C - Chemistry – Metallurgy – 01 – F
Patent
C - Chemistry, Metallurgy
01
F
261/66, 23/88
C01F 11/46 (2006.01) C01F 7/76 (2006.01) C04B 7/32 (2006.01) C04B 28/06 (2006.01)
Patent
CA 1070478
ABSTRACT OF THE DISCLOSURE A process of producing calcium aluminate trisulfate hydrate and the dehydration product thereof by reacting 3CaO.A?2O3.CaSO4.12H2O, 3CaO.3A?2O3.CaSO4, 3CaO.A?2O3.6H2O, or a mixture of a CaO component and an A?2O3 component with a CaSO4 component in the presence of water at temperatures below 120°C. By the process of this invention, the aimed product having a high purity is obtained at a high yield without need of high-temperature reaction. The product of this invention is useful as building materials.
239933
Azuma Tomisaburo
Ichimaru Kazuto
Murakami Takeru
Tateno Kouichi
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