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Flue Gas Desulphurization

Dry flue gas desulphurisation lime spray drying fgd systems lsd is a dry scrubbing process that is generally used for low-sulfur coal.Flue gas with high sulphur content from boiler is tapped off from the last heat trap after the economiser air preheaters by mixing the gas stream concurrently with lime slurry droplets for chemical treatment.