Hydrothermal conversion of FAU zeolite into RUT zeolite in TMAOH system
Microporous and Mesoporous Materials Volume 113 Issue 1-3
Page 56-63
published_at 2008-08
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| File | |
| Title ( eng ) |
Hydrothermal conversion of FAU zeolite into RUT zeolite in TMAOH system
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| Creator |
Jon Hery
Takahashi Shoutarou
Sasaki Hitoshi
Oumi Yasunori
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| Source Title |
Microporous and Mesoporous Materials
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| Volume | 113 |
| Issue | 1-3 |
| Start Page | 56 |
| End Page | 63 |
| Abstract |
The highly crystalline and pure RUT (RUB-10) zeolite could be obtained from the hydrothermal conversion of FAU zeolite used as a crystalline Si/Al source in tetramethylammonium hydroxide (TMAOH) media. As compared to amorphous silica/Al(OH)3 and amorphous silica/γ-Al2O3 sources, the crystallization rate for the formation of RUT zeolite was clearly faster when FAU zeolite was employed as the Si/Al source. Moreover, it was found that the hydrothermal conversion of FAU zeolite into RUT zeolite depended significantly upon the Si/Al ratio of the starting FAU zeolite. FAU zeolite could be hydrothermally converted into the highly crystalline and pure RUT zeolite under the following molar ratios: Si/Al = 17-28, TMAOH/SiO2 = 0.2 and H2O/SiO2 = 3-7.
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| Keywords |
FAU zeolite
RUT zeolite
Tetramethylammonium hydroxide
Hydrothermal conversion
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| NDC |
Chemistry [ 430 ]
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| Language |
eng
|
| Resource Type | journal article |
| Publisher |
Elsevier Science BV
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| Date of Issued | 2008-08 |
| Rights |
Copyright (c) 2007 Elsevier Inc.
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| Publish Type | Author’s Original |
| Access Rights | open access |
| Source Identifier |
[ISSN] 1387-1811
[DOI] 10.1016/j.micromeso.2007.11.003
[NCID] AA11160707
[DOI] http://dx.doi.org/10.1016/j.micromeso.2007.11.003
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