New RDF plant opened in Karlsruhe

Following a construction period of approximately four months Alba Nordbaden GmbH, a subsidiary of the Alba Group, put the new production line for refuse-derived fuel (RDF) from mixed construction and commercial waste into service on 11th April 2017. At the company site in Karlsruhe CEO Robert Kassel welcomed numerous representatives from the political scene and the business community at the Werk II factory.

1 Count on us

As a certified waste management company with 230 employees Alba Nordbaden has been offering a broad service portfolio in the areas of waste management, recycling and power supply for over 30 years.

For the first time the new RTF plant in Karlsruhe makes primary shredding possible and will produce up to 33000 metric tons of refuse-derived fuel for power and cement plants in a year. The energy produced – with an ideally low energy input of less than 15 kilowatt hour per ton RDF – corresponds as referenced to the annual power consumption of 41 000 two-person households. The plant automatically separates and discharges recyclable plastic, ferrous and non-ferrous metals as well as components containing chlorine using an overbelt magnet and near-infrared technology. The detection rate for ferrous and non-ferrous metals stands at 90 %.

2 Commissioned due to

the best performance

According to Rudolf Schwager from Lindner, who supported the development of the RDF plant, refuse-derived fuel < 80 mm is produced in the single-stage process. For this very purpose Lindner delivered and installed the Polaris 2800 shredder. The Polaris series was specifically developed for the single-stage production of RDF and was presented for the first time at the IFAT 2016 in Munich.

As specifically requested by Alba Nordbaden in their call for projects the shredder should be able to process 20 metric tons of input material per hour. At the Austrian producer’s service demonstration the Polaris 2800 exceeded the requirements by over 15 % (> 23 tons) and the contract was subsequently awarded. Within three days the system was integrated into the new RTF plant and Alba Nordbaden’s Operational Excellence Manager, Joachim Wunsch, who was very impressed with the live demonstration, can also confirm that the Polaris runs extremely steadily and reliably.

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