Sludge dehydration system and sludge dehydration method
US11401188B2 · kind B2 · utility
1Cited by
3References
19Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 12, 2018 |
| Grant date | Aug 2, 2022 |
| Priority date | — |
| Expiry date | Dec 12, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W10/10
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A sludge dehydration method includes a recovery process of recovering specific material as a dewatering aid from sludge generated in a sewage treatment process and a dewatering process of performing solid-liquid separation on sludge in which the dewatering aid recovered in the recovery process and dewatering target sludge are mixed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.