发明名称 |
Production of maleic anhydride using molybdenum-modified vanadium-phosphorus oxide catalysts |
摘要 |
An active catalyst having a crystal structure corresponding to that of a catalyst that has been prepared and activated by the following process. A substantially pentavalent vanadium-containing compound is reacted with a pentavalent phosphorus-containing compound in an alcohol medium capable of reducing the vanadium to an oxidation state of less than +5. Molybdenum is incorporated into the product of the reaction, thereby forming a solid molybdenum-modified precursor composition. The alcohol is removed to produce a dried solid molybdenum-modified precursor composition. Shaped bodies comprising said dried solid molybdenum-modified precursor composition are formed. The dried formed molybdenum-modified catalyst precursor composition is activated to transform it into the active catalyst.
|
申请公布号 |
US5929256(A) |
申请公布日期 |
1999.07.27 |
申请号 |
US19970909638 |
申请日期 |
1997.08.12 |
申请人 |
HUNTSMAN PETROCHEMICAL CORPORATION |
发明人 |
FELTHOUSE, TIMOTHY R.;KEPPEL, ROBERT A.;SCHAEFER, CARL J. |
分类号 |
B01J19/00;B01J27/198;B01J27/199;C07C51/215;C07C51/42;(IPC1-7):C07D307/60 |
主分类号 |
B01J19/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|