Global to push GA events into
skip to main content

Title: Process and apparatus for separation of components of a gas stream

A process and apparatus for separating a gas mixture comprising providing a slot in a gas separation channel (conceptualized as a laterally elongated Clusius-Dickel column), having a length through which a net cross-flow of the gas mixture may be established; applying a higher temperature to one side of the channel and a lower temperature on an opposite side of the channel thereby causing thermal-diffusion and buoyant-convection flow to occur in the slot; and establishing a net cross-flow of a gas mixture comprising at least one higher density gas component and at least one lower density gas component along the length of the slot, wherein the cross-flow causes, in combination with the convection flow, a spiraling flow in the slot; and wherein the spiral flow causes an increasing amount of separation of the higher density gas from the lower density gas along the length of the channel. The process may use one or more slots and/or channels.
; ; ; ;
Issue Date:
OSTI Identifier:
Sandia Corporation (Albuquerque, NM) SSO
Patent Number(s):
Application Number:
Contract Number:
Resource Relation:
Patent File Date: 2013 Aug 23
Research Org:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org:
Country of Publication:
United States

Works referenced in this record:

Enrichment of heavy water in rotated wired concentric-tube thermal diffusion columns
journal, December 2004

Carbon Dioxide Capture: Prospects for New Materials
journal, July 2010
  • D'Alessandro, Deanna M.; Smit, Berend; Long, Jeffrey R.
  • Angewandte Chemie International Edition, Vol. 49, Issue 35, p. 6058-6082
  • DOI: 10.1002/anie.201000431

The separation of common gases by thermal diffusion
journal, February 1956

The separation of multicomponent mixtures of common gases by thermal diffusion
journal, October 1956