| 摘要 |
<p>An aqueous antimony sol composition useful in restoring the activity of metal contaminated molecular sieve cracking catalysts which comprises a major portion of an aqueous antimony sol containing between 1-50% by weight of antimony oxide as Sb<Sub>2</Sub>0<Sub>5</Sub> and between .1-10% by weight of a compatible water-soluble surfactant which is capable of producing an oil-in-water emulsion and having an HLB of at least 8.0.</p> |
