Environmental Engineering
author_facet School of Civil and Environmental Engineering
Zhou, Xin
Zhang, Zeqian
Zhang, Xinai
Liu, Yu
author_sort Zhou, Xin
collection NTU
description In this study, simultaneous carbon oxidation, partial nitritation, denitritation and anammox (SCONDA) was successfully integrated into a one-stage sequencing biofilm batch reactor for treating ammonia-rich organic wastewater with carbon to nitrogen (C/N) ratio of 3. The results showed that 94.3% of COD removal together with 92.6% NH4+-N and 88% TN removal were achieved via SCONDA. High-throughout sequencing analysis further revealed that the microbial community developed in the proposed system was primarily dominated by heterotrophic bacteria (e.g. Thauera, Azovibrio, Ohtaekwangia, Azospira), autotrophic bacteria (e.g. Nitrosomona) and unclassified genus of anammox bacterium, which were all essential for COD and N removal via SCONDA. The observed spatial distributions of the functional species in stratified biofilms were found to be crucial for successful SCONDA at the low dissolved oxygen of 1.3 mg/L. The integrated SCONDA system is expected to offer a promising alternative for advanced nitrogen and organic removal from high-ammonia organic wastewater.
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spelling ntu-10356/1399832020-05-26T02:03:04Z A novel single-stage process integrating simultaneous COD oxidation, partial nitritation-denitritation and anammox (SCONDA) for treating ammonia-rich organic wastewater Zhou, Xin Zhang, Zeqian Zhang, Xinai Liu, Yu School of Civil and Environmental Engineering Advanced Environmental Biotechnology Centre Nanyang Environment and Water Research Institute Engineering::Civil engineering SCONDA Anammox In this study, simultaneous carbon oxidation, partial nitritation, denitritation and anammox (SCONDA) was successfully integrated into a one-stage sequencing biofilm batch reactor for treating ammonia-rich organic wastewater with carbon to nitrogen (C/N) ratio of 3. The results showed that 94.3% of COD removal together with 92.6% NH4+-N and 88% TN removal were achieved via SCONDA. High-throughout sequencing analysis further revealed that the microbial community developed in the proposed system was primarily dominated by heterotrophic bacteria (e.g. Thauera, Azovibrio, Ohtaekwangia, Azospira), autotrophic bacteria (e.g. Nitrosomona) and unclassified genus of anammox bacterium, which were all essential for COD and N removal via SCONDA. The observed spatial distributions of the functional species in stratified biofilms were found to be crucial for successful SCONDA at the low dissolved oxygen of 1.3 mg/L. The integrated SCONDA system is expected to offer a promising alternative for advanced nitrogen and organic removal from high-ammonia organic wastewater. 2020-05-26T02:03:04Z 2020-05-26T02:03:04Z 2018 Journal Article Zhou, X., Zhang, Z., Zhang, X., & Liu, Y. (2018). A novel single-stage process integrating simultaneous COD oxidation, partial nitritation-denitritation and anammox (SCONDA) for treating ammonia-rich organic wastewater. Bioresource Technology, 254, 50-55. doi:10.1016/j.biortech.2018.01.057 0960-8524 https://hdl.handle.net/10356/139983 10.1016/j.biortech.2018.01.057 29413938 2-s2.0-85043333696 254 50 55 en Bioresource Technology © 2018 Elsevier Ltd. All rights reserved.
spellingShingle Engineering::Civil engineering
SCONDA
Anammox
Zhou, Xin
Zhang, Zeqian
Zhang, Xinai
Liu, Yu
A novel single-stage process integrating simultaneous COD oxidation, partial nitritation-denitritation and anammox (SCONDA) for treating ammonia-rich organic wastewater
title A novel single-stage process integrating simultaneous COD oxidation, partial nitritation-denitritation and anammox (SCONDA) for treating ammonia-rich organic wastewater
title_full A novel single-stage process integrating simultaneous COD oxidation, partial nitritation-denitritation and anammox (SCONDA) for treating ammonia-rich organic wastewater
title_fullStr A novel single-stage process integrating simultaneous COD oxidation, partial nitritation-denitritation and anammox (SCONDA) for treating ammonia-rich organic wastewater
title_full_unstemmed A novel single-stage process integrating simultaneous COD oxidation, partial nitritation-denitritation and anammox (SCONDA) for treating ammonia-rich organic wastewater
title_short A novel single-stage process integrating simultaneous COD oxidation, partial nitritation-denitritation and anammox (SCONDA) for treating ammonia-rich organic wastewater
title_sort novel single stage process integrating simultaneous cod oxidation partial nitritation denitritation and anammox sconda for treating ammonia rich organic wastewater
topic Engineering::Civil engineering
SCONDA
Anammox
url https://hdl.handle.net/10356/139983
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