Indurating furnace

Indurating furnace means a furnace where unfired taconite pellets, called green balls, are hardened at high temperatures to produce fired pellets for use in a blast furnace. Types of indurating furnaces include straight gate and grate kiln furnaces.

Source

40 CFR § 98.6

Scoping language

All terms used in this part shall have the same meaning given in the Clean Air Act and in this section.