Oxygen Demand, Biochemical

Authored by: Pradyot Patnaik

Handbook of Environmental Analysis

Print publication date:  August  2017
Online publication date:  August  2017

Print ISBN: 9781498745611
eBook ISBN: 9781315151946
Adobe ISBN:


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Biochemical oxygen demand (BOD) is an empirical test that measures the amount of oxygen required for the microbial oxidation of organic compounds in aqueous samples. Such a test measures the amount of oxygen utilized during a specific incubation period (generally, 5 days) for the biochemical oxidation of organic materials and oxidizable inorganic ions, such as Fe2+ and sulfide. The incubation is performed in the dark at 20°C ± 1°C. The results of the BOD analyses are used to calculate waste loadings and to design wastewater treatment plants.

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