Maximum olefins production utilizing multi-stage catalyst reaction and regeneration
US12084620B2 · kind B2 · utility
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Key dates
| Filing date | Mar 23, 2021 |
| Grant date | Sep 10, 2024 |
| Priority date | — |
| Expiry date | Mar 23, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G2400/22
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method and system for increasing olefin production and quality from a hydrocarbon feed comprising a fully integrated multi-stage catalyst regeneration zones with multi-stage reaction zones in series and/or parallel. The multi-stage regeneration with at least one partial and one full burn zone provides an independent control to achieve the lowest possible regenerated catalyst temperature, resulting in highest possible catalyst to oil ratio required to maximize olefins yields through increased catalytic cracking in a multi stage FCC riser/risers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.