Gas drying process using glycol solution solubility suppressants
US5922109A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 11, 1997 |
| Grant date | Jul 13, 1999 |
| Priority date | — |
| Expiry date | Mar 11, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D53/263
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process is disclosed for removing aromatics, and volatile organic hydrocarbons from a gaseous fluid stream including passing the fluid stream in contact with a dehydrating composition comprising a glycol selected from triethylene glycol, ethylene glycol, diethylene glycol, or mixtures thereof and a hydrocarbon solubility depressant. The dehydrating composition may also contain a dissolved salt including at least one alkali metal carboxylate, an ammonium carboxylate, an alkali metal halide, an ammonium halide, or a mixtures thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.