| 摘要 |
<p>1486477 Catalyst regeneration UOP INC 19 Dec 1974 [28 Dec 1973] 54858/74 Heading B1F In catalytic regeneration apparatus, internal recycle means, e.g. comprising vertically staggered hoppers 36, conduits 37 and dipleg 38 are used to return regenerated catalyst from upper bed 18 to regeneration bed 5, the regenerated catalyst passing as a dilute phase upwardly through chamber 2 where after burning of Co->CO 2 is substantially completed, the catalyst passing via cyclone 20 to bed 18. The amount of discharge through hoppers 36 can be varied by raising or lowering the level of the bed. Specification 1486478 is referred to.</p> |
