Activated Carbon

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Activated Carbon by Calgon Carbon

What is activated carbon?

Activated carbon is a porous material that removes organic compounds from liquids and gases by a process known as “adsorption.” In adsorption, organic molecules contained in a liquid or gas are attracted and bound to the surface of the pores of the activated carbon as the liquid or gas is passed through.

During adsorption, liquids or gases pass through a bed or layer of highly porous material called the adsorbent. The compound or compounds to be removed, termed the adsorbate(s), diffuse to the surface of the adsorbent and are retained because of weak attractive forces. Adsorption occurs on the internal surfaces of the materials.

The primary raw material used in the production of our activated carbons is bituminous coal that is crushed, sized and processed in low temperature bakers followed by high-temperature furnaces. This heating process is known as activation, and develops the pore structure of the carbon. Through adjustments in the activation process, pores of the required size for a particular purification application are developed.

Calgon Carbon is an acknowledged leader – nearly 75 years in production - in the activated carbon industry, including reactivation with complementary expertise in ultraviolet disinfection and oxidation, ion exchange technology, ballast water treatment, and liquid- and vapor-phase systems.

 

* Applications and Product:

1) Granular Activated Carbon (GAC)

Today, more than 70 years after its founding, remains on the cutting edge of innovation, offering an exceptional range of granulated activated carbon applications and reactivated carbon formulations engineered specifically for the purification of water, air, liquids and gases. Calgon Carbon is proud to provide products that help make pure water and clean air for a better world.

Granular activated carbon is defined as the activated carbon being retained on a 50-mesh sieve. Calgon Carbon produces GACs with a variety of materials, methods and degrees of activation to produce activated carbons designed to meet and exceed the demands of a wide array of applications.

From water treatment to gas phase applications, and from the purification of other aqueous and organic liquids to the treatment of cane sugar liquors and much more — Calgon Carbon offers a wide array of custom-engineered granular activated carbons for a broad range of manufacturing process and environmental applications.

 

2) Powdered Activated Carbon

Calgon Carbon brings more than 70 years of experience in producing powdered activated carbons (PAC) specifically engineered to meet the demands of individual industrial applications. Today, Calgon Carbon is still leading the way, offering an exceptional range of powdered activated carbons that help make pure water and clean air for a better world.

From residential and municipal water treatment to pharmaceutical product purification, and from food and beverage decolorization to energy storage, and much more — Calgon Carbon delivers a wide array of custom-engineered powdered activated carbons to better meet your needs.

 

3) PELLETIZED ACTIVATED CARBON

Pellets are activated carbon compressed into formed cylinders, and have a wide variety of uses removing contaminants such as volatile organic compounds (VOC’s) and mercury from natural gas as well as controlling odor.

 

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