Patent · US Expired

Dehydration of gases with liquid desiccants

US5643421A · kind A · utility

13Cited by
22References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 24, 1995
Grant dateJul 1, 1997
Priority date
Expiry dateMar 24, 2015

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D53/263
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A gas drying method is disclosed in which gas streams are dehydrated to low dew points by contacting the wet gas with a dry liquid desiccant, with the liquid desiccant regenerated by heating it and stripping it with a stripping agent that is dried with solid desiccant.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.