Reductive Decomposition of Gypsum by Carbon Monoxide
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1960
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Chemical and Biological Engineering
Abstract
Tremendous domestic reserves of gypsum and anhydrite constitute a potential source of raw material f i x sulfur-based chemicals. As in Europe today, calcium sulfate may become one of our principal raw materials for sulfuric acid. Several European acid plants are based on a process in which sulfur dioxide is freed from anhydrite by heating the latter with coke and shale to a sintering temperature (4). The sulfur dioxide is converted into acid and the clinker is used for portland cement.
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Reprinted (adapted) with permission from Ind. Eng. Chem., 1960, 52 (3), pp 215–218. Copyright 1960 American Chemical Society.
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Fri Jan 01 00:00:00 UTC 1960