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.