Use of CO2 as Water Demand Reducer in Gypsum Stucco Rehydration Mortars

The present application concerns a method for the production of a gypsum article, which includes introducing a measured quantity of carbon dioxide into the process water and mixing the stucco with the thus treated water. The CO2-enriched water has the advantage of providing compositions with suffici...

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Bibliographic Details
Main Authors Halbach, Martin, Lo Moro, Giacomo
Format Patent
LanguageEnglish
Published 20.01.2022
Subjects
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
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Summary:The present application concerns a method for the production of a gypsum article, which includes introducing a measured quantity of carbon dioxide into the process water and mixing the stucco with the thus treated water. The CO2-enriched water has the advantage of providing compositions with sufficient processing properties at considerably lower water contents, thus allowing for significant energy savings. The invention also concerns slurries prepared according to this method as well as an apparatus which is adapted to implement this method.
Bibliography:Application Number: US201817295516