Process for treating industrial wastewaters by activated sludge
US4698158A · kind A · utility
4Cited by
4References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 27, 1986 |
| Grant date | Oct 6, 1987 |
| Priority date | — |
| Expiry date | Aug 27, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W10/10
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A process for activated sludge treatment of industrial wastewaters which uses, in the aeration tank of an activated sludge treatment plant, at least one member of the group consisting of phytic acid, phytate salts and materials containing the same, as well as at least one other phosphorus-containing compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.