Acidic Sweep Gas

  • A dilute acidic gas is introduced to the oxygen sweep gas passed through the hollow fiber membranes of artificial lung devices

  • Dilute sulfur dioxide in oxygen sweep gas can further increase CO2 removal rates by creating an acidic microenvironment at the HFM surface facilitating dehydration of bicarbonate to CO2

  • Dilute acidic sweep gas can increase CO2 removal, and when used in combination with bioactive CA-HFMs has a synergistic effect to increase CO2 removal efficiency by 150%



This material was originally published on the website of the Medical Devices Laboratory