Activation of a material containing alkaline-earth carbonate and alkaline-earth hydroxide for the dry scrubbing of flue gas

Activation of a material containing alkaline-earth carbonate and alkaline-earth hydroxide for the dry scrubbing of flue gas

The invention relates to a method for increasing the absorbency of a material containing alkaline-earth carbonate and alkaline-earth hydroxide with regard to sulfur oxides and/or other pollutants, in particular in flue gas, wherein the material containing alkaline-earth carbonate and alkaline-earth...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SINDRAM MARTIN, PICKBRENNER ARND, PUST CHRISTOPHER
Format: Patent
Sprache:eng
Schlagworte:
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
THEIR RELEVANT APPARATUS
TRANSPORTING
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Beschreibung
Zusammenfassung:The invention relates to a method for increasing the absorbency of a material containing alkaline-earth carbonate and alkaline-earth hydroxide with regard to sulfur oxides and/or other pollutants, in particular in flue gas, wherein the material containing alkaline-earth carbonate and alkaline-earth hydroxide is activated by heating said material to approximately 250° C. to approximately 750° C. for a time period of 1 minute to 12 hours.