Method for producing molybdenum-bismuth-iron contaning composite oxide fluid bed catalyst
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United States of America Patent
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Issued Date -
Dec 9, 2004
app pub date -
Mar 29, 2004
filing date -
Apr 13, 2001
priority date (Note) -
Abandoned
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Abstract
One object of the present invention is to provide a method for producing a molybdenum-bismuth-iron containing, composite oxide fluid bed catalyst, which is useful for an ammoxidation and which produces a target ammoxidation product at high yield and an excellent reproducibility. In order to achieve this object, the present invention provides a method for producing a molybdenum-bismuth-iron containing composite oxide fluid bed catalyst which is used for ammoxidation of organic compounds, comprising the step in that a slurry, which contains the raw materials containing specific elements, is subjected to a concentration treatment at 50-120.degree. C.
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