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Article: Unclassified Anammox bacterium responds to robust nitrogen removal in a sequencing batch reactor fed with landfill leachate

TitleUnclassified Anammox bacterium responds to robust nitrogen removal in a sequencing batch reactor fed with landfill leachate
Authors
KeywordsUnclassified Anammox bacterium
Landfill leachate
Nitrogen removal
SBR
Issue Date2020
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/biortech
Citation
Bioresource Technology, 2020, v. 316, p. article no. 123959 How to Cite?
AbstractTreatment of landfill leachate was conducted in a lab-scale sequencing batch reactor (SBR). The SBR was started through inoculating activated sludge with controlling dissolved oxygen of 0.5–1.0 mg/L. Anammox reaction took place within around three months. The SBR established robust nitrogen removal with incremental NLRs of 0.25–2.17 kg N/m3/d. At the final phase, it achieved elevated nitrogen removals of 1.68–1.91 kg N/m3/d. 16S rRNA gene amplicon sequencing analysis revealed Nitrosomonas, unclassified Anammox bacterium, and diverse denitrifying populations coexisted and accounted for 4.02%, 20.05% and 34.69%, respectively. Phylogenic analysis and average nucleotide identity comparison jointly suggested the unclassified Anammox bacterium potentially pertained to a novel Anammox lineage. The functional profiles’ prediction suggested sulfate reduction, arsenate reduction and eliminations of antibiotics and drugs likely occurred in the SBR. The finding from this study suggests contribution of unclassified Anammox bacteria in influencing nitrogen budget in natural and engineering systems is currently being underestimated.
Persistent Identifierhttp://hdl.handle.net/10722/293543
ISSN
2020 Impact Factor: 9.642
2020 SCImago Journal Rankings: 2.489
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorHuang, X-
dc.contributor.authorMI, W-
dc.contributor.authorIto, H-
dc.contributor.authorKawagoshi, Y-
dc.date.accessioned2020-11-23T08:18:19Z-
dc.date.available2020-11-23T08:18:19Z-
dc.date.issued2020-
dc.identifier.citationBioresource Technology, 2020, v. 316, p. article no. 123959-
dc.identifier.issn0960-8524-
dc.identifier.urihttp://hdl.handle.net/10722/293543-
dc.description.abstractTreatment of landfill leachate was conducted in a lab-scale sequencing batch reactor (SBR). The SBR was started through inoculating activated sludge with controlling dissolved oxygen of 0.5–1.0 mg/L. Anammox reaction took place within around three months. The SBR established robust nitrogen removal with incremental NLRs of 0.25–2.17 kg N/m3/d. At the final phase, it achieved elevated nitrogen removals of 1.68–1.91 kg N/m3/d. 16S rRNA gene amplicon sequencing analysis revealed Nitrosomonas, unclassified Anammox bacterium, and diverse denitrifying populations coexisted and accounted for 4.02%, 20.05% and 34.69%, respectively. Phylogenic analysis and average nucleotide identity comparison jointly suggested the unclassified Anammox bacterium potentially pertained to a novel Anammox lineage. The functional profiles’ prediction suggested sulfate reduction, arsenate reduction and eliminations of antibiotics and drugs likely occurred in the SBR. The finding from this study suggests contribution of unclassified Anammox bacteria in influencing nitrogen budget in natural and engineering systems is currently being underestimated.-
dc.languageeng-
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/biortech-
dc.relation.ispartofBioresource Technology-
dc.subjectUnclassified Anammox bacterium-
dc.subjectLandfill leachate-
dc.subjectNitrogen removal-
dc.subjectSBR-
dc.titleUnclassified Anammox bacterium responds to robust nitrogen removal in a sequencing batch reactor fed with landfill leachate-
dc.typeArticle-
dc.identifier.emailHuang, X: xwhuang@hku.hk-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.biortech.2020.123959-
dc.identifier.pmid32795870-
dc.identifier.scopuseid_2-s2.0-85089241168-
dc.identifier.hkuros318775-
dc.identifier.volume316-
dc.identifier.spagearticle no. 123959-
dc.identifier.epagearticle no. 123959-
dc.identifier.isiWOS:000571522700003-
dc.publisher.placeNetherlands-
dc.identifier.issnl0960-8524-

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