deoxidize

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deoxidize

[dē′äk·sə‚dīz]
(chemistry)
To remove oxygen by any of several processes.
To reduce from the state of an oxide.
(metallurgy)
To remove an oxide film from a metal surface.
References in periodicals archive ?
holding of heats in the furnace after final deoxidizers have been added;
The usual method to reduce the oxygen content is the addition of a final deoxidizer that has a greater affinity for oxygen than carbon, and that forms a solid or liquid oxide product.
In the steel casting industry, aluminum is universally used as a final deoxidizer.
The foundry focused on eliminating the problems caused by higher aluminum additions so that a higher concentrated final deoxidizer could be used.
Other special deoxidizers such as calcium (Ca) silicon (Si), Ca manganese Si, Ca silicide, and ferrotitanium may be added with the Al.
The Al addition must not float upward during the tap Out or lose its power as a deoxidizer by becoming "trapped" in the slag.