Degree Type

Thesis

Date of Award

2008

Degree Name

Master of Science

Department

Civil, Construction, and Environmental Engineering

First Advisor

Timothy G. Ellis

Second Advisor

ShihWu Sung

Third Advisor

Thomas E. Loynachan

Abstract

Swine wastewater was successfully treated by the SGBR. Two types of swine wastewater samples were used, and the performance of the SGBR was excellent. COD removal efficiency of sample 1 was 84.7∼94.5%, while that of sample 2 was 58.4∼76.6%. The SGBR acted not only as a bioreactor but also as a filter system. The performance of suspended solids removal was excellent irrespective of the OLR. Additionally, the COD removal efficiency in the effluent after backwashing was not a function of the recovery time but that of the OLR.;The SGBR model was developed with concepts of advection, diffusion/dispersion, and decay of microorganisms. The simulated COD correlated well with the experimental COD except at low concentrations.;The SGBR behaved as a pseudo-plug flow reactor within the top 20% of reactor height so that most of the COD and VFA were completely removed. In addition, a large amount of granules in the lower part of the SGBR was used to polish organic matter and solids.

DOI

https://doi.org/10.31274/rtd-180813-16546

Publisher

Digital Repository @ Iowa State University, http://lib.dr.iastate.edu/

Copyright Owner

Seung Joo Lim

Language

en

Proquest ID

AAI1453130

OCLC Number

236166018

ISBN

9780549542001

File Format

application/pdf

File Size

95 pages

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