Patent · US Expired

Gas separation

US5985006A · kind A · utility

0Cited by
14References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 5, 1998
Grant dateNov 16, 1999
Priority date
Expiry dateFeb 5, 2018

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D2259/40007
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A vacuum swing adsorption apparatus for separating a gas mixture includes a pipeline along which the vacuum is able to be drawn. The apparatus is provided with a plurality of eductors each connected to the pipeline 6 and in parallel with the other eductor respective stop valves. The stop valves are arranged and operable so as to select the number of eductors in communication with the pipeline. Thus the degree of vacuum to which the apparatus is subjected may be varied.

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