Removal of nitrogen from iron

Details Removal of nitrogen from iron Removal of nitrogen from iron

1988-05-02

1989-05-16

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

C21C 700

Patent

active

048306665

ABSTRACT:
A method of reducing the nitrogen content in iron and iron alloys comprises introducing hydrogen into the melt in the form of a gas or hydrogen compound in sufficient quantity and for a sufficient time to reduce the nitrogen content and subsequently treating the melt to reduce the hydrogen content. The hydrogen may be mixed with an inert gas to minimize the risk of explosion.

REFERENCES:
patent: 1481747 (1924-01-01), Saltrick
patent: 2874038 (1959-02-01), Ruhenbeck

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