MY119391A - Method for preparing improved vanadium antimony oxide based oxidation and ammoxidation catalysts - Google Patents
Method for preparing improved vanadium antimony oxide based oxidation and ammoxidation catalystsInfo
- Publication number
- MY119391A MY119391A MYPI9703372A MY119391A MY 119391 A MY119391 A MY 119391A MY PI9703372 A MYPI9703372 A MY PI9703372A MY 119391 A MY119391 A MY 119391A
- Authority
- MY
- Malaysia
- Prior art keywords
- compound
- antimony oxide
- oxide based
- based oxidation
- catalyst
- Prior art date
Links
Abstract
A METHOD OF MAKING A CATALYST HAVING THE FOLLOWING EMPIRICAL FORMULA: VSBMAADDOX WHERE A = SN, TI OR MIXTURES THEREOF, D = AT LEAST ONE ELEMENT SELECTED FROM LI, MG, NA, CA, SR, BA, CO, FE, CR, GA, NI, ZN, GE, NB, MO, W, CU, TI, TA, SE, BI, CE, IN, AS, B, AL, AND MN, AND WHEREIN M = 0.5 TO 10 A = 0 TO 10 D = 0 TO 10 X = NUMBER OF OXYGEN ATOMS NECESSARY TO SATISFY THE VALENCY REQUIREMENTS OF THE OTHER ELEMENTS, COMPRISING REACTING A MONOPEROXOVANADIUM ION, VO(O2)+, WHILE IN AQUEOUS SOLUTION WITH A FIRST PORTION OF AN SB COMPOUND WHICH CONTAINS SB, HAVING A VALENCE OF 3+, THEREBY REDUCING THE AVERAGE VALENCE OF THE V TO LESS THAN 5+ AND OXIDIZING SB TO A VALENCE STATE OF 5+, REMOVING THE WATER FROM THE SOLUTION TO FORM A DRIED CATALYST PRECURSOR, AND CALCINING THE RESULTING DRIED PRECURSOR AT A TEMPERATURE IN THE RANGE OF 650° TO 950°C TO FORM THE CATALYST, WHEREIN THE MPROVEMENT COMPRISES ADDING AT LEAST A SECOND PORTION OF AN SB COMPOUND AFTER THE FIRST PORTION OF SB COMPOUND HAS BEEN ADDED AND HAS AT LEAST PARTIALLY REACTED WITH THE MONOPEROXOVANADIUM ION.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MYPI9703372 MY119391A (en) | 1997-07-24 | 1997-07-24 | Method for preparing improved vanadium antimony oxide based oxidation and ammoxidation catalysts |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MYPI9703372 MY119391A (en) | 1997-07-24 | 1997-07-24 | Method for preparing improved vanadium antimony oxide based oxidation and ammoxidation catalysts |
Publications (1)
Publication Number | Publication Date |
---|---|
MY119391A true MY119391A (en) | 2005-05-31 |
Family
ID=47264384
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MYPI9703372 MY119391A (en) | 1997-07-24 | 1997-07-24 | Method for preparing improved vanadium antimony oxide based oxidation and ammoxidation catalysts |
Country Status (1)
Country | Link |
---|---|
MY (1) | MY119391A (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5094989A (en) * | 1990-12-21 | 1992-03-10 | The Standard Oil Company | Process for activation of catalysts |
US5214016A (en) * | 1992-04-02 | 1993-05-25 | The Standard Oil Company | Method of making catalysts containing vanadium, antimony and tin |
US5498588A (en) * | 1994-09-09 | 1996-03-12 | The Standard Oil Company | Surface modification and promotion of vanadium antimony oxide catalysts |
-
1997
- 1997-07-24 MY MYPI9703372 patent/MY119391A/en unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5094989A (en) * | 1990-12-21 | 1992-03-10 | The Standard Oil Company | Process for activation of catalysts |
US5214016A (en) * | 1992-04-02 | 1993-05-25 | The Standard Oil Company | Method of making catalysts containing vanadium, antimony and tin |
US5498588A (en) * | 1994-09-09 | 1996-03-12 | The Standard Oil Company | Surface modification and promotion of vanadium antimony oxide catalysts |
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