Different pH of water entering in an Aeration Tank is mixed as CO2 is utilized as a catalyst. The amount of CO2 as catalyst is unknown.
The most economical way to remove free carbon dioxide in water is by utilizing a process called “Decarbonation” or sometimes referred to as “Degasification”. Utilizing the decarbonation process will remove CO2 levels to 99% or higher.
Dear Dr Muhammad MUZZAMMIL Siddiqi . See the following useful RG link: Article pH regulation of alkaline wastewater with carbon dioxide: A ...
Kindly see also the following link: https://www.airgas.com/solutions/process-water-ph-control
Also check please the following useful RG link: https://www.evoqua.com/en/evoqua/products--services/services/air--water-remediation/chemical--ph-adjustment/
The following link is very good: https://www.sciencedirect.com/topics/engineering/alkaline-wastewater
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