Treatment Capacity of Wastewater Plants - Urban wastewater treatment plants - tertiary treatment of which nitrogen removal - Effluent BOD5 in Bulgaria

Treatment capacity of wastewater plants - urban wastewater treatment plants - tertiary treatment of which nitrogen removal - effluent bod5 reached 6.70 tonnes of O2/day in 2013 in Bulgaria, according to Eurostat. This is 11.8% less than in the previous year.

Historically, Treatment Capacity of Wastewater Plants - Urban wastewater treatment plants - tertiary treatment of which nitrogen removal - Effluent BOD5 in Bulgaria reached an all time high of 9.10 tonnes of O2/day in 2011 and an all time low of 6.70 tonnes of O2/day in 2013.