Siempelkamp Size Reduction Solutions GmbH & Co KG

Zweibrücken, Germany (16 October 2013) – A new grinding system from Pallmann enables energy-efficient recycling of vulcanized rubber waste back into fine powder for direct reuse in rubber processing. A key feature of the Karakal is its ability to devulcanize the rubber as it pulverizes it, so that it can be used in place of virgin material. Karakal is a type of twin-roll mill that has been designed specifically for recycling waste from production of technical parts, as well as waste arising from retreading truck tyres. It accepts material that has been pre-cut to a particle size of 4 mm or less, and which is fed to it continuously by a series of screws positioned along the gap between the rollers. Pallmann has applied for several patents on technology incorporated into the equipment. “There is quite a lot of waste produced in the rubber processing sector, and we wanted to develop a cost-effective process that would enable it to be recycled back into production,”…