Method of inhibiting rusting of sponge iron

Details Method of inhibiting rusting of sponge iron Method of inhibiting rusting of sponge iron

1975-09-19

1978-01-17

Stallard, W.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

75 5R, 427216, C23F 902

Patent

active

040690156

ABSTRACT:
A method for inhibiting rusting of sponge iron or any form of directly reduced iron when contacted by air, water, or other oxidant, by treating the sponge iron with a water soluble alkali metal silicate solution. The resulting product, a sodium silicate treated, rust-resistant metallized iron pellet, is also disclosed.

REFERENCES:
patent: 2462900 (1949-03-01), Riott
patent: 3597260 (1971-08-01), Segura
patent: 3632390 (1972-01-01), Bradshaw et al.
patent: 3690930 (1972-09-01), Mueller et al.

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