Use of leaching tests to quantify trace element release from waste to energy bottom ash amended pavements
作者： Justin G. Roessler , Timothy G. Townsend , Christopher C. Ferraro
DOI: 10.1016/J.JHAZMAT.2015.08.028
关键词:
摘要: A series of roadway tests strips were paved on-site at a landfill in Florida, U.S. Waste to energy (WTE) bottom ash was used as partial course aggregate replacement hot mix asphalt (HMA) and Portland cement concrete (PCC) pavement, along with control HMA PCC sections. This allowed for comparison the relative degree leaching between both materials (HMA PCC) well ash-amended pavements. Batch monolithic tank conducted on Testing samples demonstrated that Mo Al elevated above regulatory thresholds amended samples. Further leach testing release likely from not result inclusion BA into pavement. revealed Sb constituent potential concern. The results monolith test displayed within same order magnitude threshold. Calculation leachability index (LI) found it would have limited mobility when incorporated matrix.
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