For the production of rubber granules and powders TerniEnergia uses an innovative technology that provides a first phase of volumetric reduction of the out-of-use tire and subsequently a mechanical grinding phase at room temperature. The generated material is subsequently sifted and cleaned to obtain a perfect separation of the steel, the textile fiber, the powder and the rubber granule of the different granulometries. The cleaned granulate is packed in big-bag, the loose steel is collected in roll-off trucks for transport in steel mill and the textile fiber collected for off-site energy valorization.
The following separation result is obtained from the tire processing step:
GRANULATED AND POWDER RUBBER
0,2 – 0,8 mm 20%
0,8 – 2,5 mm 20%
2,5 – 4 mm 20%
Depending on the composition of the input material, the percentages may vary.
The main uses for the powder and rubber granules deriving from PFU are:
Urban furniture, floors and artefacts
Civil Engineering Works
Reuse in mix
The TerniEnergia powder and granulate complies with UNI CEN / TS 14243: 2010
The main uses of ELT’s rubber powder and granules are the following:
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