| 摘要 |
<p>PURPOSE: A method for manufacturing sulfate and ferrous sulfate by using manganese dioxide, ferromanganese, scrap iron is provided, which is characterized in that sulfate and ferrous sulfate are obtained as coprecipitate. CONSTITUTION: The method includes the steps of reacting MnO2 100g, ferromanganese 100g, iron scrap 5g in 60 % sulfuric acid solution for 4 to 6 hrs; and filtering the sulfuric acid solution to obtain sulfate and ferrous sulfate.</p> |
