Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
METHODS FOR RE-USING INDUSTRIAL WASTE FOR CARBON SEQUESTRATION AND MAGNESIUMBASED CEMENTS
Magnesium-based cements (in particular, magnesium oxychloride (MOC) cement) are synthesized with a salt (magnesium chloride for MOC cement), water, and magnesium oxide. In this invention the salt is sourced from a waste brine. To the brine is added a base, for example a hydroxide or magnesium oxide. Carbon dioxide is then bubbled through the brine. Calcium carbonate precipitates out of solution. The brine is then left to cure and form cement. Optionally, calcium carbonate precipitate can be added back to (or left in) the brine prior to curing as a filler.
METHODS FOR RE-USING INDUSTRIAL WASTE FOR CARBON SEQUESTRATION AND MAGNESIUMBASED CEMENTS
Magnesium-based cements (in particular, magnesium oxychloride (MOC) cement) are synthesized with a salt (magnesium chloride for MOC cement), water, and magnesium oxide. In this invention the salt is sourced from a waste brine. To the brine is added a base, for example a hydroxide or magnesium oxide. Carbon dioxide is then bubbled through the brine. Calcium carbonate precipitates out of solution. The brine is then left to cure and form cement. Optionally, calcium carbonate precipitate can be added back to (or left in) the brine prior to curing as a filler.
METHODS FOR RE-USING INDUSTRIAL WASTE FOR CARBON SEQUESTRATION AND MAGNESIUMBASED CEMENTS
METHODES DE REUTILISATION DE DECHETS INDUSTRIELS POUR LA SEQUESTRATION DE CARBONE ET LES CIMENTS A BASE DE MAGNESIUM
BROWN DOUGLAS GEOFFREY (Autor:in)
01.05.2023
Patent
Elektronische Ressource
Englisch
IPC:
C04B
Kalk
,
LIME
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