Process and apparatus for hydrocracking and hydroisomerizing a hydrocarbon stream
US10472581B2 · kind B2 · utility
0Cited by
9References
16Claims
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Key dates
| Filing date | Jun 13, 2017 |
| Grant date | Nov 12, 2019 |
| Priority date | — |
| Expiry date | Jun 13, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D3/14
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process and apparatus for quenching a hydrocracked stream to prepare it for hydroisomerization. A fractionated hydroisomerized stream is recycled to quench a hot hydrocracked stream prior to hydroisomerization. Sufficient quenching can inactivate the hydroisomerization catalyst bed. The hydroisomerization catalyst bed can be heated back to hydroisomerization temperature and can actively hydroisomerize again.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.