Study of 16 Portuguese activated sludge systems based on filamentous bacteria populations and their relationships with environmental parameters

Verfasser / Beitragende:
[Liliana Araújo dos Santos, Vânia Ferreira, Marta Neto, Maria Pereira, Manuel Mota, Ana Nicolau]
Ort, Verlag, Jahr:
2015
Enthalten in:
Applied Microbiology and Biotechnology, 99/12(2015-06-01), 5307-5316
Format:
Artikel (online)
ID: 605500665
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024 7 0 |a 10.1007/s00253-015-6393-8  |2 doi 
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245 0 0 |a Study of 16 Portuguese activated sludge systems based on filamentous bacteria populations and their relationships with environmental parameters  |h [Elektronische Daten]  |c [Liliana Araújo dos Santos, Vânia Ferreira, Marta Neto, Maria Pereira, Manuel Mota, Ana Nicolau] 
520 3 |a A survey in 16 activated sludge wastewater treatment plants (WWTP) was conducted to contribute to the knowledge of the environmental parameters that determine the composition of the filamentous community. A total of 128 samples of mixed liquor from municipal WWTP were collected during 2years, and 22 filamentous morphotypes were identified. The most frequent and abundant filamentous bacteria were, in both cases and by this order, type 0041/0675, type 0092,Microthrix parvicella and 1851, nocardioformsand Haliscomenobacter hydrossis. Concerning dominance, type 1851 was the most frequently dominant morphotype, followed by M. parvicella and types 0092 and 0041/0675. These were also, and by this order, the dominant morphotypes during bulking occurrences. Significant correlations were obtained between the abundance of filamentous bacteria and environmental parameters, but multivariate statistical analysis only confirmed the correlation between type 0092 and Sludge Volume Index (SVI), emphasizing the association of this filament with bulking. The discussion of the results in light of published works was complicated by the random use of terms such as frequency, abundance, and dominance with different and often unclear meanings. This reinforces the need of clarifying these terms when discussing the causes of filamentous overgrowth in WWTP. 
540 |a Springer-Verlag Berlin Heidelberg, 2015 
690 7 |a Activated sludge  |2 nationallicence 
690 7 |a Filamentous bacteria  |2 nationallicence 
690 7 |a Environmental parameters  |2 nationallicence 
690 7 |a Correlations  |2 nationallicence 
690 7 |a PCA  |2 nationallicence 
700 1 |a Araújo dos Santos  |D Liliana  |u CEB-Centro de Engenharia Biológica, Universidade do Minho, Campus de Gualtar, 4710-57, Braga, Portugal  |4 aut 
700 1 |a Ferreira  |D Vânia  |u CEB-Centro de Engenharia Biológica, Universidade do Minho, Campus de Gualtar, 4710-57, Braga, Portugal  |4 aut 
700 1 |a Neto  |D Marta  |u CEB-Centro de Engenharia Biológica, Universidade do Minho, Campus de Gualtar, 4710-57, Braga, Portugal  |4 aut 
700 1 |a Pereira  |D Maria  |u CEB-Centro de Engenharia Biológica, Universidade do Minho, Campus de Gualtar, 4710-57, Braga, Portugal  |4 aut 
700 1 |a Mota  |D Manuel  |u CEB-Centro de Engenharia Biológica, Universidade do Minho, Campus de Gualtar, 4710-57, Braga, Portugal  |4 aut 
700 1 |a Nicolau  |D Ana  |u CEB-Centro de Engenharia Biológica, Universidade do Minho, Campus de Gualtar, 4710-57, Braga, Portugal  |4 aut 
773 0 |t Applied Microbiology and Biotechnology  |d Springer Berlin Heidelberg  |g 99/12(2015-06-01), 5307-5316  |x 0175-7598  |q 99:12<5307  |1 2015  |2 99  |o 253 
856 4 0 |u https://doi.org/10.1007/s00253-015-6393-8  |q text/html  |z Onlinezugriff via DOI 
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900 7 |a Metadata rights reserved  |b Springer special CC-BY-NC licence  |2 nationallicence 
908 |D 1  |a research-article  |2 jats 
949 |B NATIONALLICENCE  |F NATIONALLICENCE  |b NL-springer 
950 |B NATIONALLICENCE  |P 856  |E 40  |u https://doi.org/10.1007/s00253-015-6393-8  |q text/html  |z Onlinezugriff via DOI 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Araújo dos Santos  |D Liliana  |u CEB-Centro de Engenharia Biológica, Universidade do Minho, Campus de Gualtar, 4710-57, Braga, Portugal  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Ferreira  |D Vânia  |u CEB-Centro de Engenharia Biológica, Universidade do Minho, Campus de Gualtar, 4710-57, Braga, Portugal  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Neto  |D Marta  |u CEB-Centro de Engenharia Biológica, Universidade do Minho, Campus de Gualtar, 4710-57, Braga, Portugal  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Pereira  |D Maria  |u CEB-Centro de Engenharia Biológica, Universidade do Minho, Campus de Gualtar, 4710-57, Braga, Portugal  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Mota  |D Manuel  |u CEB-Centro de Engenharia Biológica, Universidade do Minho, Campus de Gualtar, 4710-57, Braga, Portugal  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Nicolau  |D Ana  |u CEB-Centro de Engenharia Biológica, Universidade do Minho, Campus de Gualtar, 4710-57, Braga, Portugal  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Applied Microbiology and Biotechnology  |d Springer Berlin Heidelberg  |g 99/12(2015-06-01), 5307-5316  |x 0175-7598  |q 99:12<5307  |1 2015  |2 99  |o 253