Anaerobic filter
US4568464A · kind A · utility
6Cited by
7References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 16, 1984 |
| Grant date | Feb 4, 1986 |
| Priority date | — |
| Expiry date | Jan 16, 2004 |
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.