F - Mech Eng,Light,Heat,Weapons – 17 – C
Patent
F - Mech Eng,Light,Heat,Weapons
17
C
162/20, 99/27, 1
F17C 7/02 (2006.01) A01C 23/02 (2006.01) A01F 25/00 (2006.01) A23K 1/22 (2006.01) C05C 3/00 (2006.01) F17C 7/04 (2006.01)
Patent
CA 1084833
ABSTRACT OF THE DISCLOSURE Cold ammonia, preferably cold liquid anhydrous ammonia at substantially ambient or atmospheric is applied (1) to soil as a fertilizer and (2) to feed grains, forages and anaeroblically fermentable plant material to supply thereto and provide therein non-protein nitrogen (NPN). The cold ammonia is obtained by (1) introducing a stream of ambient temperature, pressureized liquid ammonia at a velocity of at least about 5000 feet per minute into an expansion chamber, (2) inparing a high velocity spinning motion to the liquid ammonia entering the chamber such that rapid flow is produced around the interior of the chamber to thereby provide rapid separation of the liquid and gaseous ammonia formed in the chamber. Cold ammonia, which is predominantly in the liquid form, is recovered from the expansion chamber operated under substantially adiabatic conditions, at a temperature of about -28° F.
268256
Borden Ladner Gervais Llp
Uss Engineers And Consultants Inc.
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