Oxigénigényének

Oxigénigényének, also known as oxygen demand, is a measure of the amount of oxygen required by aquatic organisms to decompose organic matter in water. It is a critical parameter in assessing the water quality and the health of aquatic ecosystems. The process of oxygen demand involves the breakdown of organic compounds, such as dead plants and animals, by microorganisms. This decomposition consumes oxygen, leading to a decrease in the dissolved oxygen (DO) levels in the water.

The oxigénigényének is typically measured in milligrams of oxygen per liter of water (mg/L) and is often expressed as biochemical oxygen demand (BOD) or chemical oxygen demand (COD). BOD measures the amount of oxygen required by aerobic microorganisms to decompose organic matter under specific conditions, while COD measures the amount of oxygen required to oxidize all organic compounds in a water sample.

High oxigénigényének levels can indicate pollution or excessive organic matter in the water, which can lead to low DO levels and harm aquatic life. Conversely, low oxigénigényének levels suggest that the water is relatively clean and well-oxygenated. Monitoring oxigénigényének is essential for water quality management, as it helps in identifying sources of pollution and evaluating the effectiveness of wastewater treatment processes.