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US 2015/0344319 A1Published application
Method for Producing Calcium Carbonate Gel and Product Obtained Thereby
AssigneeS.A. Lhoist Recherche et Developpement
InventorsGeert Jan Witkamp, Sergio Andres Perez Escobar, Robert Sebastian Gaertner
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Abstract
A method for preparing a calcium carbonate gel, comprising a reaction between slaked lime in solid, dry from, and of alcohol so as to form an alcoholic suspension of calcium alcoholate, an injection of carbon dioxide into said suspension, and gelling of the suspension as a precipitated calcium carbonate alcogel, this alcogel then being able to be dried into an aerogel or xerogel of calcium carbonate.
Claims27
A method for preparing a calcium carbonate gel, comprising
- reacting a slaked lime in solid, dry form and alcohol so as to form an alcoholic suspension of calcium alcoholate,
- injection of carbon dioxide into said suspension, and
- gelling of the suspension as an alcogel of precipitated calcium carbonate.
Dependencies are inferred from the claim text.