Additive-amplified microwave pretreatment of wastewater sludge
US10590020B2 · kind B2 · utility
3Cited by
6References
20Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jan 18, 2019 |
| Grant date | Mar 17, 2020 |
| Priority date | — |
| Expiry date | Jan 18, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E50/30
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Wastewater sludge is treated by combining the sludge with a carbon-based dielectric additive that includes carbon to yield a modified sludge, irradiating the modified sludge with microwave radiation to yield a treated sludge, and providing the treated sludge to an anaerobic digester.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.