Formation of aerobic granular sludge and the influence of the pH on sludge characteristics in a SBR fed with brewery/bottling plant wastewater

A laboratory-scale sequencing batch reactor (SBR) was operated for 450 days to assess aerobic granule formation when treating brewery/bottling plant wastewater by consistent application of a feast/famine regime. The experiment was divided into three major periods according to the different operation...

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Veröffentlicht in:Water science and technology : a journal of the International Association on Water Pollution Research. - 1986. - 77(2018), 9-10 vom: 03. Mai, Seite 2253-2264
1. Verfasser: Stes, Hannah (VerfasserIn)
Weitere Verfasser: Aerts, Sven, Caluwé, Michel, Dobbeleers, Thomas, Wuyts, Sander, Kiekens, Filip, D'aes, Jolien, De Langhe, Piet, Dries, Jan
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:Water science and technology : a journal of the International Association on Water Pollution Research
Schlagworte:Journal Article Industrial Waste RNA, Ribosomal, 16S Sewage Waste Water
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520 |a A laboratory-scale sequencing batch reactor (SBR) was operated for 450 days to assess aerobic granule formation when treating brewery/bottling plant wastewater by consistent application of a feast/famine regime. The experiment was divided into three major periods according to the different operational conditions: (I) no pH control and strong fluctuations in organic loading rate (OLR) (1.18 ± 0.25 kgCOD·(m3·day)-1), (II) pH control and aeration control strategy to reduce OLR fluctuations (1.45 ± 0.65 kgCOD·(m3·day)-1) and (III) no pH control and stable OLR (1.42 ± 0.18 kgCOD·(m3·day)-1). Aerobic granule formation was successful after 80 days and maintained during the subsequent 380 days. The aerobic granular sludge was characterized by SVI5 and SVI30 values below 60 mL.g-1 and dominated by granular, dense structures. An oxygen uptake rate based aeration control strategy insured endogenous respiration at the end of the aerobic phase, resulting in stable SBR operation when the influent composition fluctuated. The quantitative polymerase chain reaction results show no significant enrichment of Accumulibacter or Competibacter during the granulation process. The 16S rRNA sequencing results indicate enrichment of other, possibly important species during aerobic granule formation while treating brewery wastewaters 
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700 1 |a Aerts, Sven  |e verfasserin  |4 aut 
700 1 |a Caluwé, Michel  |e verfasserin  |4 aut 
700 1 |a Dobbeleers, Thomas  |e verfasserin  |4 aut 
700 1 |a Wuyts, Sander  |e verfasserin  |4 aut 
700 1 |a Kiekens, Filip  |e verfasserin  |4 aut 
700 1 |a D'aes, Jolien  |e verfasserin  |4 aut 
700 1 |a De Langhe, Piet  |e verfasserin  |4 aut 
700 1 |a Dries, Jan  |e verfasserin  |4 aut 
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