Method for wastewater treatment by urine separation, seawater addition, and nitrification and in-sewer denitrification
US10093568B2 · kind B2 · utility
1Cited by
5References
12Claims
0Family size
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Key dates
| Filing date | May 28, 2012 |
| Grant date | Oct 9, 2018 |
| Priority date | — |
| Expiry date | Nov 10, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2307/08
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A method for wastewater treatment which comprises (a) separating and/or collecting urine from the wastewater for pretreatment, (b) removing phosphorus from urine using seawater, (c) optionally oxidizing nitrogen from urine, and (d) discharging the phosphorus-removed and/or nitrogen-oxidized urine to a sewer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.