Process for producing pressed fertilizer granulates
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United States of America Patent
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Apr 30, 2002
Grant Date -
N/A
app pub date -
Apr 27, 2000
filing date -
Apr 28, 1999
priority date (Note) -
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Abstract
A process is for the production of potash fertilizer granulates which have a stable shelf life also at high relative air humidities. This granulate contains an additive in the form of magnesium oxide and/or calcium oxide in a fine powder form, which is added by metering in prior to the compacting step. The result is a high final bursting strength even if the granulate is stored in a wet climate.
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