| 摘要 |
<p>PURPOSE:To regenerate a molybdenum-vanadium oxidation catalyst deteriorated in catalytic activity safely and efficiently. CONSTITUTION:A molybdenum-vanadium oxidation catalyst deteriorated in catalytic activity is thermally treated at 300 to 450 deg.C in a stream of a mixed gas containing at least, 3vol.% of molecular oxygen and at least, 0.1vol.% of steam.</p> |
