china Mesoporous Y Zeolite Catalyst
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How much do you know about modified zeolite catalysts? Today, let's follow the editor of china Mesoporous Y Zeolite Catalyst for a brief understanding!
A modified zeolite catalyst derived from a structured zeolite consisting of a one-dimensional microporous channel structure formed by rings containing 8 to 12 silicon/aluminum atoms. It is essentially composed of a plurality of micropores with additional mesopores The crystal formation, measured by nitrogen absorption at 77°K and calculated using the BJH method, gives the volume of the mesopores in the range of 0.09 to 0.25 mlg. This can be achieved, for example, by using sodium hydroxide with a pH greater than 8 at 25°C Treatment of aqueous solutions at elevated temperatures for extended periods of time introduces mesopores into the crystallites. The catalysts show improved resistance to catalyst deactivation when used for the oligomerization of light olefins such as propylene and butenes properties and higher selectivity to higher hydrocarbons.
The above is the editor of China Mesoporous Y Zeolite Catalyst:A brief introduction to the relevant knowledge of modified zeolite catalysts.
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