© Paul Langrock/Zenit/laif
Disused wind turbine rotor blades contain a number of materials that can still be used. So far, the techniques have been lacking, but now there are promising approaches.
The 80 meter long rotor blade lies like a stranded whale on the concrete pavement of the Bremerhaven industrial park, just behind the dyke. A man in protective gear drives along the wing on a mobile work platform in slow motion. With the lance of a water jet cutter, he aims at the dirty gray skin of the rotor blade until it breaks open. Water splashes, it hisses and roars.
"The rotor blade has to be really filleted, and you have to carefully cut between the materials to separate them as cleanly as possible," says some
