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RAW MATERIALS AND APPLICATIONS Application of recovered Carbon Black (rCB) from End-of-Life (EoL) tire Pyrolysis in Butyl Rubber Compounds

Von Sebastian Bogdahn, Schwalbe, Reichshof, Edwin Koch, Maria Deininger, Prof. Dr. Danka Katrakova-Krüger, TH Köln, Gummersbach, Dr. Andreas Kapf, Niels Ellermann, Pyrum Innovations, Dillingen/Saar, Germany 1 min Lesedauer

In the present study „Application of recovered Carbon Black (rCB) from End-ofLife Tire pyrolysis in butyl rubber compounds“, the research on the use of rCB in new butyl compounds is presented. In general, pyrolysis of scrap tires is considered a future-oriented additional technology regarding the lack of recycling capacities.

Figure 1: Weight-based distribution of EoL tire volume in Germany, mean value from 2017 and 2018, according to [6] based on data from [7].(Bild:)
Figure 1: Weight-based distribution of EoL tire volume in Germany, mean value from 2017 and 2018, according to [6] based on data from [7].
(Bild:)

Worldwide, more than 1 billion used tires reach the end of their lives every year. [1, 2] In Europe, the amount of End-of-Life (EOL) tires in 2019 was around 3.5 million tons [3, 4], with Germany alone accounting for around 600,000 tons [5]. About 55 % of the mentioned EOL volume in Europe was materially recycled, 40 % was recovered for energy and the remaining 5 % was stored or statistically not registered. [3] The German recovery mix in 2019 saw about 44 % of the EOL tires generated being materially recycled, 31 % being co-incinerated in cement plants, 19 % being exported for reuse, retreading or energy recovery, and a total of about 6 % being retreaded and reused domestically.