Texture and type of polymer fiber carrier determine bacterial colonization and biofilm properties in wastewater treatment

Tamás Felföldi, Laura Jurecska, Balázs Vajna, Katalin Barkács, Judit Makk, Gábor Cebe, Attila Szabó, G. Záray, K. Márialigeti

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

Effect of carrier texture and type on biofilm development and maturation were studied on an eight-reactors-containing pilot-scale cascade system which treated municipal wastewater under aerobic conditions and various system operational characteristics. Dissimilarities in the biofilm structures grown on four types of polymer fiber-based carriers placed in the reactors having different role during wastewater purification and compositional changes of bacterial communities during biofilm maturation were clearly observable. In the first 2-3. weeks, taxonomic diversity of biofilm bacterial communities increased and reached their maximum values. Carrier type and texture had comparable effect on the weight, activity and composition of biofilms as the wastewater matrix. Biofilm community grown on the carrier having the best colonization properties were dominated by Proteobacteria, Synergistetes, Bacteroidetes and Firmicutes. In the nascent 7-days-old biofilm, aerobic chemoorganotrophic genera, while in the mature 45-days-old biofilm anaerobes, such as sulfate-reducer and fermentative genera were the major members of the bacterial communities.

Original languageEnglish
Pages (from-to)824-834
Number of pages11
JournalChemical Engineering Journal
Volume264
DOIs
Publication statusPublished - Mar 5 2015

Fingerprint

Biofilms
Wastewater treatment
biofilm
Polymers
colonization
polymer
Textures
texture
Fibers
Wastewater
wastewater
maturation
wastewater treatment
fibre
oxic conditions
Sulfates
Purification
purification
sulfate
matrix

Keywords

  • Bacterial community structure
  • Biofilm maturation
  • Carrier type
  • Municipal wastewater
  • Polymer fiber

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Chemistry(all)
  • Industrial and Manufacturing Engineering
  • Environmental Chemistry

Cite this

Texture and type of polymer fiber carrier determine bacterial colonization and biofilm properties in wastewater treatment. / Felföldi, Tamás; Jurecska, Laura; Vajna, Balázs; Barkács, Katalin; Makk, Judit; Cebe, Gábor; Szabó, Attila; Záray, G.; Márialigeti, K.

In: Chemical Engineering Journal, Vol. 264, 05.03.2015, p. 824-834.

Research output: Contribution to journalArticle

Felföldi, Tamás ; Jurecska, Laura ; Vajna, Balázs ; Barkács, Katalin ; Makk, Judit ; Cebe, Gábor ; Szabó, Attila ; Záray, G. ; Márialigeti, K. / Texture and type of polymer fiber carrier determine bacterial colonization and biofilm properties in wastewater treatment. In: Chemical Engineering Journal. 2015 ; Vol. 264. pp. 824-834.
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