Nano grade titanium silicon molecular sieve and its synthesis technology |
Title： |
| Nano grade titanium silicon molecular sieve and its synthesis technology |
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Application Number： |
01144586 |
Application Date： |
2001/12/21 |
Announcement Date： |
2003/07/02 |
Pub. Date： |
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Publication Number： |
1426962 |
Announcement Number： |
1207196 |
Grant Date： |
2005-6-22 |
Granted Pub. Date： |
2005-6-22 |
ApplicationType： |
Invention |
State/Country： |
11[China|beijing] |
IPC： |
C01B 37/06, B01J 29/89, B01J 20/18 |
Applicant(s)： |
Tsinghua Univ. |
Inventor(s)： |
Yu Bo, Chen Jing, Song Chongli |
Key Words： |
Nano grade, titanium silicon molecular sieve, synthesis technology |
Abstract： |
A nanometre-class TiSi molecular sieve for removing pollutants of heavy metals and radioactive substance from environment and purifying nuclein has a mole formular Na1+/-xTi1.5+/-ySi1+/-zO5, where x=0.01-0.2, y=0.1-0.5 and z=0.1-0.2. It is prepared from tetrabutyl titanate or tetraisopropyl titanate, ethyl n-silicate, sodium hydroxide and water jointly by the sol-gel method and the hydrothermal synthesis method. Its advantages are fine crystal grain, high reaction activity, low cost, high exchange capacity with radioactive elements and heavy metals, and high thermal stability and radioactive resistance. |
Claim： |
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Priority： |
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PCT： |
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LegalStatus： |
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