Patent · US Expired

Gas drying process using glycol solution solubility suppressants

US5922109A · kind A · utility

9Cited by
25References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 11, 1997
Grant dateJul 13, 1999
Priority date
Expiry dateMar 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.