COLORIMETRIC TOC ANALYSIS AS A SUBSTITUTE FOR COD ANALYSIS

Christopher Fair; Wayne Boyles; Mandy Miller; Cas Knies; Lisa Allen; Brenna Durkin

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COLORIMETRIC TOC ANALYSIS AS A SUBSTITUTE FOR COD ANALYSIS

Abstract

Three wastewater treatment facilities were asked to measure total organic carbon (TOC) with a colorimetric TOC method at every point in their plant where chemical oxygen demand (COD) was customarily measured. In addition, biochemical oxygen demand (BOD) data was requested for assessment of correlation with COD and also with TOC. This study sought to answer the following question, “Can TOC be used effectively used as a estimator of BOD?“ TOC correlations resulted in BOD estimations that were on average 101% of the actual BOD values. COD correlations resulted in BOD estimations that were on average 102% of the actual BOD values. Additionally, correlations between TOC and COD resulted in correlation coefficients as high as 0.97. TOC was shown to be an effective estimator of BOD.

Three wastewater treatment facilities were asked to measure total organic carbon (TOC) with a colorimetric TOC method at every point in their plant where chemical oxygen demand (COD) was customarily measured. In addition, biochemical oxygen demand (BOD) data was requested for assessment of correlation with COD and also with TOC. This study sought to answer the following question, “Can TOC be...

Author(s)

Christopher FairWayne BoylesMandy MillerCas KniesLisa AllenBrenna Durkin

SourceProceedings of the Water Environment Federation

SubjectSession 79: Analytical Methodologies

Document typeConference Paper

PublisherWater Environment Federation

Print publication date Jan, 2004

ISSN1938-6478

SICI1938-6478(20040101)2004:9L.523;1-

DOI10.2175/193864704784132544

Volume / Issue2004 / 9

Content sourceWEFTEC