{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["10(1)"],"submitter":["Santillan E"],"funding":["Ministry of Education - Singapore","National Research Foundation Singapore"],"pubmed_abstract":["Sustained disturbances are relevant for environmental biotechnology as they can lead to alternative stable states in a system that may not be reversible. Here, we tested the effect of a sustained organic loading alteration (food-to-biomass ratio, F:M, and carbon-to-nitrogen ratio, C:N) on activated sludge bioreactors, focusing on the stability of nitrification and nitrifiers. Two sets of replicate 5-L sequencing batch reactors were operated at different, low and high, F:M (0.19-0.36 mg COD/mg TSS/d) and C:N (3.5-6.3 mg COD/mg TKN) conditions for a period of 74 days, following 53 days of sludge acclimation. Recovery and resilience were tested during the last 14 days by operating all reactors at low F:M and C:N (henceforth termed F:M-C:N). Stable nitrite accumulation (77%) was achieved throu"],"journal":["Scientific reports"],"pagination":["21388"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC7721871"],"repository":["biostudies-literature"],"pubmed_title":["Sustained organic loading disturbance favors nitrite accumulation in bioreactors with variable resistance, recovery and resilience of nitrification and nitrifiers."],"pmcid":["PMC7721871"],"pubmed_authors":["Wuertz S","Santillan E","Constancias F","Phua WX"],"additional_accession":[]},"is_claimable":false,"name":"Sustained organic loading disturbance favors nitrite accumulation in bioreactors with variable resistance, recovery and resilience of nitrification and nitrifiers.","description":"Sustained disturbances are relevant for environmental biotechnology as they can lead to alternative stable states in a system that may not be reversible. Here, we tested the effect of a sustained organic loading alteration (food-to-biomass ratio, F:M, and carbon-to-nitrogen ratio, C:N) on activated sludge bioreactors, focusing on the stability of nitrification and nitrifiers. Two sets of replicate 5-L sequencing batch reactors were operated at different, low and high, F:M (0.19-0.36 mg COD/mg TSS/d) and C:N (3.5-6.3 mg COD/mg TKN) conditions for a period of 74 days, following 53 days of sludge acclimation. Recovery and resilience were tested during the last 14 days by operating all reactors at low F:M and C:N (henceforth termed F:M-C:N). Stable nitrite accumulation (77%) was achieved throu","dates":{"release":"2020-01-01T00:00:00Z","publication":"2020 Dec","modification":"2025-04-07T00:00:47.388Z","creation":"2025-04-04T19:12:41.012Z"},"accession":"S-EPMC7721871","cross_references":{"pubmed":["33288775"],"doi":["10.1038/s41598-020-78314-1"]}}