Systems and methods for treating oilfield wastewater
US10364173B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 7, 2015 |
| Grant date | Jul 30, 2019 |
| Priority date | — |
| Expiry date | Sep 29, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2303/24
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A wastewater treatment system is disclosed that includes a desanding hydrocyclone, a deoiling hydrocyclone, an electrocoagulation apparatus that is adapted to receive a flow of treated wastewater from the desanding and deoiling hydrocyclones, a floc separator that is adapted to receive a flow of a first effluent from the electrocoagulation apparatus, and an ultrafiltration membrane apparatus that is adapted to receive at least a portion of a flow of a second effluent from the floc separator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.