Our Products

Bituminous & Sub-Bituminous Coal, Wood & Coconut Shell

Products are available in the following mesh sizes (custom particle distributions are also available upon request)

Thanks to our extensive partners network, other specialty materials are available upon request

Please free to contact us ANYTIME for more information, details and or to get recommendations for the specific carbon required for your application at 719-475-9919

Activated Carbon Classifications

Granular Activated Carbon (GAC)

Granular activated carbon has a relatively larger particle size compared to powdered activated carbon and consequently, presents a smaller surface. Diffusion of the adsorbate is thus an important factor. These carbons are therefore preferred for all adsorption of gases and vapors as their rate of diffusion are faster. Granulated carbons are used for water treatment, deodorization and separation of components of flow system. GAC can be either in the granular form or extruded. GAC is designated by sizes such as 8×20, 20×40, or 8×30 for liquid phase applications and 4×6, 4×8 or 4×10 for vapor phase applications. A 20×40 carbon is made of particles that will pass through a U.S. Standard Mesh Size No. 20 sieve (0.84 mm) (generally specified as 85% passing) but be retained on a U.S. Standard Mesh Size No. 40 sieve (0.42 mm) (generally specified as 95% retained). AWWA (1992) B604 uses the 50-mesh sieve (0.297 mm) as the minimum GAC size. The most popular aqueous phase carbons are the 12×40 and 8×30 sizes because they have a good balance of size, surface area, and head loss characteristics.

Powdered Activated Carbon (PAC)

A micrograph of activated charcoal under bright field illumination on a light microscope. Notice the fractal-like shape of the particles hinting at their enormous surface area. Each particle in this image, despite being only around 0.1 mm wide, has a surface area of several square meters. This image of activated charcoal in water is at a scale Traditionally, active carbons are made in particular form as powders or fine granules less than 1.0 mm in size with an average diameter between .15 and .25 mm. Thus they present a large surface to volume ratio with a small diffusion distance. PAC is made up of crushed or ground carbon particles, 95 100% of which will pass through a designated mesh sieve or sieve. Granular activated carbon is defined as the activated carbon being retained on a 50-mesh sieve (0.297 mm) and PAC material as finer material, while ASTM classifies particle sizes corresponding to an 80-mesh sieve (0.177 mm) and smaller as PAC. PAC is not commonly used in a dedicated vessel, owing to the high head loss that would occur. PAC is generally added directly to other process units, such as raw water intakes, rapid mix basins, clarifiers, and gravity filters.

Extruded Activated Carbon (EAC)

Extruded activated carbons (pressed pellets) are mainly made by mixing pulverized anthracite or charcoal with a suitable binder which are extruded at high pressure into a cylindrical shaped form.

Acid washed carbon

Acid washed carbon is an activated carbon with low acid soluble iron content. Acid washed is specifically designed for use
with low pH liquids or when a low metal/ash leachable activated carbon is desired. The product is acid washed
during the manufacturing process resulting in a product with very low acid soluble iron content.

Water washed carbon

Water washed activated carbon is an activated carbon specifically designed to remove carbon dust from the activated carbon.

Impregnated Carbon

Porous carbons containing several types of inorganic impregnant such as iodine, silver, cations such as Al, Mn, Zn, Fe, Li, Ca have also been prepared for specific application in air pollution control especially in museums and galleries. Due to antimicrobial/antiseptic properties, silver loaded activated carbon is used as an adsorbent for purification of domestic water. Drinking water can be obtained from natural water by treating the natural water with a mixture of activated carbon and Al (OH)3, a flocculating agent. Impregnated carbons are also used for the adsorption of H2S and thiols. Adsorption rates for H2S as high as 50% by weight have been reported.

Food grade carbon

Food grade activated charcoal is an amazingly useful substance, able to both be ingested and used topically on your skin or teeth. In other words, it serves both the inner and outer body. Many emergency vehicles and emergency rooms even use it as an antidote for poison victims and pharmaceutical overdoses.

Catalytic carbon

Catalytic carbon is a class of activated carbon used to remove chloramines and hydrogen sulfide from drinking water. It has all the adsorptive characteristics of conventional activated carbons, as well as the ability to promote chemical reactions.

Gold Recovery carbon

In the gold industry, a major use of activated carbon in mining is in gold recovery, where granular activated carbon (GAC) is used for adsorption of the gold and to separate gold from cyanide in leaching solutions. In a gold-cyanide carbon-in-pulp (CIP) and carbon-in-leach (CIL) systems, or in carbon-in-column (CIC) systems after a heap leach operation. We offer a wide and dedicated product range including extruded and high-quality broken grades for gold recovery applications. These activated carbons combine superior hardness with adsorption/desorption kinetics and capacity, resulting in fewer fines and associated gold losses.

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Phone and Email

Phone: +1 (719) 475 9919
Email: spencerpugh@earthlink.net