Tag: chemical oxygen demand

A/O process
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The main differences between domestic and industrial wastewater treatment

The main differences between domestic and industrial wastewater treatment lie in the treatment targets, process flows, and pollutant types: 1. Differences in Treatment Targets Domestic wastewater treatment targets residential wastewater (including feces, laundry wastewater, etc.), with the core goal being to remove common pollutants such as chemical oxygen demand (COD),

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What is COD?

COD, or chemical oxygen demand, is an important indicator for measuring the degree of pollution of reducing substances in water. High COD wastewater, or wastewater with high chemical oxygen demand, usually means that the wastewater contains a large amount of organic matter. As its content increases, the oxygen deficiency in