Beta zeolite and method for manufacturing the same
AssigneeTosoh Corporation
InventorsYoshitaka YAMASAKI, Ning CHEN, Hidekazu AOYAMA, Toyohiro USUI, Keita NAKAO
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Abstract
[Object] To provide at least one of a beta zeolite having excellent catalytic activity and hydrothermal durability or a method for manufacturing it. [Solution]A beta zeolite having a total alkali metal content of 0.5% by mass or less, an SDA content of 4.0% by mass or less, a silica-to-alumina molar ratio of 20 or greater and 35 or less and a ratio of the height intensity of a peak having its peak top at 3735±10 cm−1 to the height intensity of a peak having its peak top at 1860±10 cm−1 in an IR spectrum of 1.90 or less.
Claims5
A beta zeolite having a total alkali metal content of 0.5% by mass or less, an organic structure-directing agent content of 4.0% by mass or less, a silica-to-alumina molar ratio of 20 or greater and 35 or less and a ratio of height intensity of a peak having a peak top at 3735±10 cm−1 to height intensity of a peak having a peak top at 1860±10 cm−1 in an IR spectrum of 1.90 or less.
Dependencies are inferred from the claim text.