Fluidized-bed reactor having multiple recycle gas inlet nozzles
US11400428B2 · kind B2 · utility
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13Claims
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Assignee
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Key dates
| Filing date | May 15, 2018 |
| Grant date | Aug 2, 2022 |
| Priority date | — |
| Expiry date | Feb 5, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2208/00938
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Fluidized-bed reactor for the gas-phase polymerization of olefins including a gas distribution grid installed in a lower part of the fluidized-bed reactor and a gas recycle line, which is equipped with a compressor and a heat exchanger and which is connected at the upper end with the top of the fluidized-bed reactor, wherein the gas recycle line splits at the lower end in at least two horizontal branches which are connected tangentially with the fluidized-bed reactor below the gas distribution grid and a process for preparing an olefin polymer carried out in the fluidized-bed reactor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.