studiot Posted August 29, 2020 Share Posted August 29, 2020 (edited) A novel application of standard membrane technology similar to that used in sealed system hot water tanks to stabilise the oxygen supply from a concentrator in places where the electricity supply is unreliable. This is of particular use in developing countries where many many pneumonia sufferers are at risk and often children. Pneumonia (often called 'the old man's friend') is apparently the biggest cause of death in under 5's in the world. https://www.bbc.co.uk/news/av/stories-53918830 Edited August 29, 2020 by studiot Link to comment Share on other sites More sharing options...
John Cuthber Posted August 29, 2020 Share Posted August 29, 2020 It's interesting that, as these are phased out, the same idea is being used to do a different job (on a smaller scale) https://en.wikipedia.org/wiki/Gas_holder Link to comment Share on other sites More sharing options...
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