Wastewater from industry can lead to water pollution if untreated, especially due to its high concentration of heavy metals.
The discharge of untreated wastewater contaminates with heavy metals such as Cr(VI) and Cd2+ ...
Waste collection and disposal is a challenge for many sub cities in Dessie. Currently, all the waste generated in Dessie ends up at the final disposal sites without any recovery of the valuables in the waste. The overall ...