A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
REGENERATED ANHYDROUS GYPSUM POWDER, METHOD OF PRODUCING REGENERATED ANHYDROUS GYPSUM POWDER, CEMENT PRODUCT, AND METHOD OF PRODUCING CEMENT PRODUCT
To provide a regenerated anhydrous gypsum powder that can act as a pulverizing aid in the production of a cement product.SOLUTION: A regenerated anhydrous gypsum powder is derived from waste gypsum board, and has a BET specific surface area of 3.0 to 9.0 m2/g, a particle size of 45 μm or more, and a particle content of 10 to 70 mass%.SELECTED DRAWING: None
【課題】セメント製品の製造において粉砕助剤としての作用を発現し得る再生無水石膏粉末を提供すること。【解決手段】本開示の一側面は、ＢＥＴ比表面積が３．０〜９．０ｍ２／ｇであり、粒子径が４５μｍ以上である粒子の含有量が１０〜７０質量％である、廃石膏ボード由来の再生無水石膏粉末を提供する。【選択図】なし
REGENERATED ANHYDROUS GYPSUM POWDER, METHOD OF PRODUCING REGENERATED ANHYDROUS GYPSUM POWDER, CEMENT PRODUCT, AND METHOD OF PRODUCING CEMENT PRODUCT
To provide a regenerated anhydrous gypsum powder that can act as a pulverizing aid in the production of a cement product.SOLUTION: A regenerated anhydrous gypsum powder is derived from waste gypsum board, and has a BET specific surface area of 3.0 to 9.0 m2/g, a particle size of 45 μm or more, and a particle content of 10 to 70 mass%.SELECTED DRAWING: None
【課題】セメント製品の製造において粉砕助剤としての作用を発現し得る再生無水石膏粉末を提供すること。【解決手段】本開示の一側面は、ＢＥＴ比表面積が３．０〜９．０ｍ２／ｇであり、粒子径が４５μｍ以上である粒子の含有量が１０〜７０質量％である、廃石膏ボード由来の再生無水石膏粉末を提供する。【選択図】なし
REGENERATED ANHYDROUS GYPSUM POWDER, METHOD OF PRODUCING REGENERATED ANHYDROUS GYPSUM POWDER, CEMENT PRODUCT, AND METHOD OF PRODUCING CEMENT PRODUCT
再生無水石膏粉末、再生無水石膏粉末の製造方法、セメント製品、及びセメント製品の製造方法
HIRATA YOHEI (author) / TAKAOKA RYO (author) / NAKAGAWA HISANORI (author)
2021-02-15
Patent
Electronic Resource
Japanese
IPC:
C01F
COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
,
Verbindungen der Metalle Beryllium, Magnesium, Aluminium, Calcium, Strontium, Barium, Radium, Thorium oder der Seltenen Erden
/
B09B
DISPOSAL OF SOLID WASTE
,
Beseitigung von festem Abfall
/
C04B
Kalk
,
LIME
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