Primary oxygen blow

Primary oxygen blow means the period in the steel production cycle of a basic oxygen process furnace during which oxygen is blown through the molten iron bath by means of a lance inserted from the top of the vessel (top-blown) or through tuyeres in the bottom and/or sides of the vessel (bottom-blown).

Source

40 CFR § 63.7852

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Scoping language

Terms used in this subpart are defined in the Clean Air Act, in 63.2, and in this section as follows.

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