13/November

Comprehensive Guide to Granular Activated Carbon (GAC)

Comprehensive Guide to Granular Activated Carbon (GAC)

Granular Activated Carbon or GAC is one of the best options to clean water, especially in industrial settings. It is known for its exceptional adsorption capabilities and can capture as well as remove a myriad of impurities from water.

When it comes to finding the best activated carbon for water, granular activated carbon is a top choice. Whether you need it for domestic water purifying needs or for large-scale industrial water cleaning, it can do it all.

To get the best results, it is important to choose the right filter media. Find out what granular activated carbon is and how it works.

Understanding The Adsorption Mechanism of GAC

It is important to understand how Granular Activated Carbon (GAC) actually works. This will help you maximize the results. It employs a highly efficient adsorption process to eliminate contaminants from water.

This is how it works:

  • Porous Structure
  • Van der Waals Forces
  • Chemisorption
  • Selective Adsorption
  • Continuous Renewal

The vast network of pores in GAC offers a wide surface area for molecules to interact with each other. The contamination molecules attach to the granular carbon surface due to the Van der Waals Forces.

These are some of the ways GAC can effectively absorb contaminants present in water.

Types of Contaminants Removed by GAC

So, what kind of contaminants can GAC remove? A wide range of impurities based on molecular size, weight, and affinity. This is one of the reasons why it is such a popular product.

It can adsorb and remove impurities like:

  • Organic Compounds
  • Chemicals
  • Odors

Pollutants such as pesticides, herbicides, and volatile organic compounds (VOCs) are dangerous for humans and industrial processes.

Likewise, it can also capture various chemical substances, such as chlorine, chloramines, and industrial byproducts.

Odors are equally bad and can cause problems like unpleasant tastes. GAC's adsorption capabilities an enhance the overall quality of water.

GAC vs. PAC (Powdered Activated Carbon)

Activated carbon for water comes in many forms and it includes the powdered form. Both are used in water treatment processes. But granular activated carbon has an advantage over Powdered Activated Carbon.

Advantages of GAC:

  • GAC has longer contact time due to its granular form which allows more thorough adsorption.
  • Due to its lower pressure drop, the energy requirement is low for water flow. This also helps with cost reduction.
  • They are a much better option for large-scale water treatment, such as industrial and municipal water treatment due to its easy handling and regeneration.

Granular activated carbon for water is an excellent option for both domestic and commercial/industrial purposes. And it clearly has advantages over other types of activated carbon for water treatment needs.

Granular Activated Carbon Water Treatment Plants

GAC is widely used in large-scale water treatment facilities, such as municipal water supplies. Not just that, they are also widely used in industrial water treatment process where it's used for both process water and wastewater, addressing specific contaminants.

Here is what granular activated carbon can do:

  • In the process of water treatment, GAC can remove impurities such as organic chemicals, dyes, and odorous compounds.
  • It plays an important role in wastewater treatment by adsorbing pollutants like heavy metals, solvents, and organic compounds. In addition to that, it also helps meet the discharge standards and environmental regulations.
  • It can also help get rid of specific industrial contaminants, such as oils, grease, and chemicals.

Granular activated carbon offers a versatile and efficient solution for diverse industrial water treatment challenges.

The Bottom Line

Granular activated carbon for water is a highly efficient and cost-effective option for industrial water treatment needs. It is powerful enough to capture and eliminate a wide range of contaminants. Also, it can handle the demand of industrial treatment needs. High-quality activated carbon can provide better and faster results.

Keiken Engineering offers water treatment and filtration solutions for commercial and industrial settings. We offer filter media like GAC of the highest quality, and they can be used for sea and brackish water desalination and other water treatment needs. Our team can help you select the best product for your water filtration and treatment needs. We specialize in providing fast and cost-effective solutions, customized to your specific needs.

Check out the features of our activated carbon product here.