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Disposal of a growing amount of fly ash creates environmental problems due to the leachability of their heavy metal content. However, fly ash is shown to be efficient in the removal of heavy metallic ions in the aqueous phase, for example, in the polluted wastewater resulting from desulfurization...
Approximately 125 tons per acre of dry pressurized fluidized bed combustion (PFBC) byproducts were applied during reclamation to a 7-acre abandoned coal mine in eastern Ohio, USA. The purpose of the application was to raise the pH of the soil and allow for re-establishment of vegetation. To trace...
In order to evaluate the environmental impact resulting from co-combustion of oily sludges, a detailed characterisation of the ashes produced was carried out. The main bulk composition and the trace elements were determined, thus allowing a comparison of the ashes produced from coal to those from...
This study deals with curing of mortars in which coal ashes from both PC and FBC boilers were the sole binder components. The work focuses on the hydration products and the hydration results are correlated with the physical properties of the cured beams from 10 formulations of mortar made of sand...