fulltext.study @t Gmail

Distribution of extracellular polymeric substances in anammox granules and their important roles during anammox granulation

Paper ID Volume ID Publish Year Pages File Format Full-Text
2848 137 2015 8 PDF Available
Title
Distribution of extracellular polymeric substances in anammox granules and their important roles during anammox granulation
Abstract

•EPS were proved to play significant role during fast anammox granulation.•Internal structural distribution of EPS and cell in anammox granules were probed.•EPS distributions in high-enriched anammox granules differed from low-enriched ones.•The distinction of EPSs may be caused by various seed sludge and culture strategy.•Low-enriched anammox granules possessed higher stability than high-enriched granules.

Extracellular matrix plays a significant role in formation of matrix structure, biogranulation process and improvement of stability of anammox granules. Distributions of cells and extracellular polymeric substances (EPS) in anammox granules cultured from activated sludge and inactive methanogenic granules were probed. Anammox bacteria secreted more EPS than anaerobic/aerobic granules. The layer of EPS surrounding anammox cells was thicker than other types of granules. In high-enriched granules, the proteins and β-d-glucopyranose polysaccharides were principally distributed at the core, whereas the cells and α-d-glucopyranose polysaccharide accumulated in both the interior and outer layers of granules. In low-enriched ones, cells and α-d-glucopyranose polysaccharides were mainly distributed at the outer rim and the β-d-glucopyranose polysaccharides were located in both the core and the outer layer, whilst the proteins were distributed throughout the whole structure of granules. EPS distribution indicated that low-enriched granules possessed higher stability than high-enriched ones, in consistent with granule strength test.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Anammox granule; Anaerobic processes; Biofilms; Bioreactors; Extracellular polymeric substance; Waste-water treatment
First Page Preview
Distribution of extracellular polymeric substances in anammox granules and their important roles during anammox granulation
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us
Publisher
Database: Elsevier - ScienceDirect
Journal: Biochemical Engineering Journal - Volume 101, 15 September 2015, Pages 126–133
Authors
, , , , ,
Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us