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.

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References in periodicals archive ?

Projects underway at the moment include a precious metals plant for Poland and two pyrite roasting plants for China.

Trelleborg Boliden: global expansion continues

Pyrite roasting 6.2 12 Sub-total 16.2 32 Total SAF Production 51.3 100 * Totals may not add due to rounding.

Sulphur: suppliers welcome rebound in demand

Estimated 1993 Production Elemental M mt Percent(*) Recovered from natural gas 17.0 32 Recovered from oil refining/other 12.2 23 Mined sulphur 6.1 11 Sub-total 35.3 65 Non-elemental Smelters/other 10.1 19 Pyrite roasting 8.5 16 Sub-total 18.6 35 Total SAF Production 53.9 100 * Totals may not add due to rounding.