Anaerobic filter
US4352738A · kind A · utility
8Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 10, 1980 |
| Grant date | Oct 5, 1982 |
| Priority date | — |
| Expiry date | Nov 10, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E50/30
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
In the operation of a recycling anaerobic filter for treating aqueous waste streams, the rate of production of methane is measured continually at frequent intervals and the COD feed rate is varied to maintain a predetermined, timed, relationship between that varied feed rate and the measured methane production rate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.