Study on Oxygen Transfer Model in an Aerobic Granule-Based Sequencing Batch Reactor

Author

Sun Hejiang ; He Le ; Zhang Yun Xia

Author_Institution

Sch. of Environ. Sci. & Eng., Tianjin Univ., Tianjin, China

fYear

2009

fDate

11-13 June 2009

Firstpage

1

Lastpage

4

Abstract

Oxygen transfer was limited in aerobic granules by compact microbial spatial structure. Supposed aerobic granules were spherical, a simplified equation of mass balance for steady-state diffusion of oxygen were set up. The more oxygen concentration and concentration gradient, the stronger and the further oxygen could penetrate. When radii were very small, oxygen could be fully penetrated into granules. Comparing the oxygen consummation rate calculated by modeling with the date from experiment, the model was verified.

Keywords

batch processing (industrial); bioreactors; diffusion; microorganisms; oxygen; sludge treatment; O₂; aerobic granule; concentration gradient; mass balance; microbial spatial structure; oxygen concentration; oxygen transfer model; sequencing batch reactor; sludge granules; steady-state oxygen diffusion; Biomass; Board of Directors; Design engineering; Equations; Helium; Inductors; Monitoring; Oxygen; Sun; Temperature;

fLanguage

English

Publisher

ieee

Conference_Titel

Bioinformatics and Biomedical Engineering , 2009. ICBBE 2009. 3rd International Conference on

Conference_Location

Beijing

Print_ISBN

978-1-4244-2901-1

Electronic_ISBN

978-1-4244-2902-8

Type

conf

DOI

10.1109/ICBBE.2009.5163492

Filename

5163492