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Replacement of copper sulfate with iron powder
Chemical equation for substitution of copper sulfate with reduced iron powder
CuSO4 + Fe=FeSO4 + Cu
To the requirement of reduced iron powder, its main indicators is total iron content, reaction of iron powder used for elemental iron content is higher, the unit of the higher the displacement of copper For replacement of iron powder has the different standard for each manufacturer Iron content is more than 93% overall standard requirement, granularity is 60 ~ 150 mesh, for other impurity elements, due to not participate in chemical reactions in the replacement, no clear requirements But they have also used the lower levels of iron powder, industry type iron powder chemical composition as follows: the TFe 95%;The second chemical composition is: TFE 92%;Three types of chemical composition: TFE 90%;The four chemical components are: TFE 88%
The reduced iron powder used to replace copper sulfate, the higher the total iron content, the less the relative impurities, the less the acid insoluble matter, for the removal of impurities in the sequence after replacement is relatively simple some high content of iron powder relative price is slightly higher, but combined with the difficulty of the late process cost, there will be a better cost performance.
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