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Chemical process development of Sorel cement from seawater bitterns using TRIZ methodology
 
Charles W. Lipp and Musad Ranna
 
The primary goal of the project was to develop a Portland cement replacement with a lower carbon dioxide footprint for use in building construction in Bangledesh. The MCC process concentrates and purifies the bitterns to produce a magnesium chloride solution that is dehydrochlorinated to produce magnesium oxide. The TRIZ toolbox proved invaluable in accelerating the development of a magnesium oxide process. Analysis of the proven spray reactor technology identified complications. After the initial chemical reactor concept was radically changed, it was demonstrated with pilot plant testing. Analysis shows this process has a significantly smaller carbon dioxide footprint than that of Portland cement. Functional analysis proved to be a critical tool along with others in TRIZ tools.
 

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