Chapter Four

Weathering Process and Biological Dechlorination of Bottom Ash

Abstract

Copper leaching of bottom ash (BA) codisposed with refuse subject to short-term accelerated weathering, preparation of fresh simulated municipal solid waste (MSW) landfill leachate, evolution of mineralogical and chemical properties, changes of thermal analysis patterns are fully provided. Influences of weathering on Cu fractionation, Cu leaching in synthetic precipitation leaching procedure (SPLP) and toxicity characteristic leaching procedure (TCLP), Cu leaching in codisposal leaching procedure are presented. The higher contents of plastics and kitchen waste lead to the higher chlorine level (0.6–0.7 wt.%) of the BA. Biological dechlorination of incineration ...

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