2020-11-25, 12:04

Starlinger: BTB PET Recycling further increases capacities

f.l.t.r.: Christian Lovranich, Starlinger & Co. GmbH, with Richard Wüllner and Andrzej Zajontz, Managing Directors BTB PET-Recycling GmbH & Co. KG - (Photo: Starlinger).
During the Corona Lockdown in spring 2020 German PET recycler BTB PET-Recycling GmbH & Co. KG installed a new preheating unit and another SSP reactor supplied by Starlinger recycling technology.

As the machine-builder further communicates, the PET bottle-to-bottle recycling company based in Bad Salzuflen, North Rhine-Westphalia, is now operating 9 SSP (Solid State Polycondensation) reactors from Starlinger recycling technology. BTB has been using the food-grade technology developed by the Austrian specialist for plastics recycling since 2007.

Each year, BTB processes approximately 20,000 tons of PET input material from the German bottle return system on a Starlinger recoSTAR PET 165 iV+ recycling line installed prior to the SSP reactors. Andrzej Zajontz, one of BTB’s General Managers and in charge of all technical matters, explains why this is not as easy as it used to be: “Unfortunately, the beverage containers collected through the German container deposit system are not as well separated as before – in the reverse vending machines both clear and coloured bottles are collected together, and that is how they are delivered. In addition, the input material contains other plastics as well as aluminium and tinplates. This creates a lot of extra work for us in pre-sorting as we use only clear PET bottles for our bottle-to-bottle process. Due to this, our most recent investments went – besides into said Starlinger machines – into improved sorting technology. We separate the input material at the beginning of the treatment process and then sort the PET flakes again before extrusion to achieve best pellet quality.”


BTB caters to regular customers who use the recycled PET for producing beverage bottles which are filled, sold and after usage collected in the region. From this input material BTB then again produces PET regranulate.

Andrzej Zajontz about the cooperation with Starlinger: “Their service is always top-notch – quick and uncomplicated, and one clearly sees that they have years of experience. This was also the main reason why back in 2007 we decided to invest in Starlinger lines.” BTB also regularly uses the possibility to preview technical innovations in the Starlinger showroom. “Only when you see the process, see the machine in operation you can decide if the investment makes sense for your company”, says Zajontz.

BTB is also a reference customer for Starlinger recycling technology. By request through Starlinger the doors in Bad Salzuflen are open to companies interested in the bottle-to-bottle recycling process.

More information:

Starlinger & Co. GmbH, Vienna, Austria

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