Process for recovering processing liquids from streams containing alkaline earth metal salts
US10213705B2 · kind B2 · utility
1Cited by
6References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 22, 2015 |
| Grant date | Feb 26, 2019 |
| Priority date | — |
| Expiry date | Feb 14, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2256/245
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process for recovering processing liquids from a feed stream which contains processing fluid, water, and at least one alkaline earth metal cation. The process includes reacting at least one alkaline earth metal cation with a suitable anion to form a substantially water-insoluble salt precipitate, the precipitate being formed in one of a fractionation column having a forced recycle loop or a flash vessel having a forced heated recycle loop.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.