Chemistry: physical processes – Physical processes – Crystallization
Patent
1975-01-20
1976-08-31
Scovronek, Joseph
Chemistry: physical processes
Physical processes
Crystallization
23255E, 23262, 423392, B01J 802, B01J 804, C01B 2140
Patent
active
039778320
ABSTRACT:
In the operation of a nitric acid plant, the rate of flow of process air to the converter in which ammonia is oxidized is controlled by injection of steam at regulated rates into the heated tail gas from the nitric acid production, thereby utilizing regulated mass flow power augmentation in the gas used for powering the expansion turbines employed in driving the compressors operated to furnish required process air at superatmospheric pressure to the nitric acid plant.
REFERENCES:
patent: 2697652 (1954-12-01), Ribble et al.
patent: 2955917 (1960-10-01), Roberts et al.
patent: 3715887 (1973-02-01), Weatherly et al.
Air Products and Chemicals Inc.
Dannells, Jr. Richard A.
Moyerman H. Barry
Scovronek Joseph
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