I want to know the advantages of Poly Aluminium Chloride (PAC) over Alum for treatment of drinking water. I will be glad to know the cost benefit ratio and any potential threat in using the PAC.
Sibasis panda, sibasispanda@yahoo.co.in
I want to know the advantages of Poly Aluminium Chloride (PAC) over Alum for treatment of drinking water. I will be glad to know the cost benefit ratio and any potential threat in using the PAC.
Sibasis panda, sibasispanda@yahoo.co.in