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GtoG: let's change the way gypsum based waste are treated

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01/2013 to 12/2015


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The main objective of the GTOG project is to change the way gypsum based waste are treated. Despite the fact that a closed loop is possible, the reality is different. The GtoG project aims at transforming the European gypsum demolition waste market to achieve higher recycling rates of gypsum waste, thereby helping to achieve a resource efficient economy. Close loop recycling for gypsum products will only happen if:

  • Dismantling practices are applied systematically (as a standard) instead of demolishing buildings;
  • Sorting of waste is preferably done at source, avoiding mixed waste and contamination;
  • Recycled gypsum will meet stringent specifications in order to be re-incoporated in the manufacturing process;

The Project aims to turn waste into a resource for close loop recycling in accordance to the criteria set in Article 6 of the Waste Framework Directive. The GTOG innovative concept therefore includes an integration of the supply chain to achieve higher recycling rates of gypsum waste.

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The end results include a report on best practice indicators, the assessment of the carbon footprint of gypsum: landfilling versus landfilling route and the roadmap for implementing a gypsum sustainable value chain, with an outline plan to achieve a more widespread implementation of gypsum C&D waste recycling. The full set of the GtoG reports and deliverables are available on the GtoG website.