Methods for preparing compositions comprising ammonium nitrate double salts
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United States of America Patent
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Jan 7, 2014
Grant Date -
Feb 25, 2010
app pub date -
Jul 8, 2009
filing date -
Jul 15, 2008
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Abstract
Methods for the production of ammonium sulfate nitrate include (a) providing at a temperature of less than about 175° C. a melt including ammonium nitrate, ammonium sulfate, and water and the water content is greater than about 2 wt % based on the total weight of ammonium nitrate, ammonium sulfate and water in the melt, and (b) solidifying from the melt 1:2 ANS double salt by cooling at least a portion of the melt at a rate of less than about 100° C./min.
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