The 17 Most Misunderstood Facts About wastewater treatment process
https://www.evernote.com/shard/s552/sh/1beb9569-4f69-439d-ae55-f7f3300d3866/e0fef5366cafa3d21b21cd720c7e270d
Wastewater refers to all effluent (= sewage or liquid waste that is discharged into water bodies either from direct sources or from treatment plants) from household, commercial establishments and institutions,