Chemistry of inorganic compounds – Silicon or compound thereof – Oxygen containing
Patent
1974-05-14
1976-12-07
Meros, Edward J.
Chemistry of inorganic compounds
Silicon or compound thereof
Oxygen containing
252455Z, 423329, C01B 3328
Patent
active
039963373
ABSTRACT:
Alkali metal beryllo-alumino-silicates of the mordenite type form, under hydrothermal conditions (100.degree.-300.degree. C in a Carius tube), from aqueous mixtures containing the structural components SiO.sub.2, Al.sub.2 O.sub.3 and BeO and alkali metal hydroxides. In beryllium-containing mordenites, ratios of SiO.sub.2 to Al.sub.2 O.sub.3 of from 10:1 to 120:1 may be achieved, whereas values of only up to 10:1 are known in the pure alumino-silicates of this type. The alkali metal beryllo-alumino-silicates are accessible to ion exchange in the same way as the beryllium-free representatives. The so-called NH.sub.4 - and H-forms obtaineable by ion exchange may be used for the synthesis of highly active sorption compositions or catalysts after calcination.
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Ueda et al., Molecular Sieve Zeolites-I, Advances in Chemistry Series, Am. Chem. Soc., 1971, pp. 135-139.
Marosi Laszlo
Schwarzmann Matthias
Stabenow Joachim
BASF - Aktiengesellschaft
Meros Edward J.
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