MFI zeolite having uniform mesopores and method for producing same
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United States of America Patent
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Oct 17, 2017
Issued Date -
Jan 8, 2015
app pub date -
Mar 25, 2013
filing date -
Mar 26, 2012
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Abstract
A novel MFI zeolite that when used as a catalyst, can be used for a selective catalytic reaction for larger molecules and provides a method for producing the MFI zeolite. The MFI zeolite includes uniform mesopores having a pore distribution curve which a peak-width thereof at half height (hw) is at most 20 nm (hw≦20 nm) and a center value (μ) of a maximum peak is 10 nm or more and 20 nm or less (10 nm≦μ≦20 nm), and having a pore volume (pv) of the uniform mesopores of at least 0.05 mL/g (0.05 mL/g≦pv); the MFI zeolite has no peak in a range of 0.1° to 3° in powder X-ray diffraction measurement with a diffraction angle represented by 2θ; and the MFI zeolite has an average particle diameter (PD) of at most 100 nm (PD≦100 nm).
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