Bathtub-type spent catalyst distributor for effective counter-current regeneration in fluid catalytic cracking units
US7951739B2 · kind B2 · utility
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6References
8Claims
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Key dates
| Filing date | Feb 18, 2010 |
| Grant date | May 31, 2011 |
| Priority date | — |
| Expiry date | Feb 18, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/85938
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An improved spent catalyst regenerator which contains sub-troughs branching off from the main trough, distribution troughs which extend outward from the sides of the main trough and the sub-troughs, and downflow tubes extending downward from the bottom of the main trough and sub-troughs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.