pyrite roasting

pyrite roasting

[′pī‚rīt ′rōst·iŋ]

(mining engineering)

Thermal processing of iron pyrite (FeS₂, iron disulfide) in the presence of air to produce iron oxide sinter (used in steel mills) and elemental sulfur.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.