Process for separation of propylene from a liquefied petroleum gas stream
US10472306B1 · kind B1 · utility
2Cited by
0References
13Claims
0Family size
Inventors
Key dates
| Filing date | Jun 29, 2018 |
| Grant date | Nov 12, 2019 |
| Priority date | — |
| Expiry date | Jun 29, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2325/36
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to a combined C3/C4 splitter with a membrane system. More specifically, the present invention relates to a combined C3/C4 splitter column to separate highly pure propylene product from a liquefied petroleum gas stream, which eliminates a C3 splitter having over 120 trays and the additional equipment that a C3 splitter requires.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.