Method for preparing Ga*O*-Al*O* catalyst for reduction of nitrogen oxide |
Title: |
Method for preparing Ga*O*-Al*O* catalyst for reduction of nitrogen oxide |
|
Application Number: |
02124141 |
Application Date: |
2002/07/12 |
Announcement Date: |
2004/01/14 |
Pub. Date: |
|
Publication Number: |
1467025 |
Announcement Number: |
1194814 |
Grant Date: |
2005-3-30 |
Granted Pub. Date: |
2005-3-30 |
ApplicationType: |
Invention |
State/Country: |
11[China|beijing] |
IPC: |
B01J 23/08, B01D 53/86, B01D 53/56 |
Applicant(s): |
Tsinghua University |
Inventor(s): |
Hao Jiming, Luo Yongming, Fu Lixin |
Key Words: |
preparing method, Ga*O*-Al*O* catalyst, reduction, nitrogen oxide |
Abstract: |
A process for preparing the Ga2O3-Al2O3 catalyst used in reduction of Nox includes such steps as preparing gallium nitrate from gallium oxide, preparing monohydrated bohmite by sol-gel method, mixing gallium nitrate with ethanediol, adding the mixture to monohydrated bohmite, vacuum distilling, drying and calcining. Its advantages are low cost, high specific surface area and activity, and high reducing rate as high as to 70-85%. |
Claim: |
|
Priority: |
|
PCT: |
|
LegalStatus: |
|