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Ox01: Single Column

Schematics

Advantages

  • Simplicity
  • Needs less components
  • Can be operated manually

Video of latest prototype

Parameters and performance

  • 290 g of Zeolite LiX in Reverse Osmosis Membrane housing
  • Feed: 4.4 bar compressed dry air
  • Production: 1.5 l/min with 90% oxygen

Additional information

This is work in progress. Please contribute in the comments. All valuable inputs will help us define the best solution.


8 Comments

  1. Hello thank you for sharing this project…please share a better overview of setup so it can be duplicated, could not figure out where the second 3 way valve is here?? On the BOM it mentions 2x 3 way valve the link however is to a different part… please provide exact festo part number or link… only seem to be one 3 way valve here also how to connect the first 3 way valve is confusing with all the tubing and where is exhaust line ??

  2. I attempted to emulate your set-up, but was only able to acheive 30% output even at a lower flowrate. The differences were in the size and set-up of my Zeolite chamber, which was inside a soda bottle with the inlet tube being fed to the bottom. I also wasn’t able to pressurize/depressurize my container at the speed you did, I assume due to my different valve types.

    Regarding the valves, do you have a no-return valve between the zeolite chamber and the storage tank? It seems you have a flow rate valve there?

    Many thanks, Aaron

    • Hi Aaron,

      thanks for sharing your experience. We have made a similar setup with the coke bottle, it’s a cool idea! What is your input pressure from the compressor?

      We usually have a needle valve between the zeolite column and the storage tank to allow for proper pressurizing. Using one could help you with your problem of properly pressurizing. Let us know!

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