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US 12,036,561 B2Granted
Method of producing a gypsum slurry for forming gypsum products and method of manufacturing a gypsum product
AssigneeKnauf Gips KG
InventorsMartin Halbach, Tong Liu
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Abstract
A method of producing a gypsum slurry for forming gypsum products, in particular gypsum boards, preferably gypsum paper boards, the method including the steps of: a) providing a gypsum paper product comprising a gypsum and a paper component, in particular a gypsum paper board, and/or broken parts thereof; b) wet grinding the gypsum paper product and/or the broken parts thereof containing at least parts of the paper component to form a wet ground gypsum paper component.
Claims12
A method of producing a gypsum slurry for forming gypsum products, comprising the steps of:
- a) providing a gypsum paper product comprising a gypsum component and a paper component and/or broken parts thereof;
- b) wet grinding the gypsum paper product and/or the broken parts thereof containing at least parts of the paper component to form a wet ground gypsum slurry;
- and
- c) mixing the wet ground gypsum slurry with stucco,
- wherein the wet ground gypsum slurry has a solid content between 2 wt % and 20 wt %, and
- wherein a solid content of the gypsum slurry with respect to the stucco is between 0.5 wt % and 5 wt %.
3 more elements
Dependencies are inferred from the claim text.