Minimization of Metals Leaching from CCA-Treated Wood Ash through High Temperature Reaction with Mineral Sorbents
Keywords:
Arsenic, Chromium, Cement, Kaolin, Ferric Oxide, Leaching Retention.Abstract
Chromated copper arsenate (CCA) treated wood is the popular treated wood found in the wood waste disposal sector. Incineration has been a key disposal pathway for CCA-treated wood waste; however, the potential for emissions of toxic metals from combustion, and their accumulation and subsequent leaching from ash has raised public concerns. Earlier studies by our group focused on evaluating combinations of CCA chemical with sorbents for their ability to minimize leaching of ash.
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