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 catalysts

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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
Application number
Inventor
James F Brazdil Jr
Joseph P Padolewski
Fernando A P Cavalcanti
Original Assignee
Standard Oil Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Standard Oil Co filed Critical Standard Oil Co
Priority to MYPI9703372 priority Critical patent/MY119391A/en
Publication of MY119391A publication Critical patent/MY119391A/en

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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.
MYPI9703372 1997-07-24 1997-07-24 Method for preparing improved vanadium antimony oxide based oxidation and ammoxidation catalysts MY119391A (en)

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)

* Cited by examiner, † Cited by third party
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
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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