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Ferric hydroxide adsorbent was prepared by a chemical treatment process with H2O2, NaOH, and aeration from a Fe2(SO4)3 aqueous solution as a side product discharged from the hydrometallurgical process used to extract neodymium. The ferric hydroxide was used as an adsorbent to prevent eutrophication in water. At the time of synthesis, the most important process variable is the pH condition, which,...
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