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The selective recovery of lead from the zinc oxide dust using an alkaline Na 2 EDTA solution was investigated. The effects of temperature, leaching time, Na 2 EDTA concentration and initial NaOH concentration on the leaching rates of lead and zinc were studied. The following optimized leaching conditions were obtained: liquid-to-solid ratio 5:1 mL/g, stirring speed 650 r/min, Na ...
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