Organic compounds in municipal waste water


Cleaning agents and disinfectants from housekeeping, hospitals and canteen kitchens are important sources of adsorbable halogenated organic compounds (AOX) in municipal waste water. They often contain inorganic compounds which are able to release activated chlorine.

Together with organic waste water compounds the activated chlorine can generate halogenated organic compounds. The AOX concentration of a municipal waste water increased by the factor of 13 after adding an hypochlorite containing disinfectant in common concentration.

Most AOX can be formed within 30 minutes. In sewage with high amount of solid compounds the AOX generation can take a long time.

The amount of AOX generated strongly depends on the nature and concentration of dissolved and solid organic compounds, the concentration of active substances, temperature, pH and the reaction time.

Anabell Rose
Journal of Bioremediation & Biodegradation
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