Please use this identifier to cite or link to this item: http://hdl.handle.net/1822/4474

TitlePoly-ß-hydroxybutyrate metabolism in a biofilm reactor
Author(s)Alves, Cláudia
Nogueira, R.
Brito, A. G.
KeywordsPoly-ß-hydroxybutyrate (PHB)
Sequencing batch biofilm reactor (SBBR)
Nitrogen removal
Issue date2004
PublisherIWA publishing
CitationINTERNATIONAL CONFERENCE BIOFILMS, Las Vegas, 2004 - “Proceedings of the International Conference Biofilms 2004 : structure and activity of biofilms : poster presentations, Las Vegas, NV, USA., 24-26 October, 2004”. [S.l.] : IWA publishing, [2004?]. p. 259-264.
Abstract(s)The aim of this work was the study of poly-ß-hydroxybutyrate (PHB) formation and degradation in a sequencing batch biofilm reactor (SBBR). The SBBR was operated in cycles comprising three individual phases: mixed fill, aerated and draw. A synthetic substrate solution with acetate and ammonium was used. PHB was formed during the aerated phase immediately after acetate depletion, and was subsequently consumed for biomass growth, owing to the high oxygen concentration in the reactor. It was observed a combination of suspended and biofilm growth in the SBBR with predominance of the fixed form of biomass. Maximum PHB fraction of suspended biomass was considerably higher than the one of biofilm. This may possibly be explained by a combination of two factors: lower mass transfer limitation of acetate and higher fraction of heterotrophs in suspended biomass compared to the ones of biofilm.
TypeConference paper
URIhttp://hdl.handle.net/1822/4474
Peer-Reviewedyes
AccessRestricted access (UMinho)
Appears in Collections:CEB - Artigos em Livros de Atas / Papers in Proceedings

Files in This Item:
File Description SizeFormat 
Alves.pdf
  Restricted access
303,97 kBAdobe PDFView/Open

Partilhe no FacebookPartilhe no TwitterPartilhe no DeliciousPartilhe no LinkedInPartilhe no DiggAdicionar ao Google BookmarksPartilhe no MySpacePartilhe no Orkut
Exporte no formato BibTex mendeley Exporte no formato Endnote Adicione ao seu ORCID