Efektivitas Biofilter Dalam Menurunkan Kadar Bod5 Dan Cod Pada Limbah Cair Ru…

The butchery liquid waste is rich in BOD5 and COD and it need to be processed before being flown to the environment. To understand the effectiveness of combined anaerob-aerob biofilters in reducing the BOD5 and COD in the butchery liquid waste , a study was conducted in February - March 2018. The anaerob tanks were completed with pieces of brick, gravel and sand media (60 cm height), while that…