Method for recovering platinum in a nitric acid plant

Details Method for recovering platinum in a nitric acid plant Method for recovering platinum in a nitric acid plant

1982-08-02

1983-11-01

Rutledge, L. Dewayne

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

428567, 428593, 423403, 245 2, C22B 1100, B22F 300

Patent

active

044128592

ABSTRACT:
Improved recovery of platinum lost from the catalyst gauze in a nitric acid plant is obtained by using palladium containing recovery gauzes configured to enhance the mass transfer characteristics of the system.

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H. Holzmann (1); "Platinum Metals Review", vol. 13, [No. 1]:pp. 2-8, Jan. 1969; Platinum Recovery in Ammonia Oxidation Plants; A New Process Using Gold-Palladium Catchment Gauzes; Pub. by Johnson-Matthey & Co. Ltd.
H. Holzmann (2); Chemie-Ingenieur-Technic, vol. 40, [No. 24], pp. 1229-1237, (1968).
A. E. Heywood, "The Recovery of Platinum from Ammonia Oxidation Catalysts," Johnson Matthey Metals Limited, pp. 28-32.
Platinum Metals Review, vol. 13, Jan. 1969, No. 1, Ed. Johnson Matthey & Co., London.
Roberts D. et al., "Estimation of Platinum Catalyst Requirement for Ammonia Oxidation", Reprinted from Advances in Chemistry Series, No. 133, Chem. Reaction Eng. II, .COPYRGT.1974 by ACS.

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