Subterranean alternating digester system and method
US8662791B2 · kind B2 · utility
3Cited by
7References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 6, 2011 |
| Grant date | Mar 4, 2014 |
| Priority date | — |
| Expiry date | Nov 10, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49826
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An alternating anaerobic and aerobic digestion system and method of forming same includes a subterranean enclosure configured to hold organic matter. The enclosure has a plurality of conduits in a bottom surface of the enclosure. The digestion system further includes an irrigation system configured to dispense a liquid from a top portion of the enclosure and to recover a percolated liquid from a bottom portion of the enclosure, a ventilation system configured to provide air flow to the bottom portion of the enclosure, and a gas-tight membrane cover configured to cover the enclosure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.