Method for fractionating a stream of cracked gas, using an intermediate recirculation current, and related plant
US10458701B2 · kind B2 · utility
0Cited by
5References
21Claims
0Family size
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Key dates
| Filing date | Oct 23, 2014 |
| Grant date | Oct 29, 2019 |
| Priority date | — |
| Expiry date | Jun 6, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P30/40
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
This method comprises: The upstream, intermediate and downstream cooling steps is carried out without a heat exchanger respectively of an upstream stream of cracked gas (102), an intermediate stream of cracked gas (114) and a downstream stream of cracked gas (140) with an external refrigeration cycle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.