Activated Carbon in Water Treatment

Activated Carbon in Water Treatment

Activated carbon is a widely used material for water treatment. It can remove various contaminants from water, such as chlorine, organic compounds, pesticides, and heavy metals. Activated carbon works by adsorbing these substances onto its surface, which has a large surface area and many pores.

Activated carbon can be made from different sources, such as coal, wood, coconut shells, or peat. Depending on the source and the activation process, activated carbon can have different properties and applications.

For example, granular activated carbon (GAC) is commonly used in filters for drinking water and wastewater treatment, while powdered activated carbon (PAC) is often added to water to remove taste and odor problems.

Activated carbon can also be impregnated with chemicals to enhance its performance or target specific contaminants. Activated carbon is a versatile and effective material for water treatment, but it also has some limitations and challenges. For instance, activated carbon can become saturated with contaminants over time and lose its adsorption capacity. It also needs to be regenerated or disposed of properly to prevent environmental pollution.

Furthermore, activated carbon may not be able to remove some emerging contaminants, such as pharmaceuticals and personal care products, that are increasingly found in water sources. Therefore, activated carbon may need to be combined with other technologies or methods to achieve optimal water quality.

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