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Coal fly ash as a potential fixation reagent for radioactive wastes
Israel produces ∼1.3 Mt/year of fly ash (FA), a byproduct of its coal-fired power plants. Due to increasing environmental regulations, these imported coals are processed to reduce the sulfur concentration (∼0.6%). These ...
Neutralization of an extremely acidic sludge and stabilization of heavy metals in flyash aggregates
An extremely acidic, heavy metal-rich sludge (pH = -1.2) was scrubbed with a Class-F fly ash in order to simultaneously neutralize the acidity and stabilize the heavy metals contained in both wastes. This paper outlines ...