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  2. Gypsum recycling - Wikipedia

    en.wikipedia.org/wiki/Gypsum_recycling

    The recycling of this waste stream is usually part of the waste avoidance activity of the gypsum plants. The waste is referred to as gypsum manufacturing or production waste and the recycled gypsum obtained from the recycling of this is known as “production waste derived recycled gypsum”. [2] Gypsum waste from new construction.

  3. Gypsum Recycling International - Wikipedia

    en.wikipedia.org/wiki/Gypsum_Recycling_International

    The gypsum recycling system from GRI is a complete system with all the necessary elements for taking the waste from the place of generation to the processing facility, where the waste is transformed into a reusable raw material that is delivered to the plasterboard plant nearby at a cost lower than virgin gypsum. The system encompasses: a ...

  4. Recycling by product - Wikipedia

    en.wikipedia.org/wiki/Recycling_by_product

    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.

  5. Materials recovery facility - Wikipedia

    en.wikipedia.org/wiki/Materials_recovery_facility

    A materials recovery facility for the recycling of domestic waste Clean materials recovery facility recycling video. A materials recovery facility, materials reclamation facility, materials recycling facility or multi re-use facility (MRF, pronounced "murf") is a specialized waste sorting and recycling system [1] that receives, separates and prepares recyclable materials for marketing to end ...

  6. Leachate - Wikipedia

    en.wikipedia.org/wiki/Leachate

    In sites with large volumes of building waste, especially those containing gypsum plaster, the reaction of leachate with the gypsum can generate large volumes of hydrogen sulfide, which may be released in the leachate and may also form a large component of the landfill gas. The physical appearance of leachate when it emerges from a typical ...

  7. Solid waste policy of the United States - Wikipedia

    en.wikipedia.org/wiki/Solid_waste_policy_of_the...

    Solid Waste Tree, Based on Resource Conservation and Recovery Act, United States Environmental Protection Agency. Solid waste means any garbage or refuse, sludge from a wastewater treatment plant, water supply treatment plant, or an air pollution control facility and other discarded material, including solid, liquid, semi-solid, or contained gaseous material resulting from industrial ...

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