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Our portfolio for the carbon fiber industry

The carbon fiber industry works with industrially produced fibers from carbonaceous feedstock. This converted by chemical reactions that have been specially adapted to the raw material.

In the aluminum industry Bauxite - which is transformed into alumina - and anodes are the two key components requires to smelt aluminum in the pot rooms.

The anodes are produced in the paste plant, where pitch and tar are mixed with coke to form the green anode. The emissions from this process contain VOC but also lots of condensates. Special heat-resistant Dürr LTB Ecopure® RTO technology is used here, enabling the condensates to be removed in a bake-out process at temperatures around 500°C.

The green anodes are then baked at 1200°C in an open-top baking furnace and the VOC exhausted via the oven flue gases.  Typical pollutants include VOC, benzene, condensates, HF and SOx. Flue Gas Treatment (FGT) systems for the carbon industry typically comprise a pre-filter for the condensates, an RTO to handle the condensates and a dry or wet scrubber to remove the sour gases. Similar systems are used for the control of pollutant emissions from the production of carbon electrodes and cathodes.

Thermal Processes

Contact Sales Dürr LTB
Luft- und Thermotechnik Bayreuth GmbH
Markgrafenstr. 4
95497 Goldkronach