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Am. J. Enol. Vitic. 10:4:199-205 (1959)
Copyright © 1959 by the American Society for Enology and Viticulture.
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Bod vs. Cod Methods for Determining Brandy Stillage Purification

James D. Macmillan 1, George K. York II 1, and Reese H. Vaughn 1

1 Department of Food Science and Technology University of California, Davis

Analysis of sewage and sewage-stillage mixtures by COD and BOD procedures indicates the usefulness of the COD method for predicting the degree of pollution of these materials in terms of 5-day or 20-day BOD. Specifically, COD values for raw sewage correlated well with the 5-day BOD; and raw sewage-stillage mixtures with COD values above 500 ppm were best correlated with 20-day BOD. All effluent samples from either straight domestic sewage or sewage-stillage mixtures had a COD-BOD relationship similar to that found for raw sewage. Equations are presented for estimating BOD values from the modified COD method employed in this work.






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Copyright © 1959 by the American Society for Enology and Viticulture.