Flocc ulant PAFSC was prepared by aluminium alloy waste slag as raw material.Through the single factor experiment,the optimum conditions to leaching aluminium waste slag in hydrochloric acid were as follows:reaction time was 20 min,reaction temperature was 80 ℃,hydrochloric acid concentration was 6 mol/L,and amount-of-substance ratio n(HCl)∶n(Al)=3∶1.The leaching rate of aluminium was more than 95% under these conditions.By leaching aluminium waste slag to get the aluminium chloride solution to produce the ...
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