Chemistry of inorganic compounds – Silicon or compound thereof – Oxygen containing
Patent
1992-06-29
1995-01-31
McFarlane, Anthony
Chemistry of inorganic compounds
Silicon or compound thereof
Oxygen containing
4233291, 423332, 502 64, C01B 3326, B01J 2906
Patent
active
053857143
ABSTRACT:
Synthetic crystalline aluminosilicate is prepared by an inorganic process from a reaction mixture, which contains, in an aqueous alkaline medium SiO.sub.2 and Al.sub.2 O.sub.3 or their hydrated derivatives or alkali silicates and aluminates, mineralizers and optionally seeding crystals, the reaction mixture containing: SiO.sub.2 /Al.sub.2 O.sub.3 in molar ratio of 15-40, OH.sup.- /SiO.sub.2 in molar ratio 0.1-0.2, and H.sub.2 O/SiO.sub.2 in molar ratio 20-60. The aluminosilicate produced by the process has a chemical composition expressed in molar ratios as: 0-3 M.sub.2 O:Al.sub.2 O.sub.3 :15-40 SiO.sub.2 :0-40 H.sub.2 O, where M represents an alkali cation. The aluminosilicate is useful in the preparation of catalysts and adsorbents.
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Schmidt Hubertus
Thome Roland
Tissler Arno
Unger Klaus
Winkhaus Gunter
McFarlane Anthony
Vereinigte Aluminium-Werke Aktiengesellschaft
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