| 摘要 |
A process for recovery of iron from an iron mud containing a mixture of gypsum and ferric hydroxide, which comprises contacting said gypsum and ferric hydroxide mixture with sulfuric acid of a concentration between 93 and 98% for a period of 1 to 12 hours, removing the undissolved material and recovering the iron as a 25 to 50% ferric sulfate solution. |
