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  • Title: Investigation on the components removed in loss on ignition test of sandy crushed construction and demolition waste.
    Author: Asakura H, Yamada M, Inoue Y, Watanabe Y, Ono Y.
    Journal: Waste Manag Res; 2010 Jan; 28(1):11-9. PubMed ID: 19710117.
    Abstract:
    Processed sandy residue generated from mixed construction and demolition waste (mixed C&D-W) was investigated for possible deposition in landfill. The basic properties and the components removed in the loss on ignition (LOI) test were examined. The target material for decreasing LOI was elucidated and the validity of LOI used as landfill standard for inert industrial solid waste was discussed. LOI of most of the samples was above 5% and therefore, in principle, processed sandy residue should not be deposited in inert-type landfill. As LOI of sandy residue was mainly due to bound water, the LOI could not be decreased to below 5% even if wood, which is the major organic matter in the sandy residue, was removed. However, decreasing the amount of wood could lead to a subsequent decrease in the amount of dissolved organic matter. Therefore, the LOI of processed mixed C&D-W used as landfill standard for inert industrial solid waste should be re-evaluated.
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