Getting familiarized with basic water treatment technologies_Session4

After  Primary stages  in  Water Treatment  we enetr the secondary stage  

Secondary stage involves treatment with activated carbon.Normaly treatment is done when water is passed through an activated carbon bed in a vertical pressurised vessel.

What is  acivated carbon? 

There are  granular activated carbon (GAC) and powdered activated carbon (PAC) .

Activated carbon is carbon that has been exposed to very high temperature, creating a vast network of pores with a very large internal surface area; one gram of activated carbon has a surface area equivalent to that of a football field.

Why Activated Carbon is   considered  crucial  in water treatment?

 Activated Carbon removes contaminants through adsorption, a process in which dissolved contaminants adhere to the surface of the carbon particle. Activate Carbon removes  organic contaminants such as volatile organic chemicals( VOCs), solvents, toxic compounds like poly chlorinated biphenyls(PCBs), herbicides and pesticides.

 Down below is a Diagonal View of an Activated Carbon Filter

 

After a period of a few months or years, depending on the concentration of the contaminants, the surface of the pores in the GAC can no longer adsorb contaminants and the carbon must be replaced

And we , at Trueline Water Technonolgies, install and maintain 

state of the art  Activated Carbon Filter.

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Our Next session is  about,IRFs , Iron Removal Filters.