Moulded in extruded form as cylindrical pellets, extruded activated carbon mostly consists of 1.5 mm to 4- or 5-millimeter sized pellets. The highly adsorptive as well as low-dust extruded activated carbons can be used in a very wide range of applications. With their high mechanical hardness, advantageous adsorption properties and good reactivability depending on the adsorbed substance, they are often used in air and gas purification and water treatment.

In addition, it is used for desulfurization of biogas, but also for adsorptive gas purification as well as gas drying. In addition to water applications (e.g., aquarists, wastewater treatment), extruded activated carbon is also used in soil remediation and for the recovery of solvents. Finally, it is used in processes in which a low-pressure drop is required during flow.

Granular activated carbon consists of irregularly shaped particles, depending on the screening in sizes between 0.2 and up to a few millimeters. The fine- to medium-grained granulated carbons are activated from the base material directly or after an agglomeration step. Activated carbon granules are mainly used for water treatment. A high density as well as level of activity has a positive effect on their operating or service life.

The higher the density, the longer the service life. Granulated activated carbon can be produced directly via the intermediate steps of carbonization (coking) and activation. However, it can also be produced from a pulverized raw material as a re-agglomerate. Granulated activated carbon in very small particle sizes are used especially in large-scale processes.

Powdered activated carbons, also known as PAC is a form of product containing small particles of activated carbon with a particle size between 50 (in other grinding processes also 0.1) and up to 200 µm. They are produced by crushing and very fine grinding of activated carbon. Grain sizes in the range of a few micrometers are common. Thanks to their porous structure, powdered activated carbons achieve very high specific surface areas.

In addition to drinking water treatment, exhaust air treatment and in the food industry, this product can be especially used for flue gas cleaning. It can be used particularly well to remove micropollutants such as pharmaceuticals, hormones, biocides and much more by attaching them to the powdered activated carbon.

CarboTech can supply a variety of activated carbon solutions for your specific purposes. Our unique activation process makes our activated carbon the best in the world, and a wealth of expertise make our service truly unique.

Find out more about our winning solutions and contact us today – we look forward to hearing from you!

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