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Gypsum waste such as gypsum blocks and plaster do not require the removal of paper, as they are not made with paper from the beginning. It is typical for the gypsum recyclers to accept up to 3 per cent of contamination from other materials. The professional recyclers are capable of handling gypsum waste with nails and screws, wall coverings etc.
Some of the reasons for recycling this waste are: Gypsum is one of the few construction materials for which closed loop recycling is possible. [3] Closed loop gypsum recycling saves virgin gypsum resources. According to the European Directive 2008/98/EC on Waste, [4] recycling should be preferred to recovery and landfill disposal.
Drywall is made primarily of gypsum. Once the gypsum is depapered, it can be added in cement production, as a soil amendment, used in aerated composting, or recycled into new drywall. Gypsum recycling can be particularly beneficial because in landfill conditions gypsum will release hydrogen sulfide , a toxic gas.
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When it comes to reducing waste and recycling, it is hoped that young people can teach adults a thing or two. Pupils in 12 schools across Northern Ireland are being encouraged to become Zero Waste ...
Recycling can be carried out on various raw materials. Recycling is an important part of creating more sustainable economies, reducing the cost and environmental impact of raw materials. Not all materials are easily recycled, and processing recyclable into the correct waste stream requires considerable energy.
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