Examples of 'silica to alumina' in a sentence
Meaning of "silica to alumina"
Silica to alumina refers to the ratio or proportion of silica to alumina in a substance, particularly in chemistry or geology
How to use "silica to alumina" in a sentence
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silica to alumina
The silica to alumina ratio referred to may be determined by conventional analysis.
Preferred zeolite adsorbent materials have a high silica to alumina ratio.
The silica to alumina ( chemical ) molar ratio is substantially unchanged from the stabilized precursor zeolite.
Many different types of zeolite, with varying ratios of silica to alumina are known.
Generally, silica to alumina ratios well in excess of 10 may be employed.
A method according to any preceding claim wherein the silica to alumina ratio is at least 10.
Generally, silica to alumina ratios well in excess of the minimum of 10 may be employed.
Preferred zeolites of the SCR catalyst composition have a silica to alumina ratio of at least 10.
The highest silica to alumina ratio exemplified for SSZ-39 in the Zones et al.
The catalyst of claim 7 wherein the mole ratio of silica to alumina is at least 10.
A framework silica to alumina ratio of about 6:1 is preferred.
In an even more specific embodiment, the mole ratio of silica to alumina is about 30.
Generally the silica to alumina ratio will be at least 2:1.
Kaolinite is a stacked clay mineral which has a molar ratio of silica to alumina of 2:1.
This ratio is not equivalent to " bulk " silica to alumina ratios sometimes provided in references.
See also
The silica to alumina molar ratio ( SiO2/Al2O3 ) is conveniently determined by chemical analysis.
Zeolite-L is typically synthesized with a silica to alumina ratio of 5-7 from a gel containing potassium ions.
The zeolite of claim 3 wherein the silica to alumina molar ratio is at least 15:1.
Preferably, the molecular sieve has a silica to alumina molar ratio less than 100.
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