Porous structure and spatial characteristics of aerobic granules

Z. H. Li; X. C. Wang; T. Kuba; T. Kusuda

doi:10.1504/IJEP.2011.039082

Porous structure and spatial characteristics of aerobic granules

Z. H. Li, X. C. Wang, T. Kuba, T. Kusuda

Water and Material Cycles System

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

Cryosectioned granules were observed in microstructure, Extracellur Polymeric Substances (EPS) and metal distribution. Aerobic granules composed of pores and channels that were not plugged by EPS, with rather open structure. Microorganisms proliferated mainly on the surface of granule and on the wall of channels, carbohydrate EPS mainly distributed on the surface of granules, and protein EPS mainly distributed in the interior part of granules. Also, aerobic granules accumulated considerable calcium and phosphorus, which increase the ash solid fraction of granules and thus improve the settleability. Additionally, iron was neither temporally accumulated nor heterogeneously spatially distributed.

Original language	English
Pages (from-to)	25-35
Number of pages	11
Journal	International Journal of Environment and Pollution
Volume	45
Issue number	1-3
DOIs	https://doi.org/10.1504/IJEP.2011.039082
Publication status	Published - Mar 2011

All Science Journal Classification (ASJC) codes

Waste Management and Disposal
Pollution
Management, Monitoring, Policy and Law

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10.1504/IJEP.2011.039082

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AU - Kuba, T.

AU - Kusuda, T.

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AB - Cryosectioned granules were observed in microstructure, Extracellur Polymeric Substances (EPS) and metal distribution. Aerobic granules composed of pores and channels that were not plugged by EPS, with rather open structure. Microorganisms proliferated mainly on the surface of granule and on the wall of channels, carbohydrate EPS mainly distributed on the surface of granules, and protein EPS mainly distributed in the interior part of granules. Also, aerobic granules accumulated considerable calcium and phosphorus, which increase the ash solid fraction of granules and thus improve the settleability. Additionally, iron was neither temporally accumulated nor heterogeneously spatially distributed.

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JF - International Journal of Environment and Pollution

SN - 0957-4352

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ER -

Porous structure and spatial characteristics of aerobic granules

Abstract

All Science Journal Classification (ASJC) codes

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