| 摘要 |
<p>The invention provides a process for producing a product comprising ferrous sulphate, the process comprising: (i) combining ferrous sulphate monohydrate, hemihydrate gypsum and ferrous sulphate heptahydrate to provide a reaction mixture; and (ii) mixing the reaction mixture to obtain a free flowing product comprising ferrous sulphate. The thus-obtained product may be used as a chromium (VI) reducing agent; as an additive for cement; in the production of ceramics; or (c) as a source of iron in a fertiliser.</p> |
