Department of the Environment, Water, Heritage and the Arts Waste Technology and Innovation Study



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Carpets

  1. Current technologies


Carpets have long been subject to recycling technologies of various kinds including shredding, melting and depolymerisation to produce caprolactum, which can be used as a feedstock to produce new material and recycling waste vinyl backing for use as a new carpet backing product.96
        1. Emerging technologies


Emerging technologies include:

  • Vinyl Reprocessing - Recycle vinyl-backed carpet to produce a new carpet backing; 97 and

  • Fertiliser – A New Zealand study showed that ground wool carpet can be used as a fertiliser, producing elevated levels of essential elements such as nitrogen, sulphur and magnesium in grass grown using the wool carpet fertiliser.98



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