FIELD: methods of utilization of ammonia from purge and synthesis gases. SUBSTANCE: proposed method includes deep cooling of liquid ammonia in heat-exchange apparatus by flow of heat-transfer agent, partial condensation followed by separation of gases, extraction of condensed ammonia and removal of it as commercial product. Flows of liquid ammonia are formed by mixture of flows of liquid ammonia at temperature of minus 10 C to minus 12 C and production ammonia at temperature of minus 32 C to minus 34 C at ratio of (1.0 - 1.0:2). EFFECT: enhanced efficiency of utilization of ammonia. 2 dwg, 1 tbl, 5 ex
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Authors
Dates
2003-11-27—Published
2001-02-13—Filed