C - Chemistry – Metallurgy – 06 – B
Patent
C - Chemistry, Metallurgy
06
B
C06B 31/30 (2006.01) C06B 23/00 (2006.01) C06B 31/28 (2006.01) C06B 45/00 (2006.01)
Patent
CA 2120440
METHOD OF LOWERING THE DENSITY OF AMMONIUM NITRATE-BASED MINING EXPLOSIVES ABSTRACT OF THE DISCLOSURE The density of ammonium nitrate-based mining explo- sives, such as ANFO, heavy ANFO and emulsion explosives, is lowered by adding an expanded grain, such as expanded popcorn, expanded rice, or expanded wheat, to the explo- sive. As much as 10% of the explosive composition may be an expanded grain. The present invention may be used with porous ammonium nitrate, dense agricultural grade ammonium nitrate, crystalline ammonium nitrate, and ground ammonium nitrate.
Mining Services International
Ridout & Maybee Llp
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