Porous structure and spatial characteristics of aerobic granules

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

Research output: Contribution to journalArticle

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 languageEnglish
Pages (from-to)25-35
Number of pages11
JournalInternational Journal of Environment and Pollution
Volume45
Issue number1-3
DOIs
Publication statusPublished - Mar 2011

All Science Journal Classification (ASJC) codes

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

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