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



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X-ray fluorescence (XRF) Sorting – Materials can be identified by the emission of characteristic fluorescent X-rays released when bombarded with high-energy X-rays or gamma rays;107

  • Laser Sorting – Laser technology used in the mineral industry is being adapted for sorting wood waste;108

  • Bioremediation – Metal-tolerant bacteria may be used to release metals from treated wood fibre. A two-stage process of oxalic acid extraction followed by bioremediation has also been found to be more effective than bioremediation alone;109

  • Recycling – This involves creating new wood composites with the requirement for rot- or pesticide-resistance; 110,111




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