Is a granular activated carbon filter as effective as sand downstream of a clarifier?
asked 19 August 2016 asked by Elementaire (360 points)
Hello, In the filtration stage, in contrast to sand, granular activated carbon (GAC) is an absorbent. It is generally used for water purification.
The adsorptive capacity of activated makes it ideal for removing a variety of contaminants from water, air, liquids and gases. The EPA, and most state-based departments of health, consider adsorption by activated carbon to be the best available technology for the removal of many organic materials in surface water including: Disinfection byproducts (DBPs) associated with chlorine and alternative disinfectants Algal toxins Endocrine-disrupting compounds, pharmaceuticals and personal care products Taste and odor-causing compounds Organic materials and other naturally occurring matter