process for manufacturing ironfree magnesium sulphate from
Answer (1 of 4) Magnesium sulphate can be prepared by neutralizing magnesium carbonate or the oxide with sulphuric acid. MgCO3 H2SO4 MgSO4 CO2 H2O MgO H2SO4 MgSO4 H2O On evaporation of the solution, white crystals of MgSO4.7H2O (epsom) will be obtained. Process for manufacturing ironfree magnesium sulphate from certain minerals Download PDF Info ... Authority US United States Prior art keywords magnesium sulphate water iron magnesium sulphate Prior art date 1942-04-04 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and ...