PROCESS FOR THE PRODUCTION OF FERROUS SULPHATE MONOHYDRATE
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Issued Date -
Feb 28, 2013
app pub date -
Feb 11, 2011
filing date -
May 17, 2010
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Abstract
The invention provides a process for the production of ferrous sulphate monohydrate which comprises: (a) reacting a source of iron with an aqueous solution of sulphuric acid in at least a first reaction vessel, to obtain a process liquor comprising ferrous sulphate and acid solution; and then (b) combining the process liquor with concentrated sulphuric acid in a mixing vessel, causing the solution to self crystallize, thus forming a slurry comprising crystalline ferrous sulfate monohydrate. The slurry can, if desired, then be converted to ferric sulphate.
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