C - Chemistry – Metallurgy – 01 – F
Patent
C - Chemistry, Metallurgy
01
F
C01F 7/74 (2006.01) C01B 33/26 (2006.01) C01F 7/00 (2006.01) C02F 1/52 (2006.01) D21H 17/66 (2006.01)
Patent
CA 2140371
The invention relates to basic polynucleate aluminum hydroxy silicate sulfate compounds and their use and to a process and an apparatus for their preparation. The process involves first mixing an alkali metal silicate and an alkali metal aluminate solution and optionally a third component under continuous stirring to form an alkaline intermediate mixture and slowly adding the resulting alkaline intermediate mixture to an acidic aluminum sulfate solution under high shear mixing conditions.
L'invention concerne des composés de sulfate de silicate d'aluminium hydroxy polynucléés basiques, leur utilisation, un procédé et un appareil pour leur préparation. Le procédé comprend un premier mélange d'un silicate métallique alcalin et d'une solution d'aluminate métallique alcaline ainsi qu'optionnellement un troisième composant, sous agitation continuelle de manière à former un mélange intermédiaire alcalin. Le procédé comprend ensuite l'addition lente du mélange intermédiaire alcalin résultant, à une solution de sulfate d'aluminium acide dans des conditions de malaxage importantes.
Christie Robert Michael
Haase Dieter
Jolicoeur Carmel
Pothier Denis
Inc. Du Canada Eaglebrook Inc. Of Canada/eaglebrook
Kirby Eades Gale Baker
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