Waste Water and Sewage Treatment Process

WASTE WATER TREATMENT PROCESS An overview of how waste water is cleaned and treated before returning to the water supply. 36% of the World's population does not have adequate sanitation (Methods vary between countries depending on water standards) Source - World Health Organisation 1 CI CI LIFTING STATIOΝ 6. 1 4. 5 6 Waste water and sewage is The separation process filters out solids larger than The water is finally chemically Secondary Clarifiers gravity feed the water through and Primary settling basins allow Effluent is then pumped to the pumped underground to the lifting station where it is chemically treated and sent for separation heavier material to sink and bio-reactors for 9 hours. treated with chlorine to be scraped away. The waste transported to a refuse facility is then fermented for 30 days 13mm. This waste is then Through a series of stages bacteria continues to clean ensure it is free from bacteria. the water to a drinkable level Then it passes over a weir and into the water supply bacteria break down harmful and buried and used as fertiliser matter and clean the water GRAHAM SCUTT WWW.GRAHAMSCUTT.CO.UK O 2012 2 WASTE WATER TREATMENT PROCESS An overview of how waste water is cleaned and treated before returning to the water supply. 36% of the World's population does not have adequate sanitation (Methods vary between countries depending on water standards) Source - World Health Organisation 1 CI CI LIFTING STATIOΝ 6. 1 4. 5 6 Waste water and sewage is The separation process filters out solids larger than The water is finally chemically Secondary Clarifiers gravity feed the water through and Primary settling basins allow Effluent is then pumped to the pumped underground to the lifting station where it is chemically treated and sent for separation heavier material to sink and bio-reactors for 9 hours. treated with chlorine to be scraped away. The waste transported to a refuse facility is then fermented for 30 days 13mm. This waste is then Through a series of stages bacteria continues to clean ensure it is free from bacteria. the water to a drinkable level Then it passes over a weir and into the water supply bacteria break down harmful and buried and used as fertiliser matter and clean the water GRAHAM SCUTT WWW.GRAHAMSCUTT.CO.UK O 2012 2