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Modification of polyurethane foam carriers and application in a moving bed biofilm reactor

Paper ID Volume ID Publish Year Pages File Format Full-Text
34458 45026 1982 4 PDF Available
Title
Modification of polyurethane foam carriers and application in a moving bed biofilm reactor
Abstract

•Cationic modified polyurethane foam (MPUF) carriers were prepared.•Biofilm was more susceptible to attachment to MPUF carrier.•The biofilm amount on MPUF was 1.3 times higher than on PUF.•Biofilms on MPUF carrier displayed more complex community diversity.

In this study hydrophilic cationic modified polyurethane foam (MPUF) carriers were developed to achieve faster water immersion and increased affinity for biofilm attachment in a moving bed biofilm reactor compared with generally used polyurethane foam (PUF) carriers. Biofilm was more susceptible to attachment to MPUF carrier than to PUF carrier. At the steady state of reactor operation, the amount of biofilm attached to MPUF carriers was 1.3 times more than that to PUF carriers. Phylogenetic analysis using 454-pyrosequencing revealed that biofilms attached to MPUF carrier displayed more complex community diversity, with higher Ace, Chao1 and Shannon indices and a lower Simpson index.

Keywords
Biofilm; Moving bed bioreactor; Wastewater treatment; Modified polyurethane foam; 454-Pyrosequencing
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 49, Issue 11, November 2014, Pages 1979–1982
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
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Full-text PDF Download
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Any Questions? feel free to contact us