Method for production of a compressed natural gas equivalent from landfill gas and other biogases
US8999036B2 · kind B2 · utility
14Cited by
15References
5Claims
0Family size
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Inventor
Key dates
| Filing date | Sep 26, 2012 |
| Grant date | Apr 7, 2015 |
| Priority date | — |
| Expiry date | Oct 13, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S95/901
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Biogas is converted to a vehicle fuel equivalent to compressed natural gas high in methane in a simple, low cost process involving steps of refrigeration, non-regenerative activated carbon purification and carbon dioxide removal using low-pressure membrane technology.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.