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Granular activated carbon (GAC) is a highly porous form of carbon with a large internal surface area greater than 500 m2/g, which makes it effective for removing dissolved organic materials and other contaminants from water through the process of adsorption. Water treatment with granular activated carbon is accomplished by percolating the water to be treated through dual-media/multimedia filters whereby the …
What is Polyacrylamide? Polyacrylamide, often abbreviated as PAM, is a synthetic polymer that is widely used in the treatment of potable water, wastewater, and reclaimed water. It is formed from the monomer acrylamide and can be synthesized to have different properties depending on the desired application. Polyacrylamide commonly appears as a white or off-white powder or granular substance. It is …
Ferrous sulfate, also known as iron(II) sulfate, is a compound with the formula FeSO₄(H₂O)ₓ where x can vary between 0 and 7. It’s worth noting that the heptahydrate form (FeSO₄·7H₂O) is the most common and commercially available form of ferrous sulfate. It is used in water treatment primarily as a reducing agent, helping to remove impurities such as manganese, hydrogen …
Application and Function Ferric sulfate, also known as iron(III) sulfate, is a chemical compound with the formula Fe2(SO4)3. It’s a powerful coagulant commonly used in water treatment processes. It plays a significant role in these applications: Coagulation and Flocculation: Ferric sulfate is primarily used in the coagulation and flocculation process during water treatment. When added to water, it reacts with …
Function of Alum in Water Treatment Aluminum sulfate, also known as alum, is a chemical compound with the formula Al2(SO4)3. It’s extensively used in water treatment processes, particularly in waterworks, for various purposes such as: Coagulation: Aluminum sulfate is primarily used as a coagulant in water treatment. When added to water, it undergoes hydrolysis, forming aluminum hydroxide precipitate. This precipitate …