A) What happens during the disinfection step at a wastewater treatment plant? (4 marks) (i) scum and sludge are separated from the liquid wastewater (ii) treatm
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byukusengechantal521
Question
A) What happens during the disinfection step at a wastewater treatment plant? (4 marks)
(i) scum and sludge are separated from the liquid wastewater
(ii) treatment with chlorine or ultraviolet light to kill pathogens
(iii) liquid wastewater is mixed with air to help bacteria breakdown small particles of solid
material
(iv) large solid things are screened out
(i) scum and sludge are separated from the liquid wastewater
(ii) treatment with chlorine or ultraviolet light to kill pathogens
(iii) liquid wastewater is mixed with air to help bacteria breakdown small particles of solid
material
(iv) large solid things are screened out
1 Réponse
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1. Réponse nathea
Bonjour
What happens during the disinfection step at a wastewater treatment plant?
(i) scum and sludge are separated from the liquid wastewater
(ii) treatment with chlorine or ultraviolet light to kill pathogens > CORRECT
(iii) liquid wastewater is mixed with air to help bacteria breakdown small particles of solid
material
(iv) large solid things are screened out
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hope it's ok-
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good evening☺☺☺