Process and apparatus for recovering light hydrocarbons by sponge absorption
US10870068B2 · kind B2 · utility
0Cited by
10References
19Claims
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Key dates
| Filing date | Jun 4, 2018 |
| Grant date | Dec 22, 2020 |
| Priority date | — |
| Expiry date | Feb 27, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/151
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A gas stream comprising LPG and naphtha hydrocarbons is absorbed with a sponge absorbent to recover LPG and naphtha hydrocarbons. The gas stream may comprise stripper off gas and/or PSA tail gas. An absorbent stream may be a stripped stream. The stripper off gas stream and the stripped stream may be obtained from a stripper that is downstream of a hydroprocessing unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.