Laboratory measurement of the amount of oxygen used in chemical reactions that occur in water as a result of the addition of wastes. A major objective of conventional wastewater treatment is to reduce the chemical and biochemical oxygen demand.
SOURCE: Water Quality and Waste Management Glossary
Check Also
La nueva moda: así es el reciclaje de productos de cocina que irrumpen en el mundo de la moda
Esta nueva moda consiste en recolectar, higienizar y procesar elementos descartados en desuso para transformarlos en camisas, chalecos, vestidos y ...
Web-Resol Tudo sobre Limpeza Urbana e Resíduos Sólidos!