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Germany's leading supplier of activated carbons
CarboTech is one of the leading supplier of powdered, granulated and extruded activated carbons in the world. Located in the Ruhr conurbation, our integrated production plants manufacture, refine and package tailor-made activated carbons, activated coke and carbon molecular sieves made from hard coal, coconut coke and charcoal.
Tradition and experience
CarboTech is a product of German mining research and the local coal industry. We see ourselves in the tradition of all those who draw knowledge from science and technology to apply it in ways that are economically viable for the benefit of people and their environment – every day, and in multiple geographies across the world.
CarboTech combines experience in production, application and process engineering. Strategically, we are geared to both conventional requirements and innovative services. Our customers appreciate the committed efforts of experts who are also well versed in the practical side of things.
Quality and economy
As the successor to CarboTech Aktivkohlen GmbH, CarboTech today presents itself as a modern, medium-sized company. With our unswerving focus on the customer, we’re constantly engaged in improving what we do. High demands of product quality and service quality are something we absolutely expect.
Using CarboTech’s specialist activated carbons opens the door to solutions that are reliable and economical – and remain so. Living up to these claims, especially when up against complex and demanding tasks, is what our experienced specialists do every day.

KAYSER was founded in 1709, when it was set up as a weaving mill specialising in the manufacture of woollen textiles used for tailoring cloth, mainly for the Prussian army.
The KAYSER Group is a world-wide supplier of high-performance filter media, used in low to high temperature ranges in different kind of applications, including membrane solutions.
Our fine-meshed network of KAYSER subsidiaries and partners ensures a local presence for our customers. In close co-operation with our customers, we optimise processes by means of precisely defined product properties in different applications.
KAYSER offers products and solutions for the following market segments:
Dry filtration:
For the separation of dust and flue gases in product filters and dedusting systems
Liquid filtration:
For the solid-liquid separation in a wide range of industrial processes
WATER TECHNOLOGY:
The internationally active A. KAYSER GmbH & Co. KG with a long tradition therefore offers you innovative and efficient solutions for water purification, treatment and recycling for municipalities and industry in an individual business division.
We have developed high quality methods of water filtration to guarantee pure bacteria-free water of best quality in water treatment. Our KAYSER Rotation Membrane Filter (KRM) and Rotary Fine Filter are ecologically oriented solutions with a very good price-performance ratio. By using KAYSER technology you can constantly achieve perfect results even if used in large systems.