Pellets comprising sludge containing nitrifying bacteria for treating wastewater
US7842185B2 · kind B2 · utility
6Cited by
3References
3Claims
0Family size
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Key dates
| Filing date | Mar 20, 2007 |
| Grant date | Nov 30, 2010 |
| Priority date | — |
| Expiry date | Dec 14, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W10/10
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Entrapping immobilization pellets in which microorganisms are entrapped and immobilized, the entrapping immobilization pellets comprising entrapped and immobilized purified water sludge containing nitrifying bacteria.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.