Wastewater purification device and utilizations
US10526222B2 · kind B2 · utility
0Cited by
3References
27Claims
0Family size
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Key dates
| Filing date | Apr 22, 2016 |
| Grant date | Jan 7, 2020 |
| Priority date | — |
| Expiry date | Apr 22, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W10/10
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
The invention relates to a solid filtering wastewater treatment device (100) comprising a first stage (101) with a freely drained fixed culture arranged directly above a second fixed water saturated culture stage (105), and a force aeration system (110) extending under the second stage. The invention also relates to a wastewater treatment method, as well as a process for sludge mineralization, implementing such a purification device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.