Water Conditioning & Purification Magazine

Biochemical oxygen demand (BOD)

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The amount of oxygen (measured in mg/L) required for the decomposition of organic matter by single-cell organisms under test conditions. The greater the BOD, the greater the degree of pollution. In wastewater treatment, the amount of oxygen (in mg) required by aerobic bacteria to decompose the biodegradable organic material in 1 liter of an effluent

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