Regeneration of Sulfated Dolomite and Limestone by Reductive Decomposition

Regeneration properties of sulfated dolomite and limestone samples were investi gated. Natural stones were first fully calcined at 1223 K in a gaseous atmosphere consisting of CO215 vol.% and dry air 85 vol.%; second, sulfation of the calcines was achieved by reacting them with a gaseous mixture con...

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