Multi-stage membrane systems with polymeric and microporous zeolitic inorganic membranes for gas separations
US11033856B2 · kind B2 · utility
2Cited by
3References
12Claims
0Family size
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Key dates
| Filing date | Jun 14, 2018 |
| Grant date | Jun 15, 2021 |
| Priority date | — |
| Expiry date | Feb 19, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02C20/40
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A multistage membrane system and a process for treating a gas stream is provided in which the multistage membrane system comprises at least two membrane units wherein a first stage membrane unit comprises a polymeric membrane and a second membrane unit comprises a microporous zeolitic inorganic membrane or a combination of a microporous zeolitic inorganic membrane and a polymeric membrane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.