Precipitation of jarosite compounds as a method for removing impurities from acidic wastes from chemical coal cleaning

Spent acid from the washing stage of chemical coal cleaning processes contains sodium, iron, and sulfate impurities. One option for treating the spent acid stream is to precipitate the impurities as double salts in the jarosite compound family. This technique was studied in relation to reaction time...

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Veröffentlicht in:Environmental science & technology 1991-03, Vol.25 (3), p.449-455
Hauptverfasser: Norton, Glenn A, Richardson, Richard G, Markuszewski, Richard, Levine, Audrey D
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Sprache:eng
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