Process for producing ferrous sulphate in granule form
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United States of America Patent
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Apr 21, 1987
Grant Date -
N/A
app pub date -
Mar 7, 1983
filing date -
Mar 11, 1982
priority date (Note) -
Expired
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Abstract
In a process for making ferrous sulphate in granule form, ferrous sulphate heptahydrate is mixed with fine-grain brown coal or lignite having a low water content, in such an amount that the resulting mixture is pourable.
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