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On 21 June 2018, che ceremonial opening of the sorting plant took place in the presence of Mayor Siegfried Nagl. It included a blessing from the parish priest, Christian Leibnitz. This expansion will make the Graz plant the largest plastic sorting plant in Austria. Saubermacher sorts the material on behalf of AltstofT Recycling Austria (ARA). Most of the packaging waste comes from households and businesses. As ever, substances such as glass, paper or residual waste end up in the yellow bin or bag. In Styria, the missortcd material accounts for around 23 %. In this plant, the REDWAVE sorting machines, which rely on sensor-hascd sorting using near infrared and colour detection technology, separate the plastic packaging by grade. This is essential for its use in the manufacture of new products. "Banning plastic does not help. We must continue to improve recycling and accelerate the use of recycled materials in production processes," says Flans Roth, Chairman of the Supervisory Hoard at Saubermacher.
Shortly before Christmas 2017, Saubermacher Dlenstleistungs AG placed an order with REDWAVE for the planning and construction of the expansion and renewal of the plastic packaging sorting plant in Graz Puntigam. Around 2 million € were invested in the plant expansion; over the last few years, a total of over 10 million € has been invested In Graz by Saubermacher.
Plant details
Changes in the contents of the yellow bag made the investment in the sorting system necessary. A new bag ripper to open the "yellow bags" works in conjunction witli a new film separator to ensure significantly improved separation of the film fraction from the 3D fraction. In addition, one of the existing REDWAVE sensor-based sorting machines lias been technologically upgraded. This sorter has been installed at the end of the sorting line to separate the tetra from the aluminium fraction. An additional REDWAVE near infrared sorting machine of the latest generation can now be found in the vacated space, separating PET from other plastics. The sorting results arc further improved thanks to a so called "bottle llattcncr" that is situated near to the 2D / 3D separators. This is an in-house development from REDWAVE - a divi-sion of B`l-Wolfgang Binder GmbH in Cleisdorf. Currently there are no comparable devices on the market that would be able to achieve the capacity required by the customer. The flattened and partially emptied PP.T bottles processed by the bottle tlattcncr ensure even better sorting results and the associated higher sorting quality.