| 摘要 |
Ammonium Nitrato Density Modification High density ammonium nitrate particle e.g. prilis are treated to reduce the density thereof by contact with a liquid medium which penetrates into the particles via pre- existing pathways, dissolves ammonium nitrate at the surfaces of the pathways and produces a gassing reaction by virtue of the presence or a chemical gassing agent or by a reaction with the ammonium nitrate whereby a portion of the ammonium nitrate particle is depleted by dissolution or gas losses during reaction, the gassing action facilitating venting of liquid from the particles and drying thereof to yield a particle of higher porosity.
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