Apparatus for use in the ammonia soda process or the ammonium ch

Details Apparatus for use in the ammonia soda process or the ammonium ch Apparatus for use in the ammonia soda process or the ammonium ch

1976-01-07

1977-11-29

Wolk, Morris O.

Chemistry: physical processes

Physical processes

Crystallization

75128N, 75128W, B01J 120

Patent

active

040603890

ABSTRACT:
An apparatus for use in the ammonia soda process or ammonium chloride soda process wherein those parts in contact with the ammoniacal brine, the mother liquor formed in the carbonation tower or the ammonium chloride mother liquor, are made of the austenitic steel consisting essentially of less than 0.05 wt. % of C; 0.1 - 2.0 wt. % of Si; 0.01 - 2.0 wt. % of Mn; 3.0 - 20.0 wt. % of Ni; 15.0 - 30.0 wt. % of Cr; 0.5 - 7.0 wt. % of Mo and the remainder iron.

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patent: 3929520 (1975-12-01), Hellner et al.
Hou, "Manufacture of Soda with Special Reference to the Ammonia Process", Reinhold Publishing Co., N.Y., 1942, pp. 403-409.
Metals Handbook, 8th Edition, vol. 1, "Properties and Selection of Metals," American Society for Metals.

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