COAL COMBUSTION PROCESS

COAL COMBUSTION PROCESS

This relates to a process for burning coal wherein the emission of SOx or the emission of SOx and NOx are minimized. The process comprises (a) providing a coal containing at least twice as much organic calcium than sulfur; (b) burning the coal at a temperature greater than about 1200 DEG C under red...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: FREUND, HOWARD, LYON, RICHARD KENNETH
Format: Patent
Sprache:eng
Schlagworte:
AIR
BLASTING
COMBUSTION APPARATUS
COMBUSTION PROCESSES
HEATING
LIGHTING
MECHANICAL ENGINEERING
METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
METHODSOR APPARATUS FOR COMBUSTION USING FLUID FUELOR SOLID FUEL SUSPENDED IN
WEAPONS
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Beschreibung
Zusammenfassung:This relates to a process for burning coal wherein the emission of SOx or the emission of SOx and NOx are minimized. The process comprises (a) providing a coal containing at least twice as much organic calcium than sulfur; (b) burning the coal at a temperature greater than about 1200 DEG C under reducing conditions; (c) separating the solids effluents from the gaseous effluents; and (d) burning the gaseous effluents at a temperature from about 1000 DEG C to 1500 DEG C under oxidizing conditions.