Ecological comparison between hydrated lime and sodium bicarbonate when used for dry flue gas purification
Lime plays an important role in environmental protection. Not only due to its properties but also due to its natural occurrence, it is suitable and accepted for universal application in the environment sector. Lime and its refined products can be used in various processes to remove the acid gases, the gaseous metal compounds and organic trace constituents from the flue gas of waste incineration plants. The choice of the suitable process depends on the raw gas load, the separation efficiency to be achieved and the way of recovery of the reaction product obtained as a result of flue gas...
Andreas Wecker
Federal German Association of the Lime Industry, Cologne/Germany
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